Appendix A 

Guidance for Use of The 

Resource Management Plan 

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Coos Bay District ROD and RMP 

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Appendix A - Guidance for Use of the RMP 

Appendix A - Guidance for Use of the Resource 

Management Plan 

This section provides guidance on how the resource management plan will be implemented, evaluated, and 

changed by the district. 

Requirement for Further Environmental Analysis 

The BLM makes many types of decisions. It is important to distinguish between land use plan decisions and 

implementation decisions because: (1) the administrative remedies and the timing of those remedies differ; 

(2) the NEPA analysis necessary to support implementation decisions is generally more site specific than 

the analysis necessary to support land use plan decisions; (3) the authority to make these types of decisions 

varies; and (4) the scope and effect of each type of decisions would be considered during the compliance and 

consultation proceedings required under various environmental laws. 

• Land use plan decisions consist of desired outcomes (goals, standards, objectives), allowable uses 

(land use allocations, levels of use, restrictions on uses), and management direction necessary to 

achieve the outcomes. 

• Implementation decisions are actions to implement land use plans. These types of decisions are 

based on site-specific planning and NEPA analyses. Examples of implementation decisions include: 

offering a specific tract of timber for sale, applying a vegetation treatment, offering a specific oil 

or gas lease for sale, application for a permit to drill (APDs), selling an individual grazing lease or 

processing a specific permit application, designating specific roads and trails as open or closed to 

motorized travel, or completing a specific land exchange. 

This resource management plan only provides direction for the management of natural resources on BLMadministered lands. This plan does not authorize the implementation of any specific project-level actions. 

Decisions on which projects, including specific on-the-ground locations and timing of a project, will be 

made subsequent to the adoption of this Resource Management Plan. Decisions on specific projects will be 

made by BLM employees delegated to make those decisions after compliance with National Environmental 

Policy Act and required consultation has been completed. 

Plan Evaluation 

Evaluation is the process of reviewing the land use plan to determine whether plan decisions are being 

implemented as expected, and whether the associated NEPA analyses are still valid. Based on this 

evaluation, a determination is made as to whether a plan amendment or revision is warranted. Land use 

plans are evaluated to determine if: 

• Decisions remain relevant to current issues. 

• Decisions are effective in achieving (or making progress toward achieving) desired objectives. 

• Any decisions need to be revised. 

• Any decisions need to be dropped from further consideration. 

• Any areas require new decisions. 

The plan will be formally evaluated every 5 years, or as necessitated by changed circumstances or significant 

new information. These evaluations will focus on issues resulting from monitoring or new information. 

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Coos Bay District ROD and RMP 

The evaluation will also review major assumptions regarding the level of management activities used in the 

analysis of effects for the Final Environmental Impact Statement for the Revisions of the Western Oregon 

BLM Districts. Much of the data needed for evaluating these assumptions related to anticipated levels of 

activity will be collected through program reporting associated with the RMP monitoring plan. 

Unscheduled plan evaluations could be conducted to address certain unanticipated events or new 

information that calls into question the underlying analysis and decisions of the plan. These unscheduled 

plan evaluations may examine a single or relatively narrow aspect of the resource management plan. 

Plan Maintenance 

Land use plan decisions can be maintained to reflect minor changes in data. Maintenance is limited to 

further refining, documenting, or clarifying a previously approved decision. Plan maintenance will not 

expand the scope of resource uses or restrictions or change the terms, conditions, and decisions of the 

approved plan. Plan maintenance may be used to adjust the annual sustained yield capacity based on 

updated data. 

Plan Amendments 

New information, updated analyses, or new resource use or protection proposals may require amending or 

revising land use plans and updating implementation decisions. Re-examining existing plan decisions, or 

the analysis in the FEIS for the Revision of the Resource Management Plans for the Western Oregon BLM 

Districts, will be appropriate if new information or circumstance has come to light that could significantly 

alter the underlying conclusions of the FEIS regarding environmental consequences or the ability to achieve 

management objectives. 

Plan amendments change one or more of the terms, conditions, or decisions of an approved land use plan. 

Plan amendments are most often prompted by the need to: 

• Consider a proposal or action that does not conform to the plan. 

• Implement new or revised policy that changes land use plan decisions, such as an approved 

conservation agreement between the BLM and the USFWS. 

• Respond to new, intensified, or changed uses on public land. 

• Consider significant new information from resource assessments, plan evaluations, monitoring, or 

scientific studies. 

Plan amendments will follow BLM planning regulations and can be accompanied by either an 

environmental assessment or environmental impact statement. 

Plan Revisions 

Resource management plan revisions involve preparation of a new plan to replace an existing one. Resource 

management plan revisions will be necessary if monitoring and evaluation findings, new data, new or 

revised policy, or changes in circumstances indicate that decisions for an entire plan or a major portion of 

the plan would no longer serve as a useful guide for resource management. Plan revisions are accomplished 

through the BLM planning regulations and are accompanied by an environmental impact statement. 

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Appendix A - Guidance for Use of the RMP 

Valid Existing Rights 

Considering the intermingled nature of the O&C lands in the planning area, an immense number of rightsof-way, leases, corridors, and other established legal rights have been granted over the years in establishing 

an effective cooperative management framework among a variety of owners. Perhaps the most extensive and 

unique rights are the reciprocal rights-of-way agreements established with dozens of adjacent landowners 

to provide for the logical, effective, and efficient development of access on the intermingled lands. Mining 

claims, water rights, and county roads are other examples. When implementing resource management plans, 

it is recognized there are some instances when actions that may occur on public lands are subject to these 

valid existing rights. In those cases, authorization for implementing an action may be subject to approval by 

the holders of valid existing rights and may not be discretionary to the BLM. 

Management of Newly Acquired Lands 

Lands may come under BLM administration through exchange, donation, purchase, revocation of 

withdrawals to other federal agencies, or relinquishment of Recreation and Public Purpose leases. 

Discretionary acquisitions (such as exchanges) will be guided by the Lands Acquisition Criteria, based on 

resource values of high public interest. (Note: See Appendix F – Lands for the Acquisition Criteria.) 

Newly acquired or administered lands or interests in lands will be managed for their highest potential or 

for the purposes for which they are acquired. For example, lands acquired within the boundary of a “special 

management area” with Congressional or resource management plan allocations/direction will be managed 

in conformance with management objectives and guidelines for that area. Lands acquired outside of 

designated special management areas will be managed in the same manner as comparable or adjacent BLMadministered lands. In western Oregon, this implies forest management activities, including timber harvest, 

management of the mineral estate, standard operating procedures, and pre-committed mitigation measures. 

If lands with unique or fragile resource values are acquired outside of special management areas, it may be 

appropriate to protect those values until the next plan revision. Lands acquired adjacent to or within existing 

or proposed withdrawals identified in this plan that possess similar critical resource values will be proposed 

for withdrawal. Newly acquired lands, regardless of status, will be subject to non-discretionary access rights 

provided for under the terms and conditions of most reciprocal right-of-way agreements and permits. 

In accordance with Section 205 (e) of FLPMA (P.L. 99-632), lands acquired by the BLM in exchange for 

O&C or Coos Bay Wagon Road (CBWR) lands will have the same status and be administered in accordance 

with the same provisions of law applicable to those lands disposed of; and those newly acquired lands will 

be designated as O&C or CBWR lands, as appropriate, and managed under the sustained yield principles 

as prescribed in the Act of August 28, 1937 and other laws applicable to the O&C or CBWR lands. 

Additionally, lands acquired using proceeds generated from the disposal of O&C or CBWR lands under the 

authority of the Federal Land Transaction Facilitation Act (Public Law 106-248) will also take on the same 

status as the lands from which the funds were generated (O&C or CBWR) and will likewise be managed in 

accordance with the Act of August 28, 1937 and other applicable laws. 

Lands acquired by the BLM that take on the status of either O&C or CBWR will require classification in 

accordance with the Act of June 9, 1916 as to power-site, timberlands, or agricultural lands. Lands classified 

as timberland or agriculture will be open to exploration, location, entry and disposition under the general 

mining laws in accordance with the Act of April 8, 1948. Lands acquired by the BLM under Section 205 or 

206 of FLPMA take on the status of “acquired lands,” and therefore will not be available for location, lease, or 

sale until the land is formally opened to such entry. 

Land acquisitions resulting in net adjustments in the commercial forestland base may be made without 

adjusting the allowable sale quantity or amending the resource management plan, unless the cumulative 

effects of all changes indicate that the decadal allowable sale quantity for any sustained yield unit should be 

modified by more than 10 percent of the allowable sale quantity. 

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Coos Bay District ROD and RMP 

A – 6
 
Appendix B
 

Monitoring 

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Coos Bay District ROD and RMP 

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Appendix B - Monitoring 

Appendix B - Monitoring 

Monitoring Plan for the Coos Bay District Resource 


Management Plan
 

The monitoring plan for the Coos Bay District Resource Management Plan is carefully designed to 

avoid prohibitive costs and effectively answer monitoring questions and reporting levels of activities. It 

is not necessary or desirable to monitor every activity and management action or objective of a resource 

management plan. 

Monitoring for the resource management plan will examine if activities are in accordance with management 

direction (implementation monitoring), if management objectives are being met or are likely to be met 

(effectiveness monitoring), and if management objectives and management actions are based on correct 

assumptions (validation monitoring). Most monitoring will be designed to provide information as to 

whether activities are in accordance with management direction. 

Some management objectives and management directions in the Coos Bay District Resource Management 

Plan are not measurable or quantifiable, or do not have a standard or threshold of acceptability, and 

therefore will not lend themselves to being addressed through monitoring questions which are almost 

always dependent on a quantifiable basis of measurement. The level of activity for certain management 

directions that do not have standards or thresholds of acceptability will be monitored in the form of a 

program reporting item. 

In some cases, where monitoring indicates very high compliance with the plan, the frequency or interval of 

monitoring will subsequently be adjusted for cost and time efficiency. 

Sampling or evaluation of a subset of actions will be employed to avoid unnecessary detail and unacceptable 

costs. Projects to be monitored will be selected on the basis of those that will yield a greater amount of 

information or be more beneficial. For example, a random sample may result in monitoring of a relatively 

small straightforward project that will yield limited information, whereas a more sophisticated or complex 

project might be available for monitoring that will yield more information or be more effective. Sampling 

will be done at the level of the entire administrative unit to which the resource management applies (e.g., 

Coos Bay District). 

The monitoring questions will be evaluated at each monitoring interval to ascertain if the questions, 

reporting, methods, sample size, or intervals need to be changed. Such changes to the monitoring plan will 

be accomplished through plan maintenance. 

Monitoring results will be reported annually in a Monitoring Report and published as part of the 

Annual Program Summary. The Monitoring Report will report, track, and assess the progress of plan 

implementation; state the findings and conclusions made through monitoring; and serve as a report 

to managers and the public. Monitoring reports will also include any discussions and analysis of noncompliance and recommendations for corrective action. 

The use of this monitoring plan will provide a basis for consistent and coordinated monitoring, and allow 

district information to be compiled and considered at the scale of the entire western Oregon planning area. 

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Coos Bay District ROD and RMP 

Other Monitoring 

The monitoring plan for the Coos Bay District Resource Management Plan is designed to focus specifically 

on monitoring the resource management plan itself and is not intended as an overarching plan that 

addresses all ongoing monitoring and research efforts. This monitoring plan does not attempt to address 

science questions or issues of a regional or interagency scale. There are many ongoing regional, interagency, 

and research (science-based) efforts in which the BLM participates that address these broader issues. 

Although these other efforts in which the BLM participates often have important implications for BLMadministered lands and resources in western Oregon, they will be addressed externally from this monitoring 

plan. 

Plan Evaluations 

Plan evaluations will occur at 5-year intervals. In addition to the monitoring results, many of the underlying 

assumptions regarding levels of activities and anticipated environmental consequences will be examined 

at the time of the 5-year plan evaluation to determine if the plan objectives are being met or are likely to 

be met. The evaluation will also assess whether changed circumstances or new information have created 

a situation in which the expected impacts or environmental consequences of the plan are significantly 

different than those anticipated in the Final Environmental Impact Statement for the Revision of the 

Resource Management Plans of the Western Oregon Bureau of Land Management Districts (published 

in October 2008). The plan evaluation will make a finding of whether or not a plan amendment or plan 

revision is warranted. 

Adaptive Management 

Adaptive management is not a stand-alone program or process. Adaptive management for the Coos 

Bay District Resource Management Plan will be integrated into NEPA and land use planning processes. 

See Figure B-1 (Land use planning, monitoring, and adaptive management). Identified outcomes for the 

resource management plan are described in the plan’s management objectives. Resource management plan 

monitoring will determine if the objectives are being met or are likely to be met. 

In addition to monitoring results, new information or changed circumstances will be evaluated as to 

whether changes in resource management plan decisions or changes in supporting NEPA analyses are 

warranted. Adaptive management tools and procedures that will be used to make changes in the plan 

in response to monitoring information, new information, or changed circumstances include: plan 

maintenance, plan evaluations, plan amendments and plan revisions. In addition to these planning 

instruments, NEPA documentation may be necessary. The NEPA procedures relevant to adaptive 

management will include the use of categorical exclusions, determination of NEPA adequacy reviews, 

environmental assessments, and environmental impact statements. Unscheduled plan evaluations can be 

conducted to address certain unanticipated events or new information that could call into question the 

underlying analysis and decisions of the plan. 

In some instances, management direction provides for a range of activities or resource uses. In these cases, 

levels of activities or resource uses will vary within the range prescribed by the management action without 

the use of planning steps or NEPA analyses. The level of activities will be adapted within the range given by 

management action, depending on variation in resource needs or organizational capability. 

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Continue or 

Adapt* 

New 

i 

New 

Revise/Amend Plan 

Supplement Analysis 

Revise/Amend Plan 

Supplement Analysis 

Continue or 

Adapt* 

Revise/Amend Plan 

Define RMP Management 

Goals 

Develop RMP LUAs/Direction 

Develop assumptions 

Describe relationships 

Predict Environmental 

Consequences 

Make Decision (Select an 

alternative) 

Implement Actions 

Test Areas of Uncertainty 

(Effectiveness or 

Validation Monitoring) 

Monitor Actions 

(Implementation/Effectiveness) 

Figure B-1. Land Use Planning, Monitoring, And Adaptive Management 

*When monitoring shows the plan is being implemented as written, continue to implement. Where management 

direction specifically describes the conditions where adaptation is allowable without supplementing, revising, 

or amending the plan, then adapt the actions. Additionally, the monitoring plan should consider the areas of 

uncertainty and the sensitivity of assumptions and relationships. 

Appendix B - Monitoring 

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Coos Bay District ROD and RMP 

In addition to the constraints or latitude provided by management direction, the ability to adapt or change 

management without the use of planning steps or NEPA analyses will be restricted by how much of a 

departure would be from analytical assumptions in the environmental impact statement. This is because the 

conclusions regarding environmental consequences are derived from analytical assumptions. Analytical 

assumptions include such things as levels or methods of activities, number of acres treated, and miles of 

roads maintained. 

If, as a result of the need for adaptive management changes, implementation of the resource management 

plan would so alter the methods or levels of activities to the degree that the environmental consequences 

might be substantively different than those anticipated in the environmental impact statement, then formal 

planning steps and NEPA procedures will be required. The determination as to when formal planning steps 

and NEPA procedures will be required will be made through the plan evaluation process. Plan evaluations 

could include an overall resource management plan evaluation such as occurs at five-year intervals or 

a narrowly focused evaluation of a specific aspect of the resource management plan. Plan evaluations 

will be scheduled at 5-year intervals. Unscheduled plan evaluations can be conducted to address certain 

unanticipated events or new information, such as a very large wildfire. 

Adaptive management will also be applied by acting on information found through the monitoring 

questions. Adaptive management associated with monitoring will include corrective actions precipitated by 

findings of non-compliance. Corrective action precipitated by monitoring can range from simple changes in 

administrative procedures, refinements of the plan through plan maintenance, or more substantive changes 

through plan amendments. 

Monitoring Questions 

Monitoring of certain questions will not take place in the early years of implementation, because projects 

would not yet have been completed and, therefore, would not be ready for monitoring. Although incomplete 

projects may be informally examined by managers to assess progress towards implementing management 

actions and achieving objectives, the evaluation of incomplete projects will not be part of formal plan 

monitoring. Not all programs or resources have monitoring questions. 

Late-Successional Management Area 

M1. 	 Monitoring Question: Has the level of northern spotted owl suitable habitat for nesting, roosting, 

or foraging and marbled murrelet nesting habitat in the Late-Successional Management Areas 

(LSMAs) been maintained or increased? 

Monitoring Requirement: Report acres of management activities and natural disturbance that have 

reduced the level of habitat in the Late-Successional Management Areas. Report acres of thinning 

harvest and other silvicultural treatments designed to promote development of habitat in the LateSuccessional Management Areas. 

Monitoring Interval: Five years. 

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Appendix B - Monitoring 

M2. Monitoring Question: Are snags and coarse woody debris retained during thinning harvest in the 

Late-Successional Management Areas in accordance with the resource management plan? 

Monitoring Requirement: At least one completed thinning project in a Late-Successional 

Management Area. Projects must have been thinned at least five years prior to monitoring. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 100% 

compliance. 

M3. 	 Monitoring Question: Is timber salvaged after stand-replacing disturbance to recover economic 

value in the Late-Successional Management Areas? 

Monitoring Requirement: 100% of stand-replacing disturbances over 10 acres. 

Monitoring Interval: Annual. 

M4. 	 Monitoring Question: Are snags and coarse woody debris retained during salvage in LateSuccessional Management Areas in accordance with the resource management plan? 

Monitoring Requirement: 100% of natural disturbance events. The entire disturbed area will not 

necessarily need to be evaluated. A sample or subset of the disturbed area may be evaluated. 

Monitoring Interval: Annual. 

Riparian Management Area 

Water Quality: Surrogates for water quality will be evaluated (e.g., shade – Riparian Management Area 

width). In addition, water quality will be monitored through Water Quality Management Plans. Although 

monitoring through Water Quality Management Plans will apply to only those stream miles listed as 303(d) 

waters, these streams are the among the higher priority waters to be monitored. 

M5. 	 Monitoring Question: Is the width of the riparian management areas established adjacent to 

regeneration timber harvest areas in accordance with the resource management plan? 

Monitoring Requirement: All streams within at least one completed timber sale. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

M6. 	 Monitoring Question: When thinning treatments are applied in riparian management areas along 

perennial and intermittent fish-bearing streams, is a minimum of 50% canopy closure retained? 

Are thinning treatments excluded within 60 feet on either side of the edge of the stream channel as 

measured from the ordinary high water line? 

Monitoring Requirement: All streams treated within at least one completed thinning timber sale. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

M7. 	 Monitoring Question: Are thinning treatments excluded within 35 feet on either side of the edge 

of the stream channel as measured from the ordinary high water line of intermittent non-fish 

bearing streams? 

Monitoring Requirement: Up to 0.25 mile of stream within thinning projects completed within the 

past year will be evaluated. 

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Coos Bay District ROD and RMP 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

M8. 	 Monitoring Question: Were Best Management Practices that were identified as applicable 

(as indicated through NEPA decision record or contract stipulations) applied during project 

implementation? 

Monitoring Requirement: At least three projects with identified Best Management Practices will be 

evaluated. Projects from any land use allocation may be selected for evaluation. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 100% 

compliance. 

M9: 	 Monitoring Question: For streams with ESA-listed or anadromous fish species, is livestock 

restricted from riparian areas until 30 days following the emergence of salmonids from spawning 

beds? 

Monitoring Requirement: 100% of streams with ESA-listed or anadromous fish species within 

grazing allotments. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 100% 

compliance. 

Note: Monitoring questions M10 and M11 do not apply to the Coos Bay District. 

M10. 	 Monitoring Question: Has the amount of streams in proper functioning condition been 

maintained or increased? 

Monitoring Requirement and Monitoring Interval: Monitoring and reporting would be through 

the use of the statewide report, Table 1 from USDI TR-1737-9 1993 (or similar), of lotic and lentic 

water bodies in properly functioning; functioning at risk with trend up, down or not apparent; and 

not properly functioning. (Note: Table 1 is available online, with instructions, at http://www.blm. 

gov/nstc/library/techref.htm and is also provided below for reference purposes.) 

M11. 	 Monitoring Question: For streams with ESA-listed or anadromous fish species, are livestock 

restricted from riparian areas until 30 days following the emergence of salmonids from spawning 

beds? 

Monitoring Requirement: 100% of streams with ESA-listed or anadromous fish species within 

grazing allotments. 

Monitoring Interval: Annually for first three years of RMP implementation, and then every three 

years if results show 100% compliance. 

Eastside Forest Management Area 

Note: Monitoring question M12 does not apply to the Coos Bay District. 

M12. 	 Monitoring Question: Are snags and coarse woody debris retained in accordance with resource 

management plan requirements? 

Monitoring Requirement: At least one completed timber sale would be evaluated. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

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Appendix B - Monitoring 

Uneven-Age Management Area 

Note: Monitoring question M13 does not apply to the Coos Bay District. 

M13. 	 Monitoring Question: Is a relative density (Curtis) of 25 and 55 (for Eastside Forest Management 

Area a relative density of 15 to 55) inclusive of any group selections maintained during group 

selection, commercial thinning, or density management conducted for the removal and sale of 

timber and biomass? (The overstory component of the stand would be used to measure relative 

density.) 

Monitoring Requirement: One completed timber sale would be evaluated. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

Deferred Timber Management Area 

M14. 	 Monitoring Question: Has the level of older, more structurally complex, multi-layered conifer 

forests been maintained until the year 2023? 

Monitoring Requirement: Report acres of management activities and natural disturbance that has 

reduced the acres of Deferred Timber Managment Area. 

Monitoring Interval: Every five years. 

Timber Management Area and Uneven-Age Management Area 

M15. 	 Monitoring Question: Has the allowable sale quantity been offered for sale within the variation 

provided for in the plan? 

Monitoring Requirement: Report annual sale quantity offered for sale and the cumulative total 

since approval of the plan. 

Monitoring Interval: Annual. 

Timber Management Area 

M16. 	 Monitoring Question: Has timber volume from regeneration harvest and commercial thinning been 

offered for sale in the quantities specified in the resource management plan? 

Monitoring Requirement: Report volume of regeneration harvest and volume of commercial 

thinning offered for sale. 

Monitoring Interval: Annual. 

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Coos Bay District ROD and RMP 

Air 

M17. Monitoring Question: Have smoke intrusions occurred in areas designated as Class I for air 

quality and non-attainment occurred as a result of BLM prescribed fire? 

Monitoring Requirement: Report intrusions through Oregon Department of Forestry data. 

Monitoring interval: Annual. 

Areas of Critical Environmental Concern and Research Natural Areas 

M18. Monitoring Question: Are important and relevant values being maintained or restored? 

Monitoring Requirement: Report 20% of the Areas of Critical Environmental Concern and 

Research Natural Areas. 

Monitoring Interval: The monitoring of Areas of Critical Environmental Concern and Research 

Natural Areas will be rotated, providing for 100% of the areas to be monitored over a 5-year period. 

Botany 

M19. 	 Monitoring Question: Is management of species that are listed under the Endangered Species Act 

consistent with recovery plans and designated critical habitat? 

Monitoring Requirement: All completed projects that “may affect” listed species will be reviewed 

after completion. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

M20. 	 Monitoring Question: Have protection measures maintained populations of BLM special status 

plant and fungi species? 

Monitoring Requirement: 20% of completed projects in which protection measures were 

implemented to accommodate BLM special status plant and fungi species will be reviewed. If less 

than five projects are completed, monoitor at least one completed project. 

Monitoring Interval: Annual. 

Cultural and Paleontological Resources Including American 

Indian Traditional Uses 

M21. 	 Monitoring Question: Were sites located within project areas after the commencement of grounddisturbing activities? 

Monitoring Requirement: At least 20% of management activities that involve ground disturbance 

that have been completed within the past year will be evaluated. 

Monitoring Interval: Annual. 

B – 10
 
Appendix B - Monitoring 

M22. Monitoring Question: Have ground-disturbing actions avoided sites that are listed (or eligible for 

listing) on the National Register of Historic Places? 

Monitoring Requirement: 100 percent of avoided listed or eligible sites that lie within the 

boundaries of a ground-disturbing project after the project is completed. 

Monitoring Interval: Annually when listed or eligible sites are present and avoidance prescribed. 

M23. 	 Monitoring Question: Are sites with scientific value salvaged prior to disturbance (when 

disturbance cannot be practically avoided) through practices such as data recovery, including 

excavation, relocation, or documentation? 

Monitoring Requirement: 100 percent of data recovery actions undertaken to salvage site data at 

risk of loss from ground disturbing management activities that have been completed within the 

past year. 

Monitoring Interval: Annual. 

M24: 	 Monitoring Question: Are cultural and paleontological resources that are threatened by natural 

processes or human activity excavated and the data recovered where warranted by the scientific 

importance of the site? 

Monitoring Requirement: 100 percent of management activities that have been completed within 

the past year. 

Monitoring Interval: Annual. 

Energy and Minerals 

M25. 	 Monitoring Question: Has the level of opportunities for the exploration and development of 

locatable, leasable, and salable energy and mineral resources, and for casual mineral prospecting, 

been maintained? 

Monitoring Requirement: Report new withdrawals. 

Monitoring Interval: Five years. 

Fire and Fuels Management 

M26. 	 Monitoring Question: What is the net change in fire hazard to communities at risk, and risk of 

uncharacteristic wildfires as indicated by changes in fire regime condition class caused by fuel 

treatments and timber harvest? 

Monitoring Requirement: Report total acres and wildland urban interface acres of positive and 

negative change in fire regime condition class resulting from fuel treatments and timber harvest. 

Monitoring Interval: Biennially for the Coos Bay District. 

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Coos Bay District ROD and RMP 

Grazing 

Note: Monitoring questions M27 and M28 do not apply to the Coos Bay District. 

M27. Monitoring Question: Has the condition of public rangelands been maintained or improved 

compared to the baseline year of 2008? 

Monitoring Requirement and Monitoring Interval: Grazing allotments are assigned to one of three 

management categories: (I) Improve (M) Maintain, and (C) Custodial. In “I” category allotments, 

examine trend plots every five years, determine condition every 10 years, and record utilization 

data every other year. In “M” allotments, determine trend and condition every 5-10 years, and 

utilization every 5 years. Monitoring in “C” allotments is limited to periodic inventories and 

observations to measure long-term resource condition changes. 

M28. Monitoring Question: Are areas disturbed by natural and human-induced events (including 

wildland ,fi re prescribed burns, timber-management treatments, and juniper cuts) rested from 

livestock grazing and resumed after soil and vegetation has recovered sufficient to support livestock 

grazing (except where grazing would either not impede site recovery, or where grazing could be 

used as a tool to aid in achieving recovery objectives)? 

Monitoring Requirement: Ten percent of disturbance events. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

Hazardous Materials 

M29. Monitoring Question: Has the response to hazardous material incidents included cleanup, proper 

notifications, criminal investigations, and site assessments as applicable? 

Monitoring Requirement: 100 percent of hazardous material incidents. 

Monitoring Interval: Annual. 

M30. Monitoring Question: Are hazardous materials stored, treated, and disposed of in accordance with 

applicable laws and regulations? 

Monitoring Requirement: 100 percent of district-stored, treated and disposed hazardous materials. 

Monitoring Interval: Annual. 

Lands, Realty, Access, and Transportation 

M31. 	 Monitoring Question: Have the acres of O&C lands of all classifications and the acres of O&C and 

public domain lands that are available for harvesting been reduced through disposal, exchange, or 

purchase? 

Monitoring Requirement: Review of all O&C lands records through the Oregon State Office. Total 

net change in land tenure of O&C lands in the planning area will be evaluated at 10-year intervals 

keyed from 1998, the date of the legislation that provides for no net loss of O&C lands. 

Monitoring Interval: Three years. 

B – 12
 
Appendix B - Monitoring 

Recreation 

M32. Monitoring Question: Are special recreation management areas managed in accordance with 

their planning frameworks? 

Monitoring Requirement: Report on 20% of the special recreation management areas. 

Monitoring Interval: Annual. The monitoring of special recreation management areas will be 

rotated so that over a five-year period 100% of the areas will be monitored. 

Visual Resource Management 

M33. 	 Monitoring Question: Is the level of change in character for the areas designated to be managed as 

VRM I, II, and III consistent with resource management plan requirements? 

Monitoring Requirements: Twenty percent of activities that have the potential to affect the existing 

character in VRM I, II, and III. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

Wild Horses 

Note: Monitoring questions M34-M36 do not apply to the Coos Bay District. 

M34. 	 Monitoring Question: Is the population of wild horses maintained at the appropriate management 

level of 30 to 50 head? 

Monitoring Requirement: Population survey or census. 

Monitoring Interval: Five years. 

M35. Monitoring Question: Are horses from other herd areas periodically introduced to the Pokegama 

herd to maintain the genetic diversity of the herd? 

Monitoring Requirement: Report all introductions. 

Monitoring Interval: Five years. 

M36. Monitoring Question: Are water developments maintained or established to provide season-long 

water for wild horses within the herd management area? 

Monitoring Requirement: 100 percent of water developments.
 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

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Coos Bay District ROD and RMP 

Wilderness Characteristics 

M37. Monitoring Question: Are wilderness characteristics maintained in accordance with resource 

management plan requirements? 

Monitoring Requirements: Report all management activities that would adversely affect wilderness 

characteristics to be maintained under the RMP, Wilderness Study Areas and Wilderness Areas. 

Monitoring Interval: Three years. 

Wild and Scenic Rivers 

M38. 	 Monitoring Question: Are the outstandingly remarkable values of designated wild and scenic river 

corridors (including those classified as wild, scenic, or recreational) being maintained? 

Monitoring Requirements: 100 percent of BLM-authorized activities that have the potential to 

affect the outstandingly remarkable values of wild and scenic rivers. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

Wildlife 

M39. 	 Monitoring Question: Is management of species that are listed under the Endangered Species Act 

consistent with recovery plans and designated critical habitat? 

Monitoring Requirement: At least five completed projects that “may affect” listed species will be 

evaluated. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

M40. 	 Monitoring Question: Has seasonal motor vehicle use been restricted for deer and elk in areas 

identified in the RMP? 

Monitoring Requirements: Review of district records. 

Monitoring Interval: Annual. Every three years if three consecutive years of monitoring show 

100% compliance. 

B – 14
 
Appendix B - Monitoring 

Program Reporting Items 

Program reporting items involve activities that are either related to: (1) certain analytical assumptions that 

are pertinent to non-specific management actions; or (2) analytical assumptions pertinent to the analysis of 

environmental consequences. Not all programs or resources have reporting items. 

Late-Successional Management Area 

R1.	 Program Reporting Item: Report the acres of thinning harvest applied to promote mature or 

structurally complex forests in the Late-Successional Management Areas. Reporting will be annual. 

Riparian Management Area 

R2. 	 Program Reporting Item: Report the number of fish-passage blockages that have been corrected 

and the number of resulting miles of stream habitat that are newly accessed. Reporting will be 

annual. 

R3. 	 Program Reporting Item: Report the acres of thinning and other silvicultural treatments to 

promote development of large trees. Reporting will be annual. 

R4. 	 Program Reporting Item: Report the miles of permanent road construction, road renovation, 

road improvement, and road decommissioning. Reporting will be annual. 

R5. 	 Program Reporting Item: Report the overall level of stream and riparian restoration activities 

(such as placement of large wood and boulders in streams, planting, thinning, etc.). Report the 

level of stream restoration activities in high intrinsic potential streams, or streams with high 

priority fish populations. Reporting will be annual. 

Note: Program Reporting Items R6-R8 do not apply to the Coos Bay District. 

R6. 	 Program Reporting Item: Report the number of fish-passage blockages that have been corrected 

and the number of resulting miles of stream habitat that are newly accessed. Reporting will be 

annual. 

R7. 	 Program Reporting Item: Report miles of road restoration and road decommissioning. Reporting 

will be annual. 

R8. 	 Program Reporting Item: Report the overall level of stream and riparian restoration activities 

such as placement of large wood and boulders in streams. Report the level of stream restoration 

activities in high intrinsic potential streams or streams with high priority fish populations. 

Reporting will be annual. 

Eastside Forest Management Area 

Note: Program Reporting Item R9 does not apply to the Coos Bay District. 

R9. 	 Program Reporting Item: Report the acres of group selection, commercial thinning, density 

management, and regeneration harvest. Reporting will be annual. 

B – 15
 
Coos Bay District ROD and RMP 

Uneven-Age Management Area 

Note: Program Reporting Item R10 does not apply to the Coos Bay District. 

R10.	 Program Reporting Item: Report the acres of group selection, commercial thinning, density 

management, and regeneration harvest. Reporting will be annual 

Timber Management Area 

R11. Program Reporting Item: Report the acres of stand conversion from undesirable tree species or 

an inadequate stocking of commercially desirable tree species. Reporting will be annual. 

R12. Program Reporting Item: Report the acres of precommercial thinning, fertilization and pruning. 

Reporting will be annual. 

R13. Program Reporting Item: Report the acres of regeneration harvest and commercial thinning 

offered for sale. Reporting will be annual. 

R14. Program Reporting Item: Report the volume of non-ASQ timber offered for sale. Reporting will 

be annual. 

Botany 

R15. Program Reporting Item: Report the acres of activities designed to maintain or restore natural 

plant communities on non-forest and non-commercial lands. Reporting will be annual. 

Invasive Plants 

R16. 	 Program Reporting Item: Report the acres of manual, mechanical, cultural, chemical, and 

biological treatments used to manage invasive plant infestations. Reporting will be annual. 

Energy and Minerals 

R17. 	 Program Reporting Item: Report number of biomass utilization projects. Reporting will be 

annual. 

Fire and Fuels Management 

R18. 	 Program Reporting Item: Report number of acres of hazardous fuels treatments. 

B – 16
 
Appendix B - Monitoring 

Grazing 

Note: Program Reporting Items R19-R21 do not apply to the Coos Bay District. 

R19. 	 Program Reporting Item: Report the findings of grazing allotments towards meeting the 

Standards for Rangeland Health and Guidelines for Livestock Grazing Management for Public Lands 

Administered by the Bureau of Land Management in the States of Oregon and Washington. Reporting 

will be annual. 

R20. 	 Program Reporting Item: Report the acres of prescribed livestock grazing used to control invasive 

plants, reduce fi re danger, or accomplish other management objective. Reporting will be annual. 

R21.	 Program Reporting Item: Report the acres or number of range improvements. Reporting will be annual. 

Socioeconomic 

R22. 	 Program Reporting Item: Report the payments to counties associated with BLM-administered 

lands including O&C, Coos Bay Wagon Roads, and Public Domain lands. Reporting will be annual. 

R23. 	 Program Reporting Item: Report receipts from timber sales, special forest products, recreation 

and permits. Reporting will be annual. 

R24. 	 Program Reporting Item: Report appropriations; number of full time and temporary employees; 

and major new facility developments or improvements. Reporting will be annual. 

Recreation 

R25.	 Program Reporting Item: Report the number of service-oriented and outreach programs, 

including interpretation and education provided to visitors. 

R26. 	 Program Reporting Item: Report the status of development of comprehensive travel management 

plans for off-highway vehicle areas and off-highway vehicle emphasis areas. 

Research 

R27. 	 Program Reporting Item: Provide a narrative update on status, goals, and findings of research 

projects in support of the management of lands and resources administered by the BLM. 

Special Forest Products 

R28. 	 Program Reporting Item: Report the number of permits for harvest and collection of special 

forest products. Reporting will be annual. 

B – 17
 
Coos Bay District ROD and RMP 

Soils 

R29. Program Reporting Item: Report the number of projects and acres in which there was greater 

than 15 percent of the acres treated that had detrimental soil disturbance resulting from groundbased timber harvest. Reporting will be based on evaluation of at least 20% of the total ground 

based timber harvest acres. Reporting will be annual. Fifteen percent detrimental soil disturbance 

is not a plan decision (management direction), but rather an approximate level used as analytical 

assumption in the Final Environmental Impact Statement for the Revisions of the Resource 

Management Plans of the Western Oregon Bureau of Land Management Districts (published 

October 2008). Detrimental soil disturbance in this context means areas in which the top soil has 

been removed, the subsoil structure severely altered and the slash deeply incorporated into the soil 

and which have not been or will not be ameliorated. 

Wildlife 

R30. 	 Program Reporting Item: Report number of deer and elk forage planting projects. Reporting will 

be annual. 

R31. 	 Program Reporting Item (pertinent to Klamath Falls Resource Area): Report acres of thinning 

or removal of encroaching western juniper to maintain and improve forage for big game. Reporting 

will be annual. 

B – 18
 
Appendix C
 

Best Management 

Practices 

C – 1
 
Coos Bay District ROD and RMP 

C – 2
 
Appendix C - Best Management Practices 

Best Management Practices 

Introduction 

A Best Management Practice or BMP is a practice, or combination of practices that have been determined to 

be the most effective and practicable in preventing or reducing the amount of pollution generated by diffuse 

sources to a level compatible with water quality goals (40 CFR 130.2 [m]). 

Best Management Practices are a type of water pollution control. This section defines the best management 

practices (i.e., methods and measures) that were developed for the lands within the western Oregon 

planning area to comply with the requirements of the Clean Water Act. 

Purpose 

Best management practices (BMPs) are required by the federal Clean Water Act, as amended to reduce 

nonpoint source pollution to the maximum extent practicable. Nonpoint source pollution is pollutants 

detected in a concentrated water source such as a stream, or lake that come from a wide range of forest 

and range activities. The BMPs are considered the primary controls for achieving Oregon’s water quality 

standards. Oregon’s narrative criteria, which include numeric standards, are designed to protect designated 

beneficial uses (such as salmonid spawning and rearing, resident fi sh and aquatic life, domestic water 

supplies, and water-contact recreation). 

The BMPs are methods, measures, or practices selected on the basis of site-specific conditions to ensure 

that water quality will be maintained at its highest practicable level. The BMPs include, but are not limited 

to, avoidance, structural and nonstructural treatments, operations, and maintenance procedures. Although 

normally preventative, BMPs can be applied before, during, and after pollution-producing activities to 

reduce or eliminate the introduction of pollutants into receiving waters (40 CFR 130.2, EPA Water Quality 

Standards Regulation). 

Organization and Use 

The BMPs in this appendix are organized by the following management activities: 

• roads and landings 

• timber harvest activities 

• silvicultural activities 

• fire and fuels management 

• surface source water for drinking water 

• recreation 

• grazing 

• minerals exploration and development 

• spill prevention and abatement 

• restoration 

The tables that follow this introduction identify the input variables, causal mechanisms, and water quality 

standards (referenced by the Oregon Administrative Rules number) that are associated with each BMP. 

C – 3
 
Coos Bay District ROD and RMP 

Those BMPs that are necessary for typical situations have been included. When applied, BMPs are expected 

to prevent water quality degradation and to meet water quality standards. 

Causal mechanisms help explain the outcomes or the process through which an outcome occurs. 

Resource aspects of land management activities normally have many facets that require site-specific BMP 

design. Therefore, there may be some repetition of the BMPs between sections of the following tables. An 

activity may use an individual BMP, whereas another activity may involve BMPs in combination from 

several sections for water quality protection. 

Management of locatable minerals is governed by regulations found in 43 CFR 3809. The BMPs for locatable 

minerals include language from 43 CFR 3809 that requires operators to prevent unnecessary and undue 

degradation from mining operations. 

Some BMPs that relate to instream activities may coincidently be similar to applicable practices specified in 

Army Corps of Engineers, Department of State Lands, and ODFW joint removal/fill permits, DEQ water 

quality permits and 401 certifications, or project design criteria contained in biological assessments. The 

BMPs in the following tables are not specific permit requirements, but rather demonstrate the process by 

which nonpoint source pollution from instream activities would be controlled. 

The BMPs are practices, techniques, or management strategies that have been evaluated through common 

practice or studies, and shown to be an effective and practical means of preventing or reducing nonpoint 

source pollution. The BMPs are not intended to serve as detailed engineering specifications or design 

criteria. Such specifications are available for field use from various sources. 

Application of Best Management Practices 

Selection of BMPs are made by decision-makers using input from soil, water, fisheries, geology and other 

professionals during project-level analyses. It is not intended that all of the BMPs listed will be selected for 

any specific management action. Each activity is unique, based on site-specific conditions, and the selection 

of an individual BMP or a combination of BMPs and measures becomes the BMP design. 

The BMPs must be applied in a manner that is consistent with all Resource Management Plan objectives. The 

overall goal is not to adhere strictly to a particular set of BMPs, but to meet water quality objectives when 

implementing management actions. Describing non-point pollution causal mechanisms allows resource 

professionals (specialists) to exercise discretion as to what will work best in a particular situation. An example 

is the need to respond to a wide range of geology, landform, soils, watershed characteristics and climate. 

Although this appendix does not provide an exhaustive list of BMPs, the included BMPs are believed to 

cover most project activity situations in the Plan area. Additional nonpoint source control measures may be 

identified during the interdisciplinary process when evaluating site-specific management actions. 

Where found to be ineffective, BMPs may require modification to meet water quality objectives. Specialists 

may consider baseline environmental conditions, type of activity, proximity to water, disturbance level, 

direct, indirect, and cumulative effects and timing. They may also evaluate new technology and relevant 

implementation or effectiveness monitoring data, published studies or other sources of information, in 

refining existing BMPs or recommending new BMPs. This process involves continued learning and applying 

monitoring feedback. 

Review and update of this appendix, including BMP corrections or additions that are derivatives of existing 

BMPs, would be completed through plan maintenance. 

C – 4
 
Appendix C - Best Management Practices 

Roads and Landings 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-1. Best Management Practices For Roads And Landings 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality Standards 

and Regulations 

R 1 

Locate roads and landings on stable 

locations that minimize sediment 

delivery potential to streams (e.g., 

ridge tops, stable benches or flats, 

and gentle-to-moderate side-slopes). 

To the extent workable, avoid unstable 

headwalls, and steep channel-adjacent 

side slopes. 

Coarse and Fine Sediment, and 

Organic Debris: 

Failures from roads built across 

unstable landforms that may slide 

into stream channels 

Coarse and Fine Sediment: Alters 

channel form, which warms stream 

temperatures due to either increased 

widening or deepening (incising) 

channels becoming disconnected 

from the flood plain hyporheic zone 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Temp 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036 

R 2 

Where practical to do so, plan 

routes to limit new road construction, 

including stream crossings, within 

Riparian Management Areas. 

Coarse and Fine Sediment: Surface 

erosion due to lack of adequate 

vegetative cover, or nearness to 

stream channels that may deliver. 

Temperature: 

Roads located adjacent to streams, 

causing opening in forest canopy that 

may reduce local stream shade. 

Temperature 

OAR 340-041-0028 

Turbidity

 OAR 340-041-0036 

R 3 

Considering topographic and safety 

constraints, locate roads so as to lower 

cutbank heights and cutbank slope 

angles, where ditchlines could deliver 

run-off directly to stream channels. 

Coarse and Fine Sediment: Erosion 

from exposed soils on cut banks 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 4 Locate roads and landings outside of 

jurisdictional wetlands. 

Coarse and Fine Sediment: Surface 

erosion or ravel, due to lack of 

adequate vegetative cover, or 

nearness to stream channels that may 

deliver 

Antidegradation 

OAR 340-04l-0004 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 5 

To the extent workable, locate 

new landings outside of Riparian 

Management Areas. 

Avoid expanding existing landings in 

Riparian Management Areas where 

sediment delivery to stream channels 

could occur. 

Coarse and Fine Sediment, and 

Temperature: Surface erosion or ravel, 

due to lack of adequate vegetative 

cover or nearness to stream channels 

that may deliver 

Temperature: Increase landing size 

or shape, causing opening in forest 

canopy that may reduce local stream 

shade 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036 

R 6 Locate landings in areas with low risk 

for landslides. 

Coarse and Fine Sediment, and 

Organic Debris: 

Failures from landings sited on 

unstable landforms that may slide into 

stream channels 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 7 

Locate excavated material disposal 

areas outside Riparian Management 

Areas, floodplains, and unstable 

areas that could transport sediment 

to waterbodies. 

Coarse and Fine Sediment: Surface 

erosion or ravel, due to lack of 

adequate vegetative cover, or 

nearness to stream channels that may 

deliver 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

C – 5
 
Coos Bay District ROD and RMP 

BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

General Construction 

Statewide Narrative Criteria Coarse and Fine Sediment: Surface Road Building Waste Materials Design roads no wider than needed for erosion from wet weather, due to lack R 8 OAR 340-041-0007 the specific use. of adequate vegetative cover that may Turbidity deliver to a stream channel. OAR 340-041-0036 

Limit road and landing construction, 

reconstruction, or renovation 

activities to the dry season, 

generally from May into October. Statewide Narrative Criteria Coarse and Fine Sediment: Surface When conditions permit operations Road Building Waste Materials erosion from wet weather, due to lack R 9 outside of the dry season, OAR 340-041-0007 of adequate vegetative cover that may keep erosion control measures Turbidity deliver to a stream channel. concurrent with ground disturbance OAR 340-041-0036 

to the extent that the affected area 

can be rapidly stormproofed if 

weather conditions deteriorate. 

End-haul excavated material 

to minimize side-casting of Coarse and Fine Sediment, and Statewide Narrative Criteria 

waste material if side slopes Organic Debris: Road Building Waste Materials 

R 10 generally exceed 60 percent, or Fill run-out or failures from roads OAR 340-041-0007 

where side-cast material may built across steep landforms that Turbidity 

enter waterbodies, wetlands, or may slide into stream channels OAR 340-041-0036 

floodplains. 

Coarse and Fine Sediment: Pioneer Statewide Narrative Criteria road construction earthwork, with Conduct pioneer road construction to Road Building Waste Materials some downslope movement or R 11 avoid the deposition of materials in OAR 340-041-0007 drifting of unconsolidated soil medium waterbodies, floodplains, or wetlands. Turbidity towards waterbodies, floodplains, or OAR 340-041-0036 wetlands. 

Coarse and Fine Sediment: Statewide Narrative Criteria Blasting with radial movement Road Building Waste Materials of unconsolidated soil medium R 12 Use controlled blasting techniques. OAR 340-041-0007 or rock fragments, towards Turbidity waterbodies, floodplains, or OAR 340-041-0036 wetlands. 

Use only soil and rock materials in 

permanent road fills. Build up fills by Coarse and Fine Sediment, and Statewide Narrative Criteria layering; (e.g. 6 inch lifts) compact Organic Debris: Road Building Waste Materials between 85 and 95 percent maximum Failures from roads with inadequate R 13 OAR 340-041-0007 density using compaction equipment. fill construction, or without proper Turbidity Provide for additional fill drainage (e.g. drainage, that may slide into stream OAR 340-041-0036 use geo-textile fabrics, etc.) channels 

in landslide prone areas. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 Where deemed necessary, use Coarse and Fine Sediment: Statewide Narrative temporary sediment containment New earthwork, lacking vegetative R 14 Criteria Sediment, Adverse structures to contain runoff from cover, that may erode and deliver to Deposits construction areas (e.g. silt fencing). waterbodies, floodplains, or wetlands OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

Coarse and Fine Sediment: Road Statewide Narrative Criteria tread erosion, increased by traffic, Surface roads if they would Road Building Waste Materials especially during wet weather on R 15 be subject to traffic during prolonged OAR 340-041-0007 susceptible soil types, causing wet weather. Turbidity rilling or rutting, and delivery to a OAR 340-041-0036 stream channel 

C – 6
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Complete construction activities Coarse and Fine Sediment: Statewide Narrative Criteria 

prior to fall rains. Prevent erosion Vegetative and organic Road Building Waste Materials 

R 16 in areas with direct connectivity to ground cover, decreasing soil OAR 340-041-0007 

streams by stabilizing exposed soil detachment, transport and Turbidity 

materials. delivery to stream channels OAR 340-041-0036 

Seed and mulch cut and fill 

slopes, ditchlines, and waste Coarse and Fine Sediment: Statewide Narrative Criteria disposal upon construction Vegetative and organic Road Building Waste Materials completion. Where straw mulch or R 17 ground cover, decreasing soil OAR 340-041-0007 rice straw mulch is used; require detachment, transport and Turbidity certified weed free, if readily delivery to stream channels OAR 340-041-0036 available. Mulch shall be applied 

at no less than 2000 lbs/acre 

Coarse and Fine Sediment: Culvert 

inlets becoming plugged with Statewide Narrative Criteria sediment or floatable organic debris, Road Building Waste Materials resulting in water ponding against the For new road construction, clear OAR 340-041-0007 road fill, and headcutting and loss channels and ditches of excess Statewide Narrative Criteria R 18 of the fill at the crossing or diversion sediment and debris above culvert Sediment, Adverse Deposits and/or gullying down the road inlets prior to fall rains. OAR 340-041-0007 ditchline and loss of Turbidity the road fill at another site, with OAR 340-041-0036 sediment delivery to waterbodies, 

floodplains, or wetlands 

Correct special drainage problems Coarse and Fine Sediment: Statewide Narrative Criteria 

(e.g., high water table, seeps) that Saturated fills or wet areas that Road Building Waste Materials 

R 19 effect stability of the road subgrade could fail or erode and deliver OAR 340-041-0007 

through the use of perforated drains, sediment to waterbodies, Turbidity 

geotextiles, or drainage bays. floodplains and wetlands OAR 340-041-0036 

Antidegradation 

Coarse and Fine Sediment: OAR 340-041-0004(1) 

Erosion from exposed soils on cut Biocriteria 

Conduct slope rounding on tops of and fill slopes. Road tread erosion, OAR 340-041-0011 

R 20 cut slopes in clayey soils to reduce increased by traffic, especially Statewide Narrative 

sloughing and surface ravel. during wet weather on susceptible OAR 340-041-0007 

soil types, causing rilling or rutting, (1)&(13) 

and delivery to a stream channel. Turbidity 

OAR 340-041-0036 

Antidegradation 

Coarse and Fine Sediment: OAR 340-041-0004(1) 

Where sediment would be Erosion from exposed soils on cut Biocriteria 

transported to streams, consider and fill slopes. Road tread erosion, OAR 340-041-0011 

R 21 windrowing slash at the base of increased by traffic, especially Statewide Narrative 

newly constructed fill slopes to during wet weather on susceptible OAR 340-041-0007 

catch sediment. soil types, causing rilling or rutting, (1)&(13) 

and delivery to a stream channel. Turbidity 

OAR 340-041-0036 

Surface Drainage 

Statewide Narrative Criteria 

Drain the road surface by using Coarse and Fine Sediment: Road Building Waste Materials 

crowning, insloping or outsloping. Concentrated water flows during OAR 340-041-0007 

Road surfaces, regardless of traffic storm events from compacted road Statewide Narrative Criteria R 22 volume, may use a combination of surfaces that may travel longer Sediment, Adverse Deposits

Appendix C - Best Management Practices 

these methods for effective road 

drainage into nonerodible areas. 

distances, entering ditchlines, and 

waterbodies. 

 OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

C – 7
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality Standards 

and Regulations 

R 23 

Low traffic roads should be 

outsloped, unless there is a traffic 

hazard from the road shape. 

Roads can be insloped for specific 

purposes, such as to drain unstable 

areas or where the underlying 

formation is very rocky and not 

erodible. 

Coarse and Fine Sediment: 

Concentrated water flows during 

storm events from compacted road 

surfaces that may travel longer 

distances, entering ditchlines, and 

waterbodies. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 24 

Out-slope low traffic volume roads 

to provide surface drainage on road 

gradients up to 8 percent, where an 

inside ditch is not planned. 

Coarse and Fine Sediment: 

Concentrated water flows during 

storm events from compacted road 

surfaces that may travel longer 

distances, entering ditchlines, and 

waterbodies. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 25 

Use rolling drainage dips and/or 

lead-off ditches as options in lieu of 

culverts for low traffic volume roads 

with less than 10 percent gradient. 

Coarse and Fine Sediment: 

Concentrated water flows during 

storm events from compacted road 

surfaces that may travel longer 

distances, entering ditchlines, and 

waterbodies. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 26 

Locate surface water drainage 

measures (water bars, rolling dips, etc.) 

where they will drain the road surface 

without delivering sediment to a stream 

or waterbody, and at frequencies that 

are sufficient to prevent damage or 

serious erosion of the road surface. 

Install during the dry season. 

Coarse and Fine Sediment: 

Concentrated water flows during 

storm events from compacted road 

surfaces that may travel longer 

distances, entering ditchlines, and 

waterbodies. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 27 

Outside road berms are discouraged. 

Where there is an outside berm 

that prevents water from exiting the 

roadway, it should be breached at 

intervals to prevent accumulation of 

water and delivery of sediment to 

streams and waterbodies. 

Coarse and Fine Sediment: 

Concentrated water flows during 

storm events from compacted road 

surfaces that may travel longer 

distances, entering ditchlines, and 

waterbodies. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 28 

Roll the grade in erodible and 

unstable soils to reduce surface 

water volume and velocities. 

Coarse and Fine Sediment: 

Concentrated water flows from 

compacted road surfaces that may 

travel longer distances, entering 

ditchlines, and waterbodies. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 29 

Divert road and landing runoff water 

away from headwalls, unstable areas 

or stream channels. 

Coarse and Fine Sediment: Water 

volume concentration resulting in 

headwall saturation with possible 

failures to waterbodies, floodplains 

and wetlands 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

C – 8
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Statewide Narrative Criteria 

Road Building Waste Materials Coarse and Fine Sediment: OAR 340-041-0007 Shape landings to spread surface Concentrated water flows from Statewide Narrative Criteria R 30 water runoff to well- vegetated, stable compacted landing surfaces Sediment, Adverse Deposits ground. that may travel longer distances, OAR 340-041-0007 entering waterbodies. Turbidity 

OAR 340-041-0036 

Antidegradation 

Coarse and Fine Sediment: OAR 340-041-0004(1) 

Concentrated water flow from Biocriteria 

Prevent diversion of water from streams causing ditch erosion, and OAR 340-041-0011 

R 31 streams into road ditches or upon sediment delivery to another stream Statewide Narrative 

road surfaces. channel. Dewatering of a stream OAR 340-041-0007 

channel with negative effects on (1)&(13) 

fishes and aquatic life. Turbidity 

OAR 340-041-0036 

For roads involving very erodible 

soils near streams: 

• Where possible, outsloping should Antidegradation be the preferred road drainage OAR 340-041-0004(1) treatment. Biocriteria • Construct lead-in ditch to Coarse and Fine Sediment: OAR 340-041-0011 catchbasins Concentrated water flow from roads R 32 Statewide Narrative • Require rock armoring of lead- and subsequent soil movement to OAR 340-041-0007 in ditch for through fills greater streams (1)&(13) than 6 feet in height Turbidity • Design catch basins in a manner OAR 340-041-0036 that would settle out transported 

sediments. Maintain these catch 

basins. 

Cross Drains 

Locate cross drains such that runoff Statewide Narrative Criteria 

and sediment is not discharged Road Building Waste Materials 

to a stream. Use measures such Coarse and Fine Sediment: Road OAR 340-041-0007 

as ditchline settling basins, culvert water and sediment draining directly Statewide Narrative Criteria R 33 

Appendix C - Best Management Practices 

endcaps and perforated flex pipes 

on the discharge end of stream relief 

culverts to disperse culvert discharge 

near streams and waterbodies. 

into waterbodies, causing water 

quality degradation. 

Sediment, Adverse Deposits

 OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 34 

Space cross drains at intervals 

sufficient to prevent water volume 

concentration and accelerated 

ditch erosion. Increase cross drain 

frequency through erodible soils, steep 

grades, and unstable areas. 

Coarse and Fine Sediment: Water 

volume concentration, resulting 

greater erosive energy, rilling and 

gullying road ditchlines and delivery 

to waterbodies, floodplains and 

wetlands 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 35 

Cross drainage culverts should be a 

minimum of 18 inches in diameter. 

If flex pipes are used, care should 

be taken during installation so as to 

avoid reducing pipe diameter. 

Coarse and Fine Sediment: 

Cross drain restricted size 

that can plug with sediments 

and debris, causing water 

flow volume concentration in 

ditchlines resulting in gullying 

with materials delivered to 

waterbodies, floodplains and 

wetlands 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

C – 9
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality Standards 

and Regulations 

R 36 

Construct cross drainage culverts 

or drainage dips at nearest and 

best available location upgrade 

of stream crossings to prevent 

ditchflow and sediment from 

entering the stream. 

Coarse and Fine Sediment: 

Concentrated ditch flow from 

storm events or snowmelt, 

causing erosion of the ditchline 

or carrying sediment sloughed 

from the cutbank, that if left 

unchecked may deliver to a 

stream channel. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 37 

Site cross drains to exit on convex 

slopes and avoid discharge onto 

erodible and/or unstable ground, 

(such as headwalls, slumps, or block 

failure zones), or directly into stream 

channels. Provide a buffer or sediment 

basin between the cross drain outlet 

and waterbodies, floodplains, or 

wetlands. 

Coarse and Fine Sediment: Water 

volume concentration, resulting in 

headwall saturation with possible 

failures to waterbodies, floodplains 

and wetlands. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 38 

Armor drainage dips to maintain 

functionality in areas of erosive soils 

that are subject to rapid erosion by 

runoff. 

Coarse and Fine Sediment: 

Concentrated water flows from 

compacted road surfaces that may 

erode and gully in susceptible soils, 

entering ditchlines, and waterbodies. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 39 

Install downspout structures and/ or 

energy dissipators (e.g., rock material) 

at cross drain outlets 

or drain dips where water is 

discharged onto loose material or 

erodible soils, fills, or steep slopes. 

Coarse and Fine Sediment: 

Concentrated ditch flow from 

storm events or snowmelt, 

causing erosion of the ditchline 

or carrying sediment sloughed 

from the cutbank that if left 

unchecked, may deliver to a 

stream channel. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 40 Extend culvert outlets or downspout 

structures onto undisturbed ground. 

Surface water from compacted 

surfaces saturating road fills with 

possible slumping or mass failure and 

delivery to waterbodies, floodplains 

and wetlands. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 41 

Cut protruding “cannon” culverts at the 

fill surface, install downspout and/or 

energy dissipators on erodible fills. 

Coarse and Fine Sediment: 

Surface water from compacted 

surfaces saturating road fills with 

possible slumping or mass failure and 

delivery to waterbodies, floodplains 

and wetlands. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 42 

Where erosion of road fill is 

occurring at cross-drain entrance, 

either add more cross-drains along 

ditchline to reduce flow, or angle 

cross-drains near 30 degree angle 

to the road. 

Coarse and Fine Sediment: Scour of 

road fills from too much water volume 

concentration, causing erosion and 

sediment delivery to waterbodies, 

floodplains and wetlands. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

C – 10
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Statewide Narrative Criteria 

Road Building Waste Materials Coarse and Fine Sediment: OAR 340-041-0007 Where debris or sediments may plug Culvert plugging causing road Statewide Narrative Criteria R 43 cross-drains, use slotted risers, over- fill failure and slug injections Sediment, Adverse Deposits sized culverts or build catch basins. of sediments to waterbodies, OAR 340-041-0007 floodplains and wetlands. Turbidity 

OAR 340-041-0036 

Stream Crossings (General) 

Biocriteria 

OAR 340-041-0011 

Appendix C - Best Management Practices 

R 44 

Install all crossings during the low 

flow period, generally from June 15 to 

September 15. 

Coarse and Fine Sediment: Turbidity 

and sediment movement downstream 

during periods of low turbidities with 

possible effects on aquatic life.

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

Permanent Stream Crossings 

R 45 

Size culverts, bridges, and other 

stream crossings for the 100-year 

flood event including allowance for bed 

load and small floatable debris without 

exceeding capacity or diversion. Match 

culvert width with bankfull channel 

width. 

Coarse and Fine Sediment, and 

Organic Debris: 

Floodwaters exceeding pipe 

capacity, causing overtopping of 

pipe and fills, with ensuing 

headcutting and loss of road fill. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 46 

To the extent workable, limit the 

number of new stream crossings, 

by evaluating practical upland 

alternatives. 

Coarse and Fine Sediment: Turbidity 

and sediment entry of road run-off to 

waterbodies, floodplains and wetlands. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 47 

Construct the stream crossing 

approach to minimize fill volumes and 

sediment delivery potential. 

Coarse and Fine Sediment: 

Earthwork near waterbodies, 

floodplains and wetlands causing 

sediment delivery. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 48 

Locate culvert placement on a well 

defined, unobstructed, and straight 

reach of stream. Where a bend in the 

channel cannot be avoided, or would 

have less impact than moving the road 

elsewhere, place the alignment of the 

culvert with the upstream channel and 

armor the discharge side of the culvert 

into an erodible bank. 

Coarse and Fine Sediment: 

Earthwork near waterbodies, 

floodplains and wetlands causing 

sediment delivery. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 49 

Where workable, install culverts in 

intermittent channels at the natural 

stream grade. 

Coarse and Fine Sediment: 

Floodwater piping or eroding 

unconsolidated road fill, causing 

failures with sediment delivery 

to waterbodies, floodplains and 

wetlands. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity

 OAR 340-041-0036 

C – 11
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and Causal Mechanisms 

Water Quality Standards 

and Regulations 

R 50 

When installing stream culverts, divert 

the stream around the work area with 

coffer dams, pumping etc. Maintain 

diversion until all instream work is 

completed. Pump seepage water that 

may escape the containment to an offstream filtration area. 

Coarse and Fine Sediment: 

Erosion at the instream construction 

site causing sediment movement 

downstream during periods of low 

turbidities with possible effects on 

aquatic life. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 51 

Use containment and filtering 

techniques such as bladder barriers, 

silt curtains etc if diversion is not 

possible. Place sediment controls along 

and immediately downstream of the 

instream work. 

Coarse and Fine Sediment: Sediment 

movement downstream during 

periods of low turbidities with possible 

effects on aquatic life. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 52 

To the extent workable, limit 

activities of mechanized equipment 

to streambank areas or temporary 

platforms when installing or removing 

structures. 

Coarse and Fine Sediment, Oil, 

and Toxins: 

Erosion at the instream 

construction site causing 

turbidity and sediment 

movement downstream. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 53 

Use stream crossing protection such 

as hardened crossing, fill armoring, 

grade dipping, etc. where high debris 

loads are expected (such as debris 

torrent channels) to allow overflow 

without loss of the fill or diversion of 

streamflow. 

Coarse and Fine Sediment,and 

Organic Debris: 

Debris flows plugging culverts 

or removing road fills with high 

delivery of sediments and materials 

to waterbodies, floodplains and 

wetlands. 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 54 

Provide adequate stream bank 

protection using bioengineering 

techniques (e.g., live plants or 

cuttings, dead plant material, rock 

or other inert structure where bank 

erosion would occur). 

Coarse and Fine Sediment: 

Stream scour of road fill, causing 

entrainment of sediment in flowing 

water and delivery to waterbodies, 

floodplains and wetlands. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 55 

Provide structural erosion control 

measures (e.g., riprap, wing walls, 

etc. on erosion-prone fills, inlets, and 

outlets). 

Coarse and Fine Sediment: Scour 

of streambed at culvert outlet, 

causing entrainment of sediment 

in flowing water and delivery to 

waterbodies, floodplains and 

wetlands. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

C – 12
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria Coarse and Fine Sediment: Where channels are not naturally Road Building Waste Materials Stream scour of road fill, causing armored, place energy dissipators OAR 340-041-0007 R 56 entrainment of sediment in flowing (e.g., large rock at the outlet of culverts Statewide Narrative Criteria water and delivery to waterbodies, on streams). Sediment, Adverse Deposits floodplains and wetlands. OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

Stabilize fill material over stream 

crossing structures immediately after 

construction has been completed, Statewide Narrative Criteria 

normally before October 15. Exposed Road Building Waste Materials 

soils would be seeded and mulched. Coarse and Fine Sediment: OAR 340-041-0007 

Temporarily suspend construction Surface erosion with sediment Statewide Narrative Criteria R 57 activity if rain saturates soils to the delivery to waterbodies, Sediment, Adverse Deposits 

extent that there is potential for floodplains and wetlands. OAR 340-041-0007 

movement of sediment from the road Turbidity 

to the stream. Soils must be covered OAR 340-041-0036 

or temporarily stabilized during work 

suspension. 

Coarse and Fine Sediment, and Biocriteria 

Organic Debris: OAR 340-041-0011 

Floodwaters exceeding pipe Statewide Narrative Criteria Incorporate additional design criteria capacity, causing overtopping Road Building Waste Materials (e.g., rock blankets, buttressing, relief of pipe, possible piping through OAR 340-041-0007 R 58 pipes higher in the fill, etc.) for deep fills with possible collapse Statewide Narrative Criteria fills to lesson the susceptibility of fill or overtopping, with ensuing Sediment, Adverse Deposits failures. headcutting, loss of road fill, OAR 340-041-0007 

and possible dam break flood Turbidity 

scouring downstream reaches. OAR 340-041-0036 

Biocriteria 

OAR 340-041-0011 

Coarse and fine Sediment, and Statewide Narrative Criteria Use beveled culvert inlets, wingwalls, Organic Debris: Mobile debris and Road Building Waste Materials over-sized culverts, trash racks or in materials plugging culverts with OAR 340-041-0007 R 59 some cases slotted risers to prevent overtopping and failure of the road Statewide Narrative Criteria culvert plugging and failure in areas of fill, and possible dam break flood, Sediment, Adverse Deposits active debris movement. scouring downstream reaches. OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria Install permanent stream crossing Coarse and Fine Sediment: Sediment Road Building Waste Materials structures before heavy equipment movement downstream during OAR 340-041-0007 R 60 moves beyond the crossing area. periods of low turbidities with possible Statewide Narrative Criteria Where this is not feasible, install effects on aquatic life. Sediment, Adverse Deposits temporary crossings. OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

Appendix C - Best Management Practices 

C – 13
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality Standards 

and Regulations 

Temporary Stream Crossings for Roads and Skid Trails 

R 61 

To the extent workable, limit the 

use of mechanized equipment to 

streambank areas or temporary 

platforms when installing or removing 

structures. 

Avoid driving of mechanized 

equipment in the stream channel 

except in the area that is necessary 

for installation and removal 

operations. 

Coarse and fine Sediment, Oil, and 

Toxins: 

Vehicles wheel tracks breaking down 

banks, to access stream channel 

bottoms, driving through stream 

water column, disturbing fish habitat, 

with possible release of oil, and 

asbestos from brake linings and 

similar toxins. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria Oil 

and Floating Solids 

OAR 340-041-0007 

Statewide Narrative Criteria 

Toxics 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 62 Limit the number of new temporary 

crossings on a stream. 

Coarse and Fine Sediment: Sediment 

movement downstream during 

periods of low turbidities with possible 

effects on aquatic life.

 Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 63 

Use washed river rock or crushed 

rock over geo-textile fabric, as backfill 

material over temporary culverts, 

except where excessive displacement 

would occur from vehicle travel. 

Coarse and Fine Sediment: Higher 

than anticipated streamflows, 

washing over or through temporary 

road crossing. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 64 

Use the least amount of fill possible 

to facilitate the temporary stream 

crossing structure if a non- fill 

structure is not possible. 

Coarse and Fine Sediment: Higher 

than anticipated streamflows, 

washing over or through temporary 

road crossing. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 65 

Limit the installation and removal 

of temporary crossing structures 

within the prescribed work 

period where possible. Follow 

practices under the Closure/ 

Decommissioning section for 

removing stream crossing drainage 

structures and reestablishing 

natural drainage configuration. 

Coarse and Fine Sediment: 

Fall or winter streamflows washing 

over temporary road and high stream 

energies washing a portion or all of the 

crossing downstream. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

Low-Water Ford Stream Crossings 

R 66 

Use structures that would withstand 

100-year flow events (e.g., concrete, 

well anchored concrete mats, etc). 

on permanent crossings. 

Coarse and Fine Sediment, and 

Toxins: 

High streamflow undermining or 

twisting structure, with possible 

channel shifts, and partial collapse or 

loss of structure. 

Statewide Narrative Criteria 

Toxics 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 67 

Harden approaches with non-erodible 

materials on permanent crossings. 

Provide relief drainage on approaches. 

Coarse and Fine Sediment, and 

Toxins: 

Loose road surfacing, washing into 

the stream during storms. 

Turbidity 

OAR 340-041-0036 

R 68 

Use washed rock or gravel in 

temporary crossings, where a non-fill 

structure is not possible. 

Coarse and Fine Sediment: Higher 

than anticipated streamflows, 

washing over or through temporary 

road crossing. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

C – 14
 
Appendix C - Best Management Practices 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality Standards 

and Regulations 

R 69 Restrict unauthorized access to 

low-water ford stream crossings. 

Coarse and Fine Sediment, Bacteria 

and Pathogens, Oil, and Toxins: 

Vehicular traffic, breaking down 

banks, disturbing stream substrate, 

causing turbidity and stream 

sedimentation. Driving through 

water column with possible 

contamination of waters with oils 

and toxics, bacteria and noxious 

weeds, washed from vehicle or 

tires. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria Oil 

and Floating Solids 

OAR 340-041-0007 

Statewide Narrative Criteria 

Toxics 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 70 Use ramped low water fords in debris 

flow susceptible streams. 

Coarse and Fine Sediment: 

Debris flows piling against road fills, 

plugging culverts and overtopping and 

loss of road prism, or dam break flood 

wave scouring downstream habitat. 

Turbidity 

OAR 340-041-0036 

Road Use and Dust Abatement 

R 71 

Apply durable rock surfacing to 

withstand expected loads and traffic 

volume, and season of use. 

Coarse and Fine Sediment: 

Road rock breaking down to 

fines, and washing from roads to 

ditchlines to stream channels. 

Turbidity 

OAR 340-041-0036 

R 72 

For winter hauling implement 

structural treatments such as: adjust 

frequency of cross-drain spacing, 

install sediment barriers or catch 

basins, apply gravel lifts or asphalt 

road surfacing at stream crossing 

approaches, and clean and armor 

ditchlines. 

Coarse and Fine Sediment: 

Road ditchlines gaining 

water volume concentration, 

transporting soil material to 

stream channels, or sediment 

sources near channels that can 

flow overland during storms 

by sheetwash or rill erosion, 

depositing soil material into 

stream channels. 

Turbidity 

OAR 340-041-0036 

R 73 

Suspend timber hauling during wet 

weather when road run-off delivers 

sediment at higher concentrations 

than existing conditions in the 

receiving stream. Hauling could 

resume when ditch flow subsides, 

or when conditions allow turbidity 

standards to be met. 

Coarse and Fine Sediment: 

Road erosion with potential 

transport to the channel and 

floodplain. 

Turbidity 

OAR 340-041-0036 

R 74 

Remove snow on haul roads 

in a manner that will protect 

roads and adjacent resources. 

Remove or place snow berms to 

prevent water concentration on 

the roadway or on erodible sideslopes or soils. 

Coarse and Fine Sediment: 

Road erosion with potential 

transport to the channel and 

floodplain. 

Turbidity 

OAR 340-041-0036 

R 75 

Wash equipment at sites with 

no potential for runoff into 

waterbodies, floodplains, or 

wetlands. 

Coarse and Fine Sediment: Soil 

erosion with potential transport 

to the channel and floodplain. 

Turbidity 

OAR 340-041-0036 

R 76 

Use water or approved surface 

stabilizers/dust palliatives to reduce 

surfacing material loss and buildup of 

fine sediment that may wash off into 

waterbodies, floodplains, or wetlands. 

Coarse and Fine Sediment: 

Road surfacing becoming 

detached and blowing or 

washing from roadways to 

ditchlines to stream channels. 

Turbidity 

OAR 340-041-0036 

C – 15
 
Coos Bay District ROD and RMP 

BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Maintenance 

Coarse and Fine Sediment: Removing 

Avoid routine machine cleaning vegetation or fill material from ditches Turbidity R 77 of ditches during the wet season, in the wet season would increase OAR 340-041-0036 generally, November through May. bare soils susceptible to erosion, with 

potential delivery to stream channels. 

Coarse and Fine Sediment: 

Avoid undercutting of cut-slopes Removing vegetation or 

when cleaning ditchlines. Seed and fill material from ditches or Turbidity R 78 mulch bare soils including cleaned undercutting backslopes would OAR 340-041-0036 ditchlines that are hydrologically increase bare soils susceptible 

connected to stream channels. to erosion, with potential 

delivery to stream channels. 

Coarse and Fine Sediment: Slide Remove slide material when it is material, being eroded by ditch Turbidity R 79 obstructing road surface and ditchline streamflow and routing to stream OAR 340-041-0036 drainage. channels, especially during storms. 

End-haul sloughed or excavated 

materials to a stable site outside Coarse and Fine Sediment: Riparian Management Areas with Statewide Narrative Criteria Wasting soil material on steep no potential to reach waterbodies, Road Building Waste Materials slopes, may trigger a debris R 80 wetlands and floodplains. Avoid OAR 340-041-0007 avalanche that could enter wasting loose ditch or surface material Turbidity a stream channel, delivering over the shoulder where OAR 340-041-0036 sediment and debris. it can cause stream sedimentation or 

weaken slump prone areas. 

Keep road inlet and outlet ditches, Coarse and Fine Sediment: 

catch basins, and culverts free of Plugged culverts by sediment and Turbidity R 81 obstructions, particularly before and debris, leading to loss of road fill OAR 340-041-0036 during winter precipitation and spring and movement of road sediment 

run-off. downstream. 

Coarse and Fine Sediment: 

Repair damaged inlets and Culverts plugged by sediment and Turbidity R 82 downspouts to maintain drainage debris, leading to loss of road fill OAR 340-041-0036 design capacity. and movement of road sediment 

downstream. 

Coarse and Fine Sediment: 

Avoid blading and shaping of road Loose aggregate and fines Turbidity R 83 surfaces during the wet season, susceptible to erosion, with OAR 340-041-0036 generally November through May. potential delivery to stream 

channels. 

Blade and shape roads to conserve 

existing aggregate surface material, 

retain the original crowned or out- Coarse and Fine Sediment: 

sloped self-draining cross section, Road erosion with potential Turbidity R 84 prevent or remove eroding berms transport to the channel and OAR 340-041-0036 

except those designed for slope floodplain. 

protection, and other irregularities that 

retard normal surface runoff. 

Coarse and Fine Sediment: 

Eliminate undesirable berms that Road erosion with potential Turbidity R 85 retard surface runoff. transport to the channel and OAR 340-041-0036 

floodplain. 

Retain low-growing, herbaceous Coarse and Fine Sediment: ground cover and brush on Increased vegetative cover cut-and-fill slopes. Where workable, Turbidity R 86 rapidly diminishes surface erosion retain ground cover in ditchlines, OAR 340-041-0036 potential, and delivery of sediment to except where sediment deposition or stream channels. obstructions require maintenance. 

C – 16
 
Appendix C - Best Management Practices 

BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Road Stormproofing 

Stormproof open or older roads 

with continued use, but infrequent 

maintenance. Stormproof new 

temporary roads, if over-winter. 

Stormproofing may involve: 

• Relieving inboard ditches more 

frequently. 

• Rocking road surfaces. 

• Seeding, mulching and re-vegetating 

erosion prone surfaces, where 

sediment delivery to stream 

channels may result. 

• Using erosion control/vegetative Coarse and Fine Sediment: Chronic Biocriteria 

treatments under road surface erosion with delivery to OAR 340-041-0011 

decommissioning section. waterbodies, floodplains and Statewide Narrative Criteria 

R 87 wetlands. Lower the risk of future Sediment, Adverse Deposits 

• Applying site-specific measures large storm-related erosion, failures OAR 340-041-0007 

to alleviate concentration of road and sedimentation. Turbidity 

drainage causing erosion and OAR 340-041-0036 

sediment delivery to streams. 

Measures include: 

- Lowering risk of stream diversion 

potential at stream crossings 

- Upgrading stream crossing to pass 

the 100 year flood with allowance for 

debris and bedload 

- Removing or lowering unstable fills 

- Outsloping insloped ditch roads 

- Road drainage control to stable 

dissipation areas. 

Biocriteria 

OAR 340-041-0011 

Suspend stormproofing work if rain Statewide Narrative Criteria Coarse and Fine Sediment: Surface saturates soils to the extent that there Sediment, Adverse Deposits R 88 erosion with delivery to waterbodies, is potential for movement of sediment OAR 340-041-0007 floodplains and wetlands. from the road to the stream. Turbidity 

OAR 340-041-0036 

C – 17
 
Coos Bay District ROD and RMP 

BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Road Closure and Decommissioning 

Decommission new roads not included 

in the permanent road system upon 

completion of use 

Decommission older, under used roads 

R 89 that require high maintenance. 

Road decommissioning may include 

any combination of the following 

measures: 

Closure: 

Close roads not needed, but 

not recommended to be fully Biocriteria 

decommissioned. When this measure OAR 340-041-0011 

is used by itself, it applies only to roads Coarse and Fine Sediment: Wheel Statewide Narrative Criteria 

that do not significantly reroute hillslope track formation and rilling/gullying Sediment, Adverse Deposits R 90 drainage, involve stream channels, or with delivery to waterbodies, OAR 340-041-0007 

present slope stability hazards. floodplains and wetlands. Turbidity 

OAR 340-041-0036 

Close roads using methods such as 

gates, guard rails, earth/log barricades, 

etc. to reduce or eliminate erosion and 

sedimentation due to traffic on roads. 

Biocriteria 

Place woody material or other OAR 340-041-0011 

appropriate barriers to discourage Coarse and Fine Sediment: Surface Statewide Narrative Criteria 

R 91 off-highway vehicle use on erosion delivering to waterbodies, Sediment, Adverse Deposits 

decommissioned roads, unless floodplains and wetlands. OAR 340-041-0007 

specifically designated for this use. Turbidity 

OAR 340-041-0036 

Restore natural stream crossings 

and maintenance free drainage: Biocriteria 

OAR 340-041-0011 Convert existing drainage Coarse and Fine Sediment: Statewide Narrative Criteria structures such as ditches and Sediment accumulation or debris R 92 Sediment, Adverse Deposits cross drain culverts to a long- plugging cross drains causing road OAR 340-041-0007 term no maintenance drainage erosion. Turbidity configuration such as large dips, OAR 340-041-0036 outsloped road surface, and well 

drained, high-capacity waterbars. 

Biocriteria 

Coarse and Fine Sediment: OAR 340-041-0011 

Sediment accumulation or Statewide Narrative Criteria 

Remove stream crossing culverts and debris plugging stream culverts, Road Building Waste Materials 

entire in-channel fill material during low causing road gully erosion or OAR 340-041-0007 R 93 flow (generally, June 15 to September stream crossing failure. Stream Statewide Narrative Criteria 

15) prior to fall rains. channels readjusting to active Sediment, Adverse Deposits 

channel width, entraining road OAR 340-041-0007 

fill materials. Turbidity 

OAR 340-041-0036 

C – 18
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Biocriteria Place excavated material from OAR 340-041-0011 removed stream crossings in a stable Coarse and Fine Sediment: Statewide Narrative Criteria location where it would not reenter the Surface erosion delivering to R 94 Sediment, Adverse Deposits stream. If necessary, place sediment waterbodies, floodplains and OAR 340-041-0007 and erosion controls around all wetlands. Turbidity stockpiled material. OAR 340-041-0036 

Biocriteria 

Coarse and Fine Sediment: OAR 340-041-0011 

Reestablish stream crossings to the Streambed nickpoints traveling Statewide Narrative Criteria 

natural stream gradient. Excavate upstream, scouring below the Road Building Waste Materials 

sideslopes back to a straight or slightly armor layer in gravel bed streams OAR 340-041-0007 R 95 concave profile, generally less than causing excessive channel Statewide Narrative Criteria 

50% gradient. Reestablish floodplains at erosion. Surface erosion delivering Sediment, Adverse Deposits 

bankfull height. to waterbodies, floodplains and OAR 340-041-0007 

wetlands. Turbidity 

OAR 340-041-0036 

Biocriteria 

OAR 340-041-0011 Coarse and Fine Sediment: Construct oversized waterbars or cross Statewide Narrative Criteria Surface erosion delivering to R 96 ditches that will remain functional on each Sediment, Adverse Deposits waterbodies, floodplains and side of stream crossings. OAR 340-041-0007 wetlands. Turbidity 

OAR 340-041-0036 

Erosion control and vegetative 

treatments: 

Apply erosion control, such as 

seeding and mulching, to all 

hydrologically connected road related 

bare soil surfaces, where erosion 

could occur, including streambanks 

and stream-adjacent side slopes 

following culvert removal. 

Place sediment trapping materials Coarse and Fine Sediment: Surface Biocriteria such as straw bales and jute netting erosion delivering to waterbodies, OAR 340-041-0011 at the toe of stream-adjacent side floodplains and wetlands. Statewide Narrative Criteria slopes following culvert removal. R 97 Sediment, Adverse Deposits 

OAR 340-041-0007 Complete seeding and mulching Turbidity erosion control work by October 15 of OAR 340-041-0036 each year. 

When straw mulch or rice straw mulch 

is used; require certified weed free, 

if readily available. Mulch shall be 

applied at no less than 2000 lbs/acre. 

Vegetative cuttings, shrubs and trees 

may be considered as needed for 

erosion control. Planting of shrubs 

and trees should occur during the 

winter dormant season. 

Appendix C - Best Management Practices 

C – 19
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality Standards 

and Regulations 

R 98 

Decompaction: 

Implement decompaction measures, 

including ripping or subsoiling to an 

effective depth; generally to 24-36 inches. 

Treat compacted areas including the 

roadbed, landings, construction areas, and 

spoils sites. 

Coarse and Fine Sediment: Water 

concentration eroding compacted 

surfaces resulting to sediment 

delivery to waterbodies, floodplains 

and wetlands. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 99 

Pull back/Obliteration: 

Pull back unstable road fill and 

either end-haul or recontour to 

the natural slopes. 

Coarse and Fine Sediment: 

Mass wasting resulting in sediment 

delivery to waterbodies, floodplains 

and wetlands. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 100 

Suspend decommissioning activities 

if rain saturates soils to the extent 

that there is potential for movement of 

sediment from the road to the stream. 

Coarse and Fine Sediment: 

Surface erosion delivering to 

waterbodies, floodplains and 

wetlands. 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

Water Source Development and Use 

R 101 

Construct water sources during 

the lowest flows (generally, August 

through October). 

Coarse and Fine Sediment, and 

Aquatic Habitat: 

Changing or removing stream 

habitat and associated stream 

turbidity. 

Biocriteria 

OAR 340-041-0011 

Turbidity 

OAR 340-041-0036 

R 102 

Locate road approaches 

to in-stream water source 

developments so as to limit 

disturbance to vegetation and 

modification of streambanks. 

Surface these approaches with 

rock. 

Coarse and Fine Sediment, and 

Toxins: 

Road surfacing, washing into the 

stream during storms. 

Turbidity 

OAR 340-041-0036 

R 103 

Avoid use of road fills for water 

impoundment dams unless 

specifically designed for that 

purpose. Existing road fill 

impoundments are required 

to pass 100-year flood events 

without failure. Upgrade existing 

impoundments when economical to 

do so. 

Coarse and Fine Sediment, and 

Toxins: 

Road fill washout, leading to stream 

sedimentation 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative Criteria 

Road Building Waste Materials 

OAR 340-041-0007 

Statewide Narrative Criteria 

Sediment, Adverse Deposits 

OAR 340-041-0007 

Turbidity 

OAR 340-041-0036 

R 104 

Direct pass through flow and/or 

overflow from in-channel and offchannel water developments back into 

the stream . 

Low Flows: 

Decreasing low flows, potentially 

causing increased stream water 

temperatures, and decreased stream 

oxygen levels. 

Dissolved Oxygen 

OAR 340-041-0016 

Temperature 

OAR 340-041-0028 

C – 20
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Overflow from water harvesting ponds Augmenting Streamflow: Dissolved Oxygen 

should be directed to a safe non- Detained water, potentially causing OAR 340-041-0016 R 105 eroding dissipation area, and not into a increased stream water temperatures, Temperature

stream channel. and decreased stream oxygen levels. OAR 340-041-0028 

Limit the construction of temporary 

pump chances. When intermittently Low Flows: Dissolved Oxygen pumping, use a temporary liner to Decreasing low flows, potentially OAR 340-041-0016 R 106 create and remove these water causing increased stream water Temperature drafting sites. Avoid interfering with fish temperatures, and decreased stream OAR 340-041-0028 passage or adverse effects on aquatic oxygen levels. 

life. 

Coarse and Fine Sediment, and Biocriteria Do not place pump intakes on the Stream Habitat: OAR 340-041-0011 R 107 substrate or edges of the stream Changing or removing stream Turbidity channel. habitat and associated stream OAR 340-041-0036 turbidity. 

Appendix C - Best Management Practices 

C – 21
 
Coos Bay District ROD and RMP 

Timber Harvest Activities 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-2. Best Management Practices For Timber Harvest Activities 

BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Cable Yarding 

TH 1 

Remove slash introduced into 

waterbodies that may be floatable e.g. 

limbs, tops,before the next precipitation 

and runoff event. 

Coarse and Fine Sediment: 

Debris jams can form damming the 

stream and directing streamflow 

against banks, leading to bank 

erosion or a dam break flood. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) 

and(13) 

Turbidity 

OAR 340-041-0036 

TH 2 

Design yarding corridors so as 

to limit canopy loss in riparian 

management areas and to meet 

shade targets. Techniques include 

limiting the number of such 

corridors, using narrow 

widths, and using a perpendicular 

orientation to the stream. 

Water Temperature: 

Yarding corridors in RMA’s can 

result in vegetation canopy loss due 

to removal for safety and yarding 

operations. Decreases in canopy can 

result in losses of effective shade and 

exposure of stream channel to solar 

radiation, resulting in heating of the 

waterbody. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) 

and(13) 

Temperature 

OAR 340-041-0028 

TH 3 

Where workable, require full 

suspension over flowing streams, nonflowing streams with erodible bed and 

bank, and jurisdictional wetlands. 

Coarse and Fine Sediment: 

Log yarding through waterbodies can 

cause direct introduction of sediment 

into water or channels resulting 

in accumulation of sediment and 

turbidity. Displacement of stream and 

wetland bed and banks exposing soil 

to erosion resulting in sedimentation 

and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007(1) 

and(13) 

Turbidity 

OAR 340-041-0036 

TH 4 

Limit downhill logging into Riparian 

Management Areas where yarding 

trails can converge, and potentially 

intersect the stream network. 

Coarse and Fine Sediment: Downhill 

logging into RMA’s could result in 

converging skid paths intersecting 

stream channels, with less than full 

suspension, which could result in 

sediment accumulation, delivery and 

turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) 

and(13) 

Turbidity 

OAR 340-041-0036 

TH 5 

Where slopes exceed 60 percent 

along stream channels, yard with full 

suspension, or one-end suspension 

using seasonal restrictions. Yard 

remaining areas using one-end 

suspension. 

Coarse and Fine Sediment: Slopes 

greater than 60% present a high 

risk of soil displacement and 

transport downslope to RMAs due 

to gravitational forces. Increased 

displacement from lack of log 

suspension can cause excessive 

displacement, exposure of sediment 

sources and delivery to waterbodies 

and wetlands. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) 

and(13) 

Turbidity 

OAR 340-041-0036 

TH 6 

Implement erosion control measures 

such as waterbars, slash placement 

and seeding in cable yarding corridors 

where the potential for erosion and 

delivery to waterbodies, floodplains 

and wetlands exists. 

Coarse and Fine Sediment: Exposure 

of soils to erosive forces of water with 

potential delivery to waterbodies and 

wetlands. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) 

and(13) 

Turbidity 

OAR 340-041-0036 

C – 22
 
Appendix C - Best Management Practices 

BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Ground-Based Harvesting 

Coarse and Fine Sediment: 

Exclude equipment from Riparian Displacement and exposure of soils Antidegradation Management Area retention areas (60 through equipment operation with OAR 340-041-0004(1) feet from the edge of the active stream potential delivery of sediment to Statewide Narrative OAR channel for fishbearing and perennial waterbodies resulting in sedimentation 340-041-0007 (1) and streams, lakes and ponds, and 35 feet and turbidity. TH 7 (13) for intermittent streams), except for Temperature: Temperature road crossings, restoration, wildfire, or Loss of vegetation canopy due to OAR 340-041-002 similar operational reasons. removal during yarding operations. Turbidity Decreased shade and exposure of OAR 340-041-0036 stream channel to solar radiation and 

increased heating. 

Coarse and Fine Sediment: Antidegradation 

Compaction, displacement, and OAR 340-041-0004(1) 

exposure of soils through equipment Statewide Narrative OAR Exclude ground-based equipment on TH 8 operation with potential for increased 340-041-0007 (1) and hydric soils. runoff and delivery of sediment to (13) 

waterbodies resulting in sedimentation Turbidity

and turbidity. OAR 340-041-0036 

Coarse and Fine Sediment: Antidegradation 

Compaction, displacement, and OAR 340-041-0004(1) 

Plan use on existing and new skid exposure of soils through equipment Statewide Narrative OAR 

TH 9 trails, to be less than 12 percent of the operation with potential for increased 340-041-0007 (1) and 

harvest area. runoff and delivery of sediment to (13) 

waterbodies resulting in sedimentation Turbidity

and turbidity. OAR 340-041-0036 

Coarse and Fine Sediment: Antidegradation 

Compaction, displacement, and OAR 340-041-0004(1) 

Limit width of skid roads to what exposure of soils through equipment Statewide Narrative OAR 

TH 10 is operationally necessary for the operation with potential for increased 340-041-0007 (1) and 

equipment. runoff and delivery of sediment to (13) 

waterbodies resulting in sedimentation Turbidity

and turbidity. OAR 340-041-0036 

Coarse and Fine Sediment: Antidegradation 

Compaction, displacement, and OAR 340-041-0004(1) 

Ensure one-end suspension of logs; exposure of soils through equipment Statewide Narrative OAR 

TH 11 (e.g. integral arch on all conventional operation with potential for increased 340-041-0007 (1) and 

ground-base yarding equipment). runoff and delivery of sediment to (13) 

waterbodies resulting in sedimentation Turbidity

and turbidity. OAR 340-041-0036 

Coarse and Fine Sediment: Antidegradation Restrict ground-based harvest and Compaction, displacement, and OAR 340-041-0004(1) skidding operations to periods of exposure of soils through equipment Statewide Narrative OAR low soil moisture when soils have TH 12 operation with potential for increased 340-041-0007 (1) and resistance to compaction and runoff and delivery of sediment to (13) displacement. waterbodies resulting in sedimentation Turbidity

and turbidity. OAR 340-041-0036 

Coarse and Fine Sediment: Antidegradation 

Compaction, displacement, and OAR 340-041-0004(1) As a first priority, use ground-based exposure of soils through equipment Statewide Narrative OAR equipment on existing compacted TH 13 operation with potential for increased 340-041-0007 (1) and surfaces. runoff and delivery of sediment to (13) 

waterbodies resulting in sedimentation Turbidity

and turbidity. OAR 340-041-0036 

C – 23
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality Standards 

and Regulations 

TH 14 

Limit conventional ground-based 

equipment to slopes less than 35 

percent. 

Coarse and Fine Sediment: 

Compaction, displacement, and 

exposure of soils through equipment 

operation with potential for increased 

runoff and delivery of sediment to 

waterbodies resulting in sedimentation 

and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity

 OAR 340-041-0036 

TH 15 

When specialized ground-based 

mechanized equipment is used on 

slopes greater than 35%, monitor 

use, and restrict where water and 

sediment could channel overland. 

Coarse and Fine Sediment: 

Compaction, displacement, 

and exposure of soils through 

equipment operation with potential 

for increased runoff and delivery of 

sediment to waterbodies resulting in 

sedimentation and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity

 OAR 340-041-0036 

TH 16 

Designate skid trails where 

water from trail surface would 

not be channeled into unstable 

areas adjacent to waterbodies, 

floodplains, and wetlands. 

Coarse and Fine Sediment: 

Compaction of skid trails resulting in 

additional surface flow to unstable 

areas. Increases in water to unstable 

areas can elevate pore pressure and 

weight of unstable area causing mass 

wasting and delivery of sediment and 

turbidity to waterbodies and wetlands. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity

 OAR 340-041-0036 

TH 17 

When hand falling, directionally 

fall trees towards skid trails. 

When mechanically harvesting, 

directionally fall and bunch trees to 

facilitate skidding. 

Coarse and Fine Sediment: Minimize 

compaction of skid trails resulting in 

loss of infiltration, surface water flow 

and erosion of exposed soils. 

Potential delivery to waterbodies and 

wetlands resulting in sedimentation 

and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity 

OAR 340-041-0036 

TH 18 

Apply erosion control practices 

to skid roads and other disturbed 

areas with potential for erosion and 

subsequent sediment delivery to 

waterbodies, floodplains, or wetlands. 

These practices could include 

seeding, mulching, water barring, 

tillage, and woody debris placement. 

Use guidelines from the road 

decommissioning section. 

Coarse and Fine Sediment: Exposure 

of soils to erosive forces of water with 

potential delivery to waterbodies and 

wetlands. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity 

OAR 340-041-0036 

TH 19 Construct waterbars on skid trails 

using guidelines in Table C-5. 

Coarse and Fine Sediment: 

Exposure of soils to erosive 

forces of water with potential 

delivery to waterbodies and 

wetlands. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity

 OAR 340-041-0036 

TH 20 

Allow logging on snow when snow 

depth is greater than 18 inches or over 

frozen ground. 

Coarse and Fine Sediment: 

Displacement, compaction, 

and exposure of soils through 

equipment operation with 

potential delivery of sediment 

to waterbodies resulting in 

sedimentation and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative 

OAR 340-041-0007(1)&(13) 

Turbidity 

OAR 340-041-0036 

C – 24
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Antidegradation Coarse and Fine Sediment: OAR 340-041-0004(1) Displacement, compaction, Biocriteria and exposure of soils through Block skid roads that intersect haul OAR 340-041-0011 TH 21 equipment operation with roads at the end of seasonal use. Statewide Narrative potential delivery of sediment OAR 340-041-0007(1)&(13) to waterbodies resulting in Turbidity sedimentation and turbidity. OAR 340-041-0036 

Antidegradation Coarse and Fine Sediment: OAR 340-041-0004(1) Where feasible in dry forest types, Displacement, compaction, Biocriteria plan one entry operations, by and exposure of soils through OAR 340-041-0011 combining ground-based timber multiple-entry equipment TH 22 Statewide Narrative harvesting with pre-commercial operations with potential delivery OAR 340-041-0007 thinning, and/or biomass opportunities, of sediment to waterbodies (1)&(13) or reducing fuel loading. resulting in sedimentation and Turbidity turbidity. OAR 340-041-0036 

Helicopter 

Coarse and Fine Sediment: 

Soil exposure due to road construc- Antidegradation 

Appendix C - Best Management Practices 

TH 23 

Consider the use of helicopter 

or aerial logging systems for 

unavoidable water quality impacts 

from road construction or groundbased timber yarding, where other 

BMPs would be more costly or have 

limited effectiveness. 

tion or yarding operations resulting in 

soil erosion with potential transport to 

the waterbody resulting in sedimentation and turbidity. 

Temperature: 

Loss of vegetation canopy due to 

removal during yarding operations. 

Decreased shade and exposure of 

stream channel to solar radiation and 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007 

(1) and (13) 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036 

increased heating. 

Horse 

TH 24 

Within Riparian Management Areas, 

limit horse logging to slopes less than 

20 percent. 

Coarse and Fine Sediment: 

Soil on skid trails exposed to water 

erosion with potential delivery to 

waterbodies, floodplains, and wetlands 

resulting in sedimentation and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity 

OAR 340-041-0036 

TH 25 

Construct waterbars on horse skid 

trails when there is potential for soil 

erosion and delivery to waterbodies, 

floodplains, and wetlands. 

Coarse and Fine Sediment: 

Soil on skid trails exposed to water 

erosion with potential delivery to 

waterbodies, floodplains, and wetlands 

resulting in sedimentation and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative OAR 

340-041-0007 (1) and 

(13) 

Turbidity 

OAR 340-041-0036 

C – 25
 
Coos Bay District ROD and RMP 

Silvicultural Activities 

See Summary of Oregon Water Quality Standards additional details about the standards and regulations that 

are associated with the best management practices. 

Table C-3. Best Management Practices For Planting, Pre-Commercial Thinning, 

Fertilization, And Stand Conversion 

Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

Planting 

Antidegradation 

S 1 

Limit the crossing of stream channels 

with motorized support vehicles (e.g., 

ATV’s) and mechanized equipment to 

existing road crossings. 

Coarse and Fine Sediment: Vehicle 

and equipment crossing streams can 

cause breakdown of bed and banks 

exposing soil to water erosion and 

resulting turbidity. 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007(1) and 

(13) 

Turbidity

 OAR 340-041-0036 

Pre-Commercial Thinning 

S 2 

Limit the crossing of stream channels 

with motorized support vehicles (e.g., 

ATV’s) and mechanized equipment to 

existing road crossings. 

Coarse and Fine Sediment: Vehicle 

and equipment crossing streams can 

cause breakdown of bed and banks 

exposing soil to water erosion and 

resulting turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036 

S 3 Fell thinned trees away from 

stream channels when possible. 

Coarse and Fine Sediment: 

Accumulation of slash in channels 

can redirect flows out of the stream 

channel, increasing stress on banks 

and resulting in streambank and 

floodplain erosion and increases in 

local turbidity 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036

 S 4 

Scatter treatment debris on disturbed 

soils and water bar any yarding trails 

that could erode and deposit sediment 

in water bodies, floodplains, and 

wetlands 

Coarse and Fine Sediment: Erosion 

of exposed soil and delivery to 

waterbodies and wetlands resulting in 

turbidity increases. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036 

Fertilization

 S 5 

For streams and waterbodies that 

support domestic use, apply fertilizer 

further than 100 feet from the edge of 

the active channel or shoreline. 

Nitrate leaching to surface and 

groundwater affecting domestic water 

use. 

10 mg/L nitrate nitrogen for 

domestic water supply

 EPA 440/5-86-001 

S 6 

Locate storage, transfer, and loading 

sites outside Riparian Management 

Areas and separated from 

hydrological connections: (eg road 

ditches that are linked to stream 

channels). 

Nutrient Enrichment: 

Spilling of fertilizer with potential 

delivery of nutrients to waterbodies and 

wetlands through leaching or direct 

surface water transport. 

0.5 mg/L toxic to rainbow 

trout 

Biocriteria 

OAR 340-041-0011 

S 7 

When aerially applying fertilizer, 

avoid drift of fertilizer into 

waterbodies 

Nutrient Enrichment: 

Application of Nitrate to potentially 

nitrogen rich riparian areas, leading to 

leaching and delivery of nitrates through 

local groundwater to and water bodies. 

0.5 mg/L toxic to rainbow trout 

Biocriteria 

 OAR 340-041-0011 

C – 26
 
Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

Nutrient Enrichment: When aerially applying fertilizer, Application of Nitrate to potentially 0.5 mg/L toxic to rainbow trout suspend fertilizer application when S 8 nitrogen rich riparian areas, leading to Biocriteria heavy precipitation is expected at leaching and delivery of nitrates through OAR 340-041-0011 the time of application. local groundwater to and water bodies. 

Stand Conversion Restoration

Antidegradation 

Water Temperature: OAR 340-041-0004(1) Within Riparian Management Areas, Decreases in canopy can result in Statewide Narrative design size, shape and placement of S 9 losses of effective shade and exposure OAR 340-041-0007 restoration areas, to maintain as much of stream channel to solar radiation, (1) and (13) effective shade as possible. resulting in heating of the waterbody. Temperature

Appendix C - Best Management Practices 

 OAR 340-041-0028

 S 10 

Within Riparian Management Areas, 

limit mechanical ground-based 

equipment to slopes less than 35% and 

beyond 35 feet from the edge of the 

active stream channel. 

Coarse and Fine Sediment: 

Displacement and exposure of soils 

through equipment operation with 

potential delivery of sediment to 

waterbodies resulting in sedimentation 

and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007 

(1) and (13) 

Temperature

 OAR 340-041-0028 

C – 27
 
Coos Bay District ROD and RMP 

Fire and Fuels Management 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-4. Best Management Practices For Fire And Fuels Management 

BMP 

Number Best Management Practices Input Variables and Causal Mechanisms 

Water Quality 

Standards and 

Regulations 

Underburn, Concentration Burn, and Broadcast Burn

 F 1 

Allow low intensity underburns to back into 

Riparian Management Areas; however 

no ignition would occur within Riparian 

Management Areas, unless prescribed for 

restoration purposes. 

Keep broadcast burns and concentration 

burns out of Riparian Management Areas, 

unless prescribed for restoration purposes, 

(e.g. sudden oak death sanitation). 

Locate ignition lines above large open 

meadows associated with stream channels, 

unless prescribed for restoration. 

Coarse and Fine Sediment, 

and Temperature: 

Bare soil in RMA is subject to 

surface erosion and potential 

sediment delivery to adjacent 

waterbody. 

Loss of riparian vegetation 

due to wildfire could reduce 

shade and increase water 

temperature. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036

 F 2 

Avoid underburning in dry forest types, 

where fuel loads are elevated, by 

encouraging whole tree yarding. 

Coarse and Fine Sediment: 

Underburning in dry forest types 

with heavy fuel loading could 

result in soil exposure and 

tree mortality resulting in soil 

erosion with potential transport 

to the waterbody resulting in 

sedimentation and turbidity. 

Antidegradation 

OAR 340-041-0004(1) 

Statewide Narrative 

OAR 340-041-0007 (1) 

and 

(13) 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036

 F 3 

Avoid ignition of large woody material 

that is touching the high water mark of a 

waterbody or that may be affected by high 

flows. 

Coarse and Fine 

Sediment: Large wood 

provides channel 

stabilization and energy 

dissipation, thus reducing 

channel erosion and 

subsequent sedimentation. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036

 F 4 

Avoid delivery of foam or additives to 

waterbodies, floodplains, or wetlands. 

Store and dispose of ignition devices/ 

materials (e.g., flares, plastic 

spheres, etc.) outside Riparian 

Management Areas or a minimum 

of 100 feet from waterbodies, 

floodplains, and wetlands. 

Maintain and refuel equipment (e.g., 

drip torches, chainsaws) a minimum 

of 100 feet from waterbodies, 

floodplains, and wetlands. Portable 

pumps can be refueled on-site within 

a spill containment system. 

Chemicals: 

Direct 

contamination of 

waterbodies. 

Toxic Substances 

OAR 340-041-0033 

C – 28
 
Water Quality BMP Input Variables and Causal Best Management Practices Standards and Number Mechanisms Regulations

Limit firelines inside Riparian Management 

Areas. Antidegradation Construct firelines by hand on all slopes OAR 340-041-0004(1) greater than 35 percent. Biocriteria Use erosion control techniques such as Coarse and Fine OAR 340-041-0011 tilling, waterbarring, or debris placement on Sediment: Firelines F 5 Statewide Narrative OAR firelines. Construct waterbars on tractor and can channel water and 340-041-0007(1) and hand firelines. sediment into waterbodies. (13) Avoid placement of any fireline where Turbidity water would be directed into waterbodies, OAR 340-041-0036 floodplains, wetlands, headwalls, or areas of 

instability. 

Pile and Burn 

Antidegradation 

Coarse and Fine Sediment: OAR 340-041-0004(1) 

Appendix C - Best Management Practices 

Ground disturbance Biocriteria 

Avoid mechanical piling in areas that reduces infiltration and OAR 340-041-0011 

F 6 could deliver sediment to waterbodies, increases surface runoff with Statewide Narrative OAR 

floodplains, wetlands. subsequent soil movement. 340-041-0007(1) and 

Erosion more likely on 

steeper slopes. 

(13) 

Turbidity 

OAR 340-041-0036 

Mechanical and Manual Fuel Treatments 

F 7 

No mechanical fuel reduction equipment 

within 60’ of streams, unless prescribed for 

restoration. 

Limit mechanical fuel reduction equipment 

to slopes less than 35 percent. Restrict nontrack mechanized equipment to slopes less 

than 20 percent. 

Coarse and Fine Sediment: 

Ground-based equipment 

reduces infiltration and 

increases surface runoff with 

subsequent soil movement. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036 

F 8 

Use temporary stream crossings if 

necessary to access the opposite side 

with any equipment or vehicles (including 

ATVs). Follow Temporary Stream Crossing 

practices under Roads section. 

Coarse and Fine Sediment: 

Stream crossings subject 

to streambank damage and 

erosion. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036 

F 9 Place residual slash on disturbed 

areas. 

Coarse and Fine Sediment: 

Bare soil areas are subject 

to erosion and subsequent 

sediment delivery to waterbody. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036

 F 10 

Maintain and refuel equipment 

(e.g., drip torches, chainsaws) a 

minimum of 100 feet from waterbodies, 

floodplains, and wetlands. Portable 

pumps can be refueled on-site within a 

spill containment system. 

Petroleum Products: Direct 

contamination of waterbodies. 

Toxic Substances

 OAR 340-041-0033 

C – 29
 
Coos Bay District ROD and RMP 

Water Quality BMP Input Variables and Causal Best Management Practices Standards and Number Mechanisms Regulations 

Wildfire Suppression

Limit firelines inside Riparian Management 

Areas. Antidegradation Coarse and Fine Sediment: OAR 340-041-0004(1) Ground-based equipment Where hand constructed firelines are Biocriteria reduces infiltration and necessary in Riparian Management Areas, OAR 340-041-0011 increases surface runoff with F 11 angle the approach, where feasible, rather Statewide Narrative OAR subsequent soil movement. Soil than have it perpendicular to the Riparian 340-041-0007(1) and disturbance causes soil erosion Management Area. (13) and potential for soil movement Turbidity to waterbody. Limit use of heavy equipment on slopes OAR 340-041-0036

greater than 35 percent. 

Antidegradation Prevent cutting of logs or woody material if Coarse and Fine Sediment: OAR 340-041-0004(1) any portion of that material extends into the Biocriteria stream channel, unless for restoration. Stream bank or channel OAR 340-041-0011 erosion, caused by destabilizing F 12 Statewide Narrative OAR Fall snags in the Riparian Management Area banks and affecting water flow 340-041-0007(1) and towards the stream channel when felling is against debris, diminishing (13) necessary for safety or fire stream complexity with possible Turbidity suppression activities. effects on aquatic life. OAR 340-041-0036 

Antidegradation Coarse and Fine Sediment, , OAR 340-041-0004(1) Temperature, and Petroleum Biocriteria Products: Avoid locating incident bases, camps, OAR 340-041-0011 Riparian disturbance from helibases, staging areas, constructed Statewide Narrative equipment and people could helispots, and other centers for incident OAR 340-041-0007(1) F13 increase sediment. Removal of activities in Riparian Management Areas or Temperature riparian vegetation could cause within 200 feet of any waterbody, floodplain, OAR 340-041-0028 water temperature increases. or wetland. Toxic Substances Accidental spillage of fuel and OAR 340-041-0033 other chemicals could enter Turbidity waterways. OAR 340-041-0036 

Locate and maintain portable sanitation 

facilities at incident bases, camps (including Bacteria: spike/ remote camps), helibases, staging Bacteria F 14 Contamination from human areas, constructed helispots, and other OAR 340-041-0009 waste. centers for incident activities in accordance 

with state and local regulations. 

Keep chemical retardant, foam, or additives 

out of waterbodies, floodplains, or wetlands. 

Antidegradation Keep wildland fire chemicals further than 300 OAR 340-041-0004(1) feet from lakes, ponds, seeps, and perennial Biocriteria and intermittent streams (FA-IM-2008-029). Chemical Retardants: OAR 340-041-0011 F 15 Contamination of waterbodies Statewide Narrative Avoid use of chemical retardants within the from chemical retardant. OAR 340-041-0007(1) Riparian Management Area. Toxic Substances 

OAR 340-041-0033 Apply aerial retardant adjacent to Riparian 

Management Areas by making parallel 

passes. 

C – 30
 
Appendix C - Best Management Practices 

Water Quality BMP Input Variables and Causal Best Management Practices Standards and Number Mechanisms Regulations 

Rehabilitation 

Implement emergency fire rehabilitation 

treatments to accomplish erosion control 

as quickly as possible and before the wet 

season. 

Soil and water conservation practices may 

include: 

Native or other ecologically appropriate 

vegetation for short-term cover development 

and long-term recovery, unless not available 

in quantities necessary for the emergency 

response. 

F 16 

Mulch with straw, wood chips, or other 

suitable material. To avoid contamination 

when mulching, use certified weed-free straw 

mulch or rice straw where available. 

Straw wattles. 

Log erosion barriers. 

Spreading slash on bare soils. 

Placing channel stabilization structures. 

Coarse and Fine 

Sediment: 

Bare soil areas are 

subject to erosion and 

subsequent sediment 

delivery to streams and 

waterbodies. Sediment 

transfer hazard within 

channels, if sediment 

appreciably moves 

off-site to important 

downstream waters. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036 

Placing sediment retention structures in 

channel. 

Placing trash racks above road drainage 

structures. 

Installing drainage structures, such as 

water bars or drainage dips, on firelines, fire 

roads, and other cleared areas according to 

guidelines in Table 5 (Waterbar spacing by 

gradient and erosion class). 

Repairing damaged road drainage facilities. 

Blocking or decommission roads and trails. 

C – 31
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and Causal 

Mechanisms 

Water Quality 

Standards and 

Regulations 

Post-Fire Road Improvement 

F 17 

Implement emergency fire rehabilitation 

treatments to accomplish erosion control 

as quickly as possible and before the wet 

season. 

Soil and water conservation practices may 

include: 

Reduce road system hydrologic conductivity. 

Increase peak flow capacity of stream 

crossing culverts to accommodate the 100-

year design flood. 

Prevent culvert plugging. 

Correct stream diversions. 

Coarse and Fine 

Sediment: 

Erosion and runoff 

from bare soil areas 

onto roads and 

increased truck traffic 

from salvage logging 

causing sediment 

delivery to streams and 

waterbodies. Sediment 

and debris reducing 

stream crossing 

drainage structures 

capacity, increasing risk 

for failure with flooding. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Turbidity 

OAR 340-041-0036 

Excavate potential fillslope failures. 

Fuel/Retardant Transport 

If more than 42 gallons of fuel or combined 

quantity of petroleum product and chemical 

substances, as project materials, would be 

transported to a project site, the following 

precautions would be implemented. 

1. Plan a safe route and transfer sites that 

could contain the transported volume. 

2. Plan an active dispatch system 

that can relay the information to 

appropriate resources. 

3. Ensure a spill containment kit that 

F 18 

can absorb and contain 55 gallons 

of petroleum product and chemical 

substances is readily available. 

4. Provide for immediate notification 

in the event of a spill. Have a radio 

equipped vehicle lead the chemical or 

fuel truck to the project site. 

5. Assemble a spill notification list 

Petroleum and Chemical 

Substances: 

Spillage into waterbodies 

with chemical 

contamination of 

waterbodies. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative OAR 

340-041-0007(1) and 

(13) 

Toxic Substances 

that includes the district hazardous OAR 340-041-0033 

materials coordinator, DEQ, and spill 

clean-up contractors. 

6. Construct a water user contact list with 

address and phone numbers. 

7. When operating within Source Water 

Watersheds, pre-estimate travel times 

through the watershed to predict 

downstream arrival 

times. 

8. Be prepared to sample water and carry 

sample containers. 

C – 32
 
Appendix C - Best Management Practices 

Table C-5. Waterbar Spacing By Gradient And Erosion Class 

Waterbar Spacing (feet)a Per Erosion Classb 

Gradient 

High Class Moderate Class Low Class 

2 to 5% 200 ft. 300 ft. 400 ft. 

6 to 10% 150 ft. 200 ft. 300 ft. 

11 to 15% 100 ft. 150 ft. 200 ft. 

16 to 20% 75 ft. 100 ft. 150 ft. 

21 to 35% 50 ft. 75 ft. 100 ft. 

36+% 50 ft. 50 ft. 50 ft. a Spacing is determined by slope distance and is the maximum allowed for the grade. 

b The erosion classes include the following rock types: 

High: granite, sandstone, andesite porphyry, glacial or alluvial deposits, soft matrix conglomerate, volcanic ash, and pyroclastics 

Moderate: basalt, andesite, quartzite, hard matrix conglomerate, and rhyolite 

Low: metasediments, metavolcanics, and hard shale 

C – 33
 
Coos Bay District ROD and RMP 

Surface Source Water for Drinking Water 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-6. Best Management Practices For Surface Source Water For Drinking Water 

Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

Antidegradation 

SW 1 

Sanitary facilities would be planned, 

located, designed, constructed, 

operated, inspected, and maintained 

to minimize possibilities of water 

contamination. 

Bacteria: 

Fecal Coliform enrichment of local 

groundwater and surface water with 

delivery to downstream drinking water 

diversion. 

OAR 340-041-0004(1) 

Bacteria 

OAR 340-041-0009 

Statewide Narrative 

OAR 340-041-0007(1) 

and 

(13) 

SW 2 

Locate contractor camps outside 

Oregon Department of Environmental 

Quality sensitive zones in surface 

source water watersheds. If this is 

not possible, require self-contained 

sanitary facilities. 

Bacteria: 

Fecal Coliform enrichment of local 

groundwater and surface water with 

delivery to downstream drinking water 

diversion. 

Antidegradation 

OAR 340-041-0004(1) 

Bacteria 

OAR 340-041-0009 

Statewide Narrative 

OAR 340-041-0007(1) 

and 

(13) 

SW 3 

Require self-contained sanitary 

facilities in surface source water 

watersheds, when long-term camping 

(greater than 14 days) is involved with 

contract implementation. 

Bacteria: 

Fecal Coliform enrichment of local 

groundwater and surface water with 

delivery to downstream drinking water 

diversion. 

Antidegradation 

OAR 340-041-0004(1) 

Bacteria 

OAR 340-041-0009 

Statewide Narrative 

OAR 340-041-0007(1) 

and 

(13) 

SW 4 

Provide self-contained sanitary 

facilities when there is high 

recreational use (almost continuous 

occupancy) within Oregon Department 

of Environmental Quality sensitive 

zones or along streams above 

domestic water diversions of record. 

Bacteria: 

Fecal Coliform enrichment of local 

groundwater and surface water with 

delivery to downstream drinking water 

diversion. 

Antidegradation 

OAR 340-041-0004(1) 

Bacteria 

OAR 340-041-0009 

Statewide Narrative 

OAR 340-041-0007(1) 

and 

(13) 

SW 5 

Locate pack, riding, restoration, and 

logging stock facilities 200 feet away 

from watercourses upstream of source 

drinking diversions. 

Bacteria: 

Fecal Coliform enrichment of local 

groundwater and surface water with 

delivery to downstream drinking water 

diversion. 

Antidegradation 

OAR 340-041-0004(1) 

Bacteria 

OAR 340-041-0009 

Statewide Narrative 

OAR 340-041-0007(1) 

and 

(13) 

SW 6 

Do not allow surface occupancy within 

200 feet of a recorded domestic or 

public drinking water diversion. 

Bacteria: 

Fecal Coliform enrichment of local 

groundwater and surface water with 

delivery to downstream drinking water 

diversion. 

Antidegradation 

OAR 340-041-0004(1) 

Bacteria 

OAR 340-041-0009 

Statewide Narrative 

OAR 340-041-0007(1) 

and 

(13) 

Toxic Substances 

OAR 340-041-0033 

C – 34
 
Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations

Antidegradation 

OAR 340-041-0004(1) Toxic Pollutants: Bacteria Do not apply sewage Leaching and surface water OAR 340-041-0009 sludge as a soil amendment in surface movement can transport toxics and Statewide Narrative SW 7 source water watersheds, above bacteria downstream to water supply OAR 340-041-0007(1) Domestic Water diversions of record, diversions. Some domestic supplies and or within Riparian Management Areas. have no ability to detect or treat this (13) pollution. Toxic Substances 

OAR 340-041-0033

Toxic Pollutants, Oil, Gas, and Antidegradation 

Nutrients: OAR 340-041-0004(1) 

Avoid loading, or storing chemical, Leaks, spills, and improper handling Statewide Narrative 

 SW 8 fuel, or fertilizer in sensitive zones in of pesticides, herbicides and OAR 340-041-

surface source water watersheds. petroleum products can leach or 0007(1) and(13) 

be transported by surface water to Toxic Substances 

drinking water diversion points. OAR 340-041-0033

Antidegradation 

Toxic Pollutants, Oil, and Gas: OAR 340-041-0004(1) 

Conduct equipment maintenance Leaks, spills, and improper handling Statewide Narrative 

 SW 9 outside site- specific sensitive zones in petroleum products can leach or OAR 340-041-

surface source water watersheds. be transported by surface water to 0007(1) and(13) 

drinking water diversion points. Toxic Substances 

OAR 340-041-0033

Antidegradation Toxic Pollutants, Oil, and Gas: OAR 340-041-0004(1) Leaks, spills, and improper Statewide Narrative Use non-oil-based dust suppressants application of oil based dust control SW 10 OAR 340-041- in surface source water watersheds. products can introduce petroleum 0007(1) and(13) products to surface water and to Toxic Substances drinking water diversion points. OAR 340-041-0033

Antidegradation Toxic Pollutants, Oil, and Gas: OAR 340-041-0004(1) Leachate from mineral operations Avoid mineral lease surface occupancy Statewide Narrative or equipment use may contain SW 11 within sensitive zones in surface OAR 340-041- chemicals and wastes that are source water watersheds. 0007(1) and(13) transported and delivered to drinking Toxic Substances water diversion points. OAR 340-041-0033

Toxic Pollutants: 

Direct application of fire retardant 

and surfactants to waterbodies 

above drinking water intakes can Antidegradation 

cause delivery of Nitrate reaching OAR 340-041-0004(1) 

Use fire retardant and surfactants as a concentrations as high as 33 mg/L, Statewide Narrative 

 SW 12 last resort in fire suppression activities well above the primary water quality OAR 340-041-

in surface source water watersheds. standard of 1 mg/L. The main 0007(1) and(13) 

chemical of concern in streams Toxic Substances 

24 hours after a retardant drop is OAR 340-041-0033 

un-ionized ammonia (NH3) is the 

principal toxic component to aquatic 

species. 

Appendix C - Best Management Practices 

C – 35
 
Coos Bay District ROD and RMP 

Recreation 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-7. Best Management Practices For Recreation 

BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

All Recreation Facilities 

REC 1 

Implement erosion control measures 

on all recreation sites to stabilize 

exposed soils. 

Coarse and Fine Sediment: Minimize 

sediment delivery to wetlands, 

floodplains, and waterbodies. 

Turbidity 

OAR 340-041-0036 

REC 2 

Locate new recreational facilities, 

developed and dispersed sites, 

outside of the water influence area. 

Low impact uses, such as hiking 

trails, picnic sites, or water dependent 

facilities (e.g., boat ramps or docks), 

are excluded. 

Coarse and Fine Sediment: 

Minimize sediment delivery resulting 

from surface erosion. 

Bacteria 

OAR 340-041-0009 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036

 Developed Recreation Sites

 REC 3 

Sealed vault toilets will be used at 

all developed recreational facilities, 

unless a sewage system and drainfield 

is approved by the Department of 

Environmental Quality. 

Bacteria: 

Bacterial pollution from improperly 

constructed sanitation facilities could 

be injurious to the health of humans 

and aquatic organisms. 

Bacteria 

OAR 340-041-0009 

REC 4 Construct and maintain refuse disposal 

sites to avoid water contamination. 

Bacteria: 

Bacteria could enter surface and 

groundwater if garbage is not 

disposed of properly. 

Bacteria 

OAR 340-041-0009 

REC 5 

When conducting recreation site 

maintenance, do not cut logs or coarse 

woody debris if any portion 

of that material extends in the active 

stream channel. 

Coarse and Fine Sediment: 

Sediment storage, streambank 

stability, and reduction of turbidity. 

Antidegradation 

OAR 340-041-

004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative 

OAR 340-041-

0007(1) and (13) 

Turbidity 

OAR 340-041-0036

 Water Dependent Facilities

 REC 6 Construct boat ramps and approaches 

with hardened surfaces. 

Coarse and Fine Sediment: 

Impacts to streambanks, turbidity 

Turbidity 

OAR 340-041-0036 

Off-Highway Vehicle (OHV) Trails 

Coarse and Fine Sediment, Bacteria 

and Pathogens, Oil, and Toxins: Biocriteria

 OAR 340-041-0011 

REC 7 

Use existing hardened stream 

crossings to the extent possible when 

constructing trails through Riparian 

Management Areas. 

OHVs accessing streams at multiple 

points, breaking down banks, 

disturbing stream substrate, causing 

turbidity and stream sedimentation. 

Driving through water column with 

possible contamination of waters with 

oils and toxics, bacteria and noxious 

weeds, washed from OHV or tires. 

Statewide Narrative Criteria 

Oil and Floating Solids

 OAR 340-041-0007 

Statewide Narrative Criteria 

Toxics

 OAR 340-041-0007 

Turbidity

 OAR 340-041-0036 

C – 36
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Antidegradation 

OAR 340-041- Coarse and Fine Sediment: 004(1) When constructing or maintaining trails Biocriteria within Riparian Management Areas, Stream bank or channel erosion, OAR 340-041-0011 REC 8 do not cut logs or coarse woody debris caused by destabilizing banks and Statewide Narrative if any portion of that material extends affecting water flow against debris, OAR 340-041-0007(1) into the active stream channel. diminishing stream complexity with and (13) possible effects on aquatic life. Turbidity 

OAR 340-041-0036 

Coarse and Fine Sediment, and Toxic 

Pollutants: Toxic substances Avoid vehicle and off-highway vehicle Direct delivery of sediment and/or OAR 430-041-0033 REC 9 use in streams, ponds, wetlands, and petroleum based fluids from vehicles Turbidity other waters. is unnecessary degradation of waters OAR 340-041-0036 

of the State. 

Stream crossings would be designed Coarse and Fine Sediment: Statewide Narrative Criteria 

to accommodate active channel width, Floodwaters exceeding crossing Sediment, Adverse Deposits 

REC 10 bed load, and fish passage without capacity, causing overtopping of fills, OAR 340-041-0007 

exceeding capacity or diversion for the with ensuing headcutting and loss of Turbidity 

100-year flood event. trail fill. OAR 340-041-0036 

Suspend construction or maintenance Coarse and Fine Sediment: Sediment Turbidity REC 11 of trails, where erosion and runoff into from trail related run-off causing OAR 340-041-0036 waterbodies would occur. stream turbidity. 

Biocriteria

 OAR 340-041-0011 

Locate staging areas outside Riparian Statewide Narrative Criteria Coarse and Fine Sediment, and Toxic Management Areas. Design or Oil and Floating Solids Pollutants: upgrade staging areas to prevent OAR 340-041-0007 REC 12 Sediment or petroleum products sediment/pollutant delivery to Statewide Narrative Criteria reaching streams with effects on wetlands, floodplains, and waterbodies Toxics aquatic life. (e.g., rocking or hardening). OAR 340-041-0007 

Turbidity

 OAR 340-041-0036 

Harden trail approaches to stream Coarse and Fine Sediment: Sediment crossings using materials such as Turbidity REC 13 reaching waterbodies from trail run- geotextile fabric and crushed rock OAR 340-041-0036 off. aggregate. 

Coarse and Fine Sediment: Sediment 

from trail related run-off, run-off Drain dips will be installed on from trail surfaces with delivery Turbidity REC 14 approaches to stream crossings and to waterbodies, floodplains, and OAR 340-041-0036 reinforced with rock for longevity. wetlands resulting in turbidity and 

sedimentation. 

Do not use chemically treated wood 

that would cause water quality Toxic Pollutants: 

degredation in construction of bridges Leaching of harmful chemicals from Toxic substances REC 15 over streams, where materials are in treated wood into waterbodies, OAR 430-041-0033 

contact with the stream or may leach floodplains and wetlands. 

into the soil or water. 

During construction, perennial stream Coarse and Fine Sediment: crossings may require a temporary Exposed soils may be vulnerable Turbidity REC 16 flow diversion structure through the to erosion and sediment OAR 340-041-0036 work area. (See Roads Section for deposition into streams. Stream Crossing BMPs.) 

Appendix C - Best Management Practices 

C – 37
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and Causal Mechanisms 

Water Quality Standards 

and Regulations 

REC 17 

Prevent vehicle access to nearby 

wetlands by using suitable 

barriers. 

Coarse and Fine Sediment: 

Defining trail route may prevent 

development of new trails into 

fragile areas susceptible to 

compaction and sediment transport 

to water resources. 

Turbidity

 OAR 340-041-0036 

REC 18 

Where trails intersect road ditches, 

provide hardened crossings. 

Divert water from the trail to 

keep from reaching wetlands, 

floodplains, and waterbodies. 

Coarse and Fine Sediment 

Exposed soils may be vulnerable 

to erosion, resulting in deposition 

to road ditches that could flow into 

nearby streams. 

Turbidity

 OAR 340-041-0036 

REC 19 

If trail width is too wide for the 

designated use (such as old roads 

converted to trails) consider tilling 

one side of the trail, covering with 

brush, and seeding or planting. 

Coarse and Fine Sediment: 

Wider trails are more prone to 

erosion and sediment delivery to 

waterbodies. 

Turbidity

 OAR 340-041-0036 

REC 20 

Repair rills and gullies using 

appropriately sized equipment or 

by hand. 

Coarse and Fine Sediment: 

Unless tread erosion is maintained 

regularly, erosion escalates and 

can route sediment to waterbodies 

Turbidity

 OAR 340-041-0036 

REC 21 

Waterbars, drain dips, and lead 

off ditches will be constructed or 

repaired as needed. These features 

may need rock reinforcement to 

promote longevity. Drain dips or leadoff features are the preferred design. 

Coarse and Fine Sediment: 

Drainage features can erode 

and gully and route run-off into 

streams resulting in sediment 

delivery to waterbodies, 

floodplains and wetlands. 

Turbidity

 OAR 340-041-0036

 REC 22 

Drain dips or lead off ditches will 

be constructed on steeper gradient 

trails and approaches to stream 

crossings. 

Coarse and Fine Sediment: 

Water volume concentration can 

occur, where there are insufficient 

drain dips or lead off ditches, with 

erosion and gullying, resulting in 

sediment delivery to waterbodies, 

floodplains and wetlands. 

Turbidity

 OAR 340-041-0036

 Trails (Hiking)

When constructing or maintaining Antidegradation 

trails within Riparian Management OAR 340-041-

Areas, do not cut logs or coarse Coarse and Fine Sediment: 004(1) 

woody debris if any portion of that Stream bank or channel erosion, Biocriteria 

REC 23 material extends into the active 

stream channel. Use alternative 

caused by destabilizing banks and 

affecting water flow against debris, 

OAR 340-041-0011 

Statewide Narrative 

passage options, such as earthen diminishing stream complexity with OAR 340-041-

ramps, small notch steps, or slight 

trail realignments, to facilitate 

maintenance of intact logs. 

possible effects on aquatic life. 0007(1) and (13) 

Turbidity

 OAR 340-041-0036 

Trail Closure

 REC 24 

Remove existing stream 

crossings or bridges. (See Road 

Decommissioning. BMPs.) 

Coarse and Fine Sediment: 

Unmaintained crossings can 

plug,with debris, fail and deliver 

sediment to streams. 

Turbidity

 OAR 340-041-0036 

C – 38
 
BMP Input Variables and Water Quality Standards Best Management Practices Number Causal Mechanisms and Regulations 

Coarse and Fine Sediment: 

Waste material is vulnerable Position fill or waste material in to erosion until vegetation is a location that would avoid direct Turbidity REC 25 established, or erosion control or indirect sediment discharges OAR 340-041-0036 measures are taken, resulting in to streams or wetlands. sediment delivery to waterbodies, 

floodplains and wetlands. 

Coarse and Fine Sediment: 

Exposed soils are vulnerable Restored stream banks would be to erosion in storm events and/ planted with native vegetation, Turbidity REC 26 or periods of high stream flows, mulched, and planted with water OAR 340-041-0036 resulting in sediment delivery tolerant species where appropriate. to waterbodies, floodplains and 

wetlands. 

Coarse and Fine Sediment: 

Unrestricted access to 

unmaintained or abandoned Barricade and brush in closed Turbidity REC 27 trails can result in rill and gully trails with nearby vegetation. OAR 340-041-0036 erosion and sediment delivery 

to waterbodies, floodplains, and 

wetlands. 

Dispersed Recreation 

Coarse and Fine Sediment: 

Soil disturbance close 

to streams can result in 

Appendix C - Best Management Practices 

REC 28 

Site camps for permitted group 

overnight camping would be 

greater than 100 feet from surface 

water. 

sedimentation. Lack of 

developed and maintained 

sanitation facilities poses a risk 

of fecal coliform contamination 

to waterbodies by direct contact 

or leaching. 

Bacteria 

OAR 340-041-0009 

Turbidity 

OAR 340-041-0036 

C – 39
 
Coos Bay District ROD and RMP 

Grazing 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-8. Best Management Practices For Grazing 

Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

Coarse and Fine Sediment, 

G 1 

Fence water developments, including 

springs and seeps, unless other 

methods are available. Pipe overflow 

away from the developed source 

Bacteria, Dissolved Oxygen, 

Temperature, and Biocriteria: 

Concentrated livestock use near/ 

within spring, seep areas resulting 

in overgrazing and subsequent 

loss of riparian vegetation, soil 

erosion, loss of shade and 

increases in summer stream 

Antidegradation 

OAR 340-04l-0004 

Bacteria 

OAR 340-041-0009 

Biocriteria 

OAR 340-041-0011 

Dissolved Oxygen 

OAR 340-041-0016 

area. water temperature, reduction 

in summer dissolved oxygen, 

delivery of bacteria and nutrients, 

with potential effects upon aquatic 

communities. 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036 

G 2 

Do not locate salting areas within 1⁄4 

mile of permanent water sources or 

Riparian Management Areas. 

Coarse and Fine Sediment, 

Bacteria, Dissolved Oxygen, 

Temperature, and Biocriteria: 

Concentrated livestock use near/ 

within spring, seep areas resulting 

in overgrazing and subsequent 

loss of riparian vegetation, soil 

erosion, loss of shade and 

increases in summer stream 

Antidegradation 

OAR 340-04l-0004 

Bacteria 

OAR 340-041-0009 

Biocriteria 

OAR 340-041-0011 

Dissolved Oxygen 

OAR 340-041-0016 

water temperature, reduction 

in summer dissolved oxygen, 

delivery of bacteria and nutrients, 

with potential effects upon aquatic 

communities. 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036 

G 3 

Locate new livestock handling or 

management facilities (corrals, 

pens, or holding pastures) outside 

Riparian Management Areas or 200 

feet from waterbodies and on level 

ground where drainage would not 

enter surface waters. 

If existing livestock handling 

facilities inside Riparian 

Management Areas do not meet 

water quality through use of 

BMPs, relocate or remove such 

facilities away from Riparian 

Management Areas. 

Coarse and Fine Sediment, 

Bacteria, Dissolved Oxygen, 

Temperature, and Biocriteria: 

Concentrated livestock use near/ 

within spring, seep areas resulting 

in overgrazing and subsequent 

loss of riparian vegetation, soil 

erosion, loss of shade and 

increases in summer stream 

water temperature, reduction 

in summer dissolved oxygen, 

delivery of bacteria and nutrients, 

with potential effects upon aquatic 

communities. 

Antidegradation 

OAR 340-04l-0004 

Bacteria 

OAR 340-041-0009 

Biocriteria 

OAR 340-041-0011 

Dissolved Oxygen 

OAR 340-041-0016 

Temperature 

OAR 340-041-0028 

Turbidity 

OAR 340-041-0036 

C – 40
 
Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

Apply specific grazing strategies 

for riparian wetland areas, 

including timing, intensity, or 

exclusion for maintenance of 

proper functioning condition. 

Use one or more of the following 

features: 

Inclusion of the waterbodies, 

floodplains, and wetlands within a 

separate pasture. 

Fence or herd livestock out of 

waterbodies, floodplains, and Coarse and Fine Sediment, wetlands for as long as necessary to Bacteria, Dissolved Oxygen, Antidegradation allow vegetation to recover. Temperature, and Biocriteria: OAR 340-04l-0004 

Concentrated livestock use near/ Bacteria Control the timing and intensity within spring, seep areas resulting OAR 340-041-0009 of grazing to keep livestock off in overgrazing and subsequent Biocriteria streambanks when they are most loss of riparian vegetation, soil OAR 340-041-0011 G 4 vulnerable to damage and to coincide erosion, loss of shade and Dissolved Oxygen with the physiological needs of target increases in summer stream OAR 340-041-0016 plant species. water temperature, reduction Temperature 

in summer dissolved oxygen, OAR 340-041-0028 Add more rest to the grazing delivery of bacteria and nutrients, Turbidity cycle to increase plant vigor, allow with potential effects upon aquatic OAR 340-041-0036 streambanks to revegetate, or communities. encourage more desirable plant 

species composition. 

Limit grazing intensity to a level 

that will maintain desired species 

composition and vigor. 

Permanently exclude livestock from 

those waterbodies, floodplains, and 

wetlands areas that are at high risk 

and have poor recovery potential, 

and when there is no practical way to 

protect them while grazing adjacent 

uplands. 

Coarse and Fine Sediment, 

Bacteria, Dissolved Oxygen, Antidegradation 

Temperature, and Biocriteria: OAR 340-04l-0004 

Recover degraded waterbodies Concentrated livestock use near/ Bacteria 

through adjustments to forage within spring, seep areas resulting OAR 340-041-0009 

utilization levels, improved livestock in overgrazing and subsequent Biocriteria 

distribution, and management loss of riparian vegetation, soil OAR 340-041-0011 G 5 through fencing, vegetation erosion, loss of shade and Dissolved Oxygen 

treatments, water source increases in summer stream OAR 340-041-0016 

developments, or changes in season water temperature, reduction Temperature 

of use or livestock numbers. in summer dissolved oxygen, OAR 340-041-0028 

delivery of bacteria and nutrients, Turbidity 

with potential effects upon aquatic OAR 340-041-0036 

communities. 

Appendix C - Best Management Practices 

C – 41
 
Coos Bay District ROD and RMP 

Minerals Exploration and Development 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-9. Best Management Practices For Minerals Exploration And Development 

Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

All Minerals 

M 1 

Locate, design, operate, and 

maintain settling ponds to contain 

sediment discharges. 

Coarse and Fine Sediment: Sediment 

could be transported to nearby 

streams from improperly designed or 

overflowing settling ponds. 

Turbidity

 OAR 340-041-0036 

M 2 Where practical, use existing roads, 

skid trails, and stream crossings. 

Coarse and Fine Sediment: 

New soil disturbance near streams 

and waterbodies may increase 

sediment delivery. 

Turbidity

 OAR 340-041-0036 

M 3 

Storm proof all natural surface 

roads and trails when an operation 

halts for the wet season. See 

Roads and Landings section for 

guidelines. 

Coarse and Fine Sediment: 

Bare soil is subject to surface erosion 

and potential sediment delivery 

to waterbodies, floodplains, and 

wetlands. 

Turbidity

 OAR 340-041-0036 

M 4 

Locate and maintain sanitation 

facilities where overflow or 

discharges would not enter surface 

water. Where possible, locate 

these facilities outside of Riparian 

Management Areas. 

Bacteria: 

Bacterial pollution into waterbodies 

from improperly constructed 

sanitation facilities could be injurious 

to the health of humans and aquatic 

organisms. 

Bacteria

 OAR 340-041-0009 

M 5 

If possible, locate structures 

and support facilities, at least 

200 feet from water bodies, 

floodplains, and wetlands. 

Coarse and Fine Sediment, and 

Temperature: 

Developed sites can channel 

water and sediment into nearby 

waterbodies. Loss of riparian 

vegetation due to development could 

reduce shade and increase water 

temperature. 

Temperature

OAR 340-041-0028 

Turbidity

OAR 340-041-0036 

M 6 

Design, locate, and construct 

stream crossings in conformance 

with practices described in Roads 

and Landings section. 

Coarse and Fine Sediment: 

Earthwork near streams can 

expose erodible soils and result in 

sedimentation to streams. 

Turbidity

 OAR 340-041-0036 

M 7 

If roads are used during wet 

seasons with potential for sediment 

delivery to stream channels, rock 

aggregate would be used to surface 

those roads, or other measures 

will be taken to prevent undue and 

unnecessary degradation 

Coarse and Fine Sediment: 

Use of native surfaced roads 

during wet weather could result in 

unnecessary and undue degradation 

of water quality in nearby streams. 

Turbidity

 OAR 340-041-0036 

M 8 

Prior to fall rains, reclaim all 

roads and trails constructed for 

exploratory purposes that are 

unnecessary for the mineral 

access. 

Coarse and Fine Sediment: 

Bare soil is subject to surface erosion 

and potential sediment delivery 

to waterbodies, floodplains, and 

wetlands. 

Turbidity

 OAR 340-041-0036 

C – 42
 
Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

Coarse and Fine Sediment, and 

Temperature: If possible, retain an undisturbed Lack of a vegetative filter strip can Temperature riparian buffer strip between mineral OAR 340-041-0028 M 9 destabilize streambanks and increase operations and water bodies, Turbidity sediment delivery; lesser stream OAR 340-041-0036 floodplains, and wetlands. shade can elevate temperatures of 

streams and wetlands. 

Stockpile available topsoil for 

use during reclamation of the Coarse and Fine Sediment: 

site. Stockpiled topsoil would be Bare soil is subject to surface erosion Turbidity M 10 stabilized to prevent erosion and and potential sediment delivery to OAR 340-041-0036 

contamination of other resources in adjacent waterbodies. 

the area. 

On access roads to mineral sites 

where no future entry is planned, Coarse and Fine Sediment: 

reclaim these access roads. This Soil erosion of exposed surfaces with Turbidity M 11 may include tilling, water barring, potential transport to the channel, OAR 340-041-0036 

blocking, re-contouring, fertilization, floodplain, or wetlands. 

planting, mulching, and seeding. 

Reclaim depleted or closed Coarse and Fine Sediment: mineral sites by stabilizing and Bare soil is subject to surface erosion Turbidity M 12 contouring the mining area. and potential sediment delivery to OAR 340-041-0036 Replace topsoil and mulch, seed, adjacent waterbodies. and plant. 

Locatable Minerals 

Comply with seasonal restrictions 

Appendix C - Best Management Practices 

M 13 

on suction dredging identified in 

Oregon Guidelines for Timing of 

In-Water Work to Protect Fish 

and Wildlife Resources when 

discharging to Oregon’s surface 

waters. 

Coarse and Fine Sediment: 

Suction dredging can deposit fine 

sediment in gravelsand is deleterious 

to fish and aquatic life. 

Biocriteria 

OAR 340-041-0011 

Turbidity OAR 340-041-0036 

M 14 

Plans of Operations and Notices, 

should contain waste products and 

prevent leaching contaminants from 

entering surface and ground water. 

Toxic Substances: 

Mine generated waste and runoff 

can negatively impact surface or 

groundwater quality and impair 

aquatic habitat. 

Biocriteria 

OAR 340-041-0011 

Toxic substances 

OAR 430-041-0033 

M 15 

Reclaim mine waste after 

operations to ensure chemical and 

physical stability according to the 

BLM approved reclamation plan for 

the Plan of Operations or Notice 

requirements. 

Toxic Substances: 

Mine generated waste and runoff 

can negatively impact surface or 

groundwater quality and impair 

aquatic habitat. 

Toxic substances 

OAR 430-041-0033 

Turbidity

OAR 340-041-0036 

M 16 

Stabilize exposed soils by 

seeding, mulching, and planting 

with tree or brush species and 

provide for non- erosive drainage 

from disturbed areas that were 

constructed or renovated for 

mining activities. 

Coarse and Fine Sediment: 

Bare soil is subject to surface erosion 

and potential sediment delivery to 

adjacent waterbodies. 

Turbidity

 OAR 340-041-0036 

C – 43
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and 

Causal Mechanisms 

Water Quality 

Standards and 

Regulations 

M 17 

When operating during the wet 

season, stabilize disturbed areas 

that will not be mined or used 

for at least 30 days, if needed to 

prevent undue and unnecessary 

degradation. 

Coarse and Fine Sediment: 

Bare soil is subject to surface erosion 

and potential sediment delivery to 

adjacent waterbodies. 

Turbidity

 OAR 340-041-0036

 Salable Minerals

 M 18 

Locate stockpile sites on stable 

ground where the material would 

not move into waterbodies, 

floodplains, and wetlands. 

Coarse and Fine Sediment: 

Placement of soil and rock stockpiles 

on unstable landforms can result in 

landslides with drainage of sedimentladen water to streams. 

Turbidity 

OAR 340-041-0036 

M 19 

Locate, design, and construct 

salable mineral sites to 

minimize sedimentation 

to streams. Close roads, 

excavations and crusher pads 

in accordance with Roads and 

Landings section when the 

salable mineral site is depleted. 

Coarse and Fine Sediment: 

Bare soil is subject to surface erosion 

and potential sediment delivery to 

adjacent waterbodies. 

Turbidity

 OAR 340-041-0036 

M 20 

Avoid development of new quarries 

within Riparian Management 

Areas, unless water quality can be 

maintained. Expansion of existing 

quarries would be designed and 

implemented to maintain water 

quality. 

Coarse and Fine Sediment, and 

Temperature: 

Developed sites can channel 

water and sediment into nearby 

waterbodies. Loss of riparian 

vegetation due to development could 

reduce shade and increase water 

temperature. 

Sedimentation in streams from road 

related runoff can impair aquatic 

habitat. 

Biocriteria 

OAR 340-041-0011 

Temperature

OAR 340-041-0028 

Turbidity

OAR 340-041-0036 

M 21 Use culverts and rip-rap for crusher 

pad drainage when necessary. 

Coarse and Fine Sediment: 

Soil erosion of exposed surfaces with 

potential transport to the channel, 

floodplain, or wetlands. 

Turbidity

 OAR 340-041-0036 

M 22 

Use erosion-reduction practices, 

such as seeding, mulching, 

silt fences, and woody debris 

placement, to limit erosion and 

transport of sediment to streams 

from quarries. Provide drainage 

from stockpiles and mineral sites 

that is dispersed over stable 

vegetated areas rather than 

directly into stream channels. 

Coarse and Fine Sediment: 

Soil erosion of exposed surfaces with 

potential transport to the channel, 

floodplain, or wetlands. 

Turbidity

 OAR 340-041-0036 

Leasable Minerals

 M 23 

Stabilize roads, drill sites, and 

excavation areas to a free 

draining and noneroding condition 

from disturbed areas that are 

constructed or renovated for 

leasable mineral activities (e.g., 

roads, drill sites, and excavation 

areas). 

Coarse and Fine Sediment: 

Bare soil is subject to surface erosion 

and potential sediment delivery to 

adjacent waterbodies. 

Turbidity

 OAR 340-041-0036 

C – 44
 
Water Quality BMP Input Variables and Best Management Practices Standards and Number Causal Mechanisms Regulations 

When operating during the wet Coarse and Fine Sediment: 

season, stabilize disturbed areas Bare soil is subject to surface erosion Turbidity M 24 that will remain inactive for at and potential sediment delivery to OAR 340-041-0036 

least 30 days. adjacent waterbodies. 

Coarse and Fine Sediment: Toxic substances 

Line all mud pits that contain drilling Drilling fluid can leak from unlined OAR 430-041-0033 M 25 fluid to prevent leaking. pits to surface and groundwater Turbidity OAR 340-041-0036 resources. 

Coarse and Fine Sediment: 

Vegetative removal in near stream Limit drill site construction areas of Riparian Management Areas and access through Riparian can decrease shade increasing Temperature Management Areas to established stream temperatures, and increase OAR 340-041-0028 

roadways unless the operator Toxic substances M 26 sediment delivery by overland flow submits a plan that demonstrates OAR 430-041-0033 and disturbance to streambanks. Turbidity that impacts to water quality from the Drilling and equipment fluids OAR 340-041-0036 proposed action can be adequately can negatively impact surface or mitigated. groundwater quality and impair 

aquatic habitat. 

Appendix C - Best Management Practices 

C – 45
 
Coos Bay District ROD and RMP 

Spill Prevention and Abatement 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-10. Best Management Practices For Spill Prevention And Abatement 

BMP 

Number Best Management Practices Input Variables and Causal Mechanisms 

Water Quality 

Standards and 

Regulations

 Heavy Equipment Use 

Inspect and clean heavy equipment 

as necessary prior to moving on to the 

project site, in order to remove oil and 

grease, noxious weeds, and excessive 

soil. 

Inspect hydraulic fluid and fuel lines 

on heavy-mechanized equipment for 

proper working condition. 

Where possible, maintain and 

refuel equipment a minimum of 100 

feet away from streams and other 

waterbodies. 

SP 1 

In the event of a spill or release, 

all reasonable and safe actions to 

contain the material will be taken. 

Specific actions are dependent on 

the nature of the material spilled. 

Use spill containment booms or 

as required by DEQ. Have access 

to booms and other absorbent 

Toxic Substances: 

Contamination of waterbodies from 

equipment leakage. 

Antidegradation 

OAR 340-041-

0004(1) 

Biocriteria 

OAR 340-041-0011 

Statewide Narrative 

OAR 340-041-

containment materials. 0007(1) and (13) 

Toxic Substances 

Immediately remove waste or spilled OAR 340-041-0033 

hazardous materials (including but 

not limited to diesel, oil, hydraulic 

fluid) and contaminated soils near 

any stream or other waterbody, and 

dispose of it/them in accordance with 

the applicable regulatory standard. 

Notify Oregon Emergency Response 

System of any spill over the material 

reportable quantities, and any spill 

not totally cleaned up after 24 hours. 

Store equipment containing 

Reportable Quantities of toxic fluids 

outside of Riparian Management 

Areas. 

C – 46
 
Appendix C - Best Management Practices 

Water Quality BMP Input Variables and Causal Best Management Practices Standards and Number Mechanisms Regulations 

Fuel and Chemical Transport

If more than 42 gallons of fuel or 

 SP 2 

combined quantity of petroleum 

product and chemical substances, as 

project materials,would be transported 

to a project site, the following 

precautions will be implemented. 

1. Plan a safe route and material 

transfer sites so that all spilled 

material will be contained easily at 

that designated location. 

2. Plan an active dispatch system 

that can relay the information to 

appropriate resources. 

3. Ensure a spill containment kit that 

can absorb and contain 55 gallons 

of petroleum product and chemical 

substances is readily available. 

4. Provide for immediate notification to 

OERS in the event of a spill. Have 

a radio-equipped vehicle lead the 

chemical or fuel truck to the project 

site. 

5. Assemble a spill notification list 

that includes the district hazardous 

materials coordinator, DEQ, and spill 

clean-up contractors. 

6. Construct a downstream water user 

contact list with addresses and 

phone numbers. 

7. When operating within Source Water 

watersheds, pre-estimate water flow 

travel times through the watershed 

to predict downstream arrival times. 

8. Be prepared to sample water and 

carry sample containers. 

Be prepared to assist OSP and ODFW 

to assess wildlife impacts of any 

material spilled. 

Toxic Substances: 

Chemical contamination of 

waterbodies. 

Antidegradation 

OAR 340-041-0004(1) 

Biocriteria 

 OAR 340-041-0011 

Statewide Narrative 

OAR 340-041-0007(1) and 

(13) 

Toxic Substances 

OAR 340-041-0033 

Spill Abatement

 SP 3 

Spill Prevention, Control, and 

Countermeasure Plan (SPCC): All 

operators shall develop a modified 

SPCC plan prior to initiating project 

work if there is a potential risk of 

chemical or petroleum spills near water 

bodies. The SPCC plan will include 

the appropriate containers to be used 

and design of the material transfer 

locations. No interim fuel depot or 

storage location other than a manned 

transport vehicle. 

Toxic Substances: 

Chemical or petroleum product 

routing to water bodies. 

[40 CFR 112] 

42 U.S. Gallons for 

reporTable Euantities not 

involving waterways, a visible 

sheen where waterways are 

involved 

C – 47
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and Causal 

Mechanisms 

Water Quality 

Standards and 

Regulations 

SP 4 

Spill Containment Kit (SCK): All 

operators shall have a SCK as 

described in the SPCC plan on-site 

during any operation with potential for 

run-off to adjacent water bodies. The 

SCK will be appropriate in size and 

type for the oil or hazardous material 

carried by the operator. 

Toxic Substances: 

Chemical or petroleum product 

routing to water bodies. 

OAR-340-142-[0030] 

SP 5 

Operators shall be responsible for 

the clean-up, removal, and proper 

disposal of contaminated materials 

from the site. 

Toxic Substances: 

Chemical or petroleum product 

routing to water bodies. 

OAR-340-102-

[inclusive] 

OAR-340-122-

[inclusive] 

C – 48
 
 

Appendix C - Best Management Practices 

Restoration 

See Summary of Oregon Water Quality Standards for additional details about the standards and regulations 

that are associated with the best management practices. 

Table C-11. Best Management Practices For Restoration 

Water Quality BMP Input Variables and Causal Best Management Practices Standards and Number Mechanisms Regulations 

Coarse and Fine Sediment: Accumulation of bottom 

RST 1 

Confine work in the stream channels to 

the low flow period unless a waiver is 

obtained from the permitting agencies. 

Concentrated turbidity and 

sedimentation potential due to 

channel disturbance during low flow 

conditions. 

deposits 

OAR-340-041-0007 

Turbidity 

OAR-340-041-0036 

RST 2 

In stream channels that are sensitive 

to disturbance (e.g., meadow streams), 

do not drive heavy equipment in flowing 

channels and floodplains. 

Coarse and Fine Sediment: 

Disturbance of stream channel and 

streambanks resulting in erosion, 

sedimentation, turbidity, and loss of 

channel stability. 

Accumulation of bottom 

deposits 

OAR-340-041-0007 

Turbidity 

OAR-340-041-0036

 RST 3 

In well armored channels that are 

resistant to damage (e.g., bedrock, 

small boulder, or cobble dominated), 

consider conducting the majority of 

heavy-equipment work from within 

the channel, during low streamflow, to 

minimize damage to sensitive riparian 

areas. 

Coarse and Fine Sediment, and 

Temperature: 

Disturbance of floodplain and 

streambanks resulting in erosion, 

sedimentation, turbidity, and loss of 

stream shade, resulting in a potential 

increase of stream temperature. 

Turbidity 

OAR-340-041-0036 

Water Temperature 

OAR-340-041-0028

 RST 4 

Design access routes for individual work 

sites to reduce exposure of bare soil 

and extensive streambank shaping. 

Coarse and Fine Sediment: 

Soil erosion with potential transport to 

the channel and floodplain. 

Turbidity

 OAR-340-041-0036 

RST 5 

Limit the number and length of 

equipment access points through 

Riparian Management Areas. 

Coarse and Fine Sediment, and 

Temperature: 

Disturbance of floodplain and 

streambanks resulting in erosion, 

sedimentation, turbidity, and loss of 

stream shade, resulting in a potential 

increase of stream temperature. 

Turbidity 

 OAR-340-041-0036 

Water Temperature 

OAR-340-041-0028 

RST 6 

Limit the amount of streambank 

excavation to the minimum necessary 

to ensure stability of enhancement 

structures. Provide isolation from 

flowing water during excavation. Place 

excavated material above the flood 

prone area and cover or place a berm to 

avoid its reentry into the stream during 

high flow events. 

Coarse and Fine Sediment: 

Sedimentation during high flow 

events resulting in erosion, 

sedimentation and turbidity. 

Accumulation of bottom 

deposits 

OAR-340-041-0007 

Turbidity 

OAR-340-041-0036 

RST 7 

Inspect all mechanized equipment daily 

for leaks and clean as necessary to 

help ensure that toxic materials, such as 

fuel and hydraulic fluid, do not enter the 

stream. 

Oil, Gas, and Chemical Fluids: Direct 

entry of oil and gas into waterbody, 

resulting in effects on aquatic life 

Statewide Narrative 

Criteria Oil and Floating 

Solids

 OAR 340-041-0007

 Biocriteria 

 OAR 340-041-0011 

C – 49
 
Coos Bay District ROD and RMP 

BMP 

Number Best Management Practices Input Variables and Causal 

Mechanisms 

Water Quality 

Standards and 

Regulations 

RST 8 Equipment will not be stored in stream 

channels when not in use. 

Oil, Gas, and Chemical Fluids: Direct 

entry of oil and gas into waterbody 

resulting in effects on aquatic life 

Statewide Narrative 

Criteria Oil and Floating 

Solids

 OAR 340-041-0007

 Biocriteria 

 OAR 340-041-0011 

RST 9 

When using heavy equipment in 

or adjacent to stream channels 

during restoration activities, develop 

and implement an approved spill 

containment plan that includes having 

a spill containment kit on-site and 

at previously identified containment 

locations. 

Oil, Gas, and Chemical Fluids: Direct 

entry of oil and gas into waterbody 

resulting in effects on aquatic life 

Statewide Narrative 

Criteria Oil and Floating 

Solids

 OAR 340-041-0007

 Biocriteria 

 OAR 340-041-0011 

RST 10 

Refuel equipment, including chainsaws 

and other hand power tools, at least 

100 feet from water bodies (or as far 

as possible from the water body where 

local site conditions do not allow a 150-

foot setback) to prevent direct delivery 

of contaminants into a water body. 

Oil, Gas, and Chemical Fluids: Direct 

entry of oil and gas into waterbody 

resulting in effects on aquatic life 

Statewide Narrative 

Criteria Oil and Floating 

Solids

 OAR 340-041-0007

 Biocriteria 

 OAR 340-041-0011 

RST 11 

Use waterbars, barricades, seeding, 

and mulching to stabilize bare soil areas 

along project access routes prior to the 

wet season. 

Coarse and Fine Sediment: 

Excessive turbidity and sedimentation 

to downstream areas due to erosion 

of disturbed soils. 

Turbidity

 OAR-340-041-0036 

RST 12 

Rehabilitate and stabilize disturbed 

areas where soil will support seed 

growth by seeding and planting with 

native seed mixes or plants, or using 

erosion control matting. 

Coarse and Fine Sediment: 

Excessive turbidity and sedimentation 

to downstream areas due to erosion 

of disturbed soils. 

Turbidity

 OAR-340-041-0036 

RST 13 

When replacing culverts, install grade 

control structures (e.g., boulder vortex 

weirs or boulder step weirs) where 

excessive scour would occur. 

Coarse and Fine Sediment: 

Excessive turbidity and sedimentation 

to downstream areas due to erosion 

of upstream sand/gravel/cobble 

deposits. 

Accumulation of bottom 

deposits 

OAR-340-041-0007 

Turbidity 

OAR-340-041-0036 

RST 14 Rehabilitate headcuts and gullies. 

Coarse and Fine Sediment: 

Excessive turbidity and sedimentation 

to downstream areas due to erosion 

of upstream sand/gravel/cobble 

deposits. 

Accumulation of bottom 

deposits 

OAR-340-041-0007 

Turbidity 

OAR-340-041-0036 

RST 15 

Install turbidity control structures (e.g., 

isolation, diversion, or silt curtains) 

immediately downstream of in-stream 

restoration work areas. Remove these 

structures following completion of 

turbidity generating activities. 

Coarse and Fine Sediment: 

Excessive turbidity to downstream 

areas generated during instream 

structure placement. 

Turbidity

 OAR-340-041-0036 

C – 50
 
Appendix C - Best Management Practices 

Summary of Oregon Water Quality Standards 

This section summarizes the Oregon standards and regulations for water quality that are associated with 

the best management practices. 

Statewide Narrative Criteria 

The following are the Oregon administrative rules (OARs) for the statewide narrative criteria for water 

quality by name, number, and descriptive excerpt. 

Antidegradation (OAR 340-04l-0004) 

“The purpose of the Antidegradation Policy is to guide decisions that affect water quality such that 

unnecessary further degradation from new or increased point and nonpoint sources of pollution is 

prevented, and to protect, maintain, and enhance existing surface water quality to ensure the full protection 

of all existing beneficial uses.” 

Note: The antidegradation policy applies to all 303(d) listed waterbodies when a project could further 

degrade the water quality. 

Statewide Narrative Criteria Biological Criteria (OAR 340-041-0007) 

“(11) The development of fungi or other growths having a deleterious effect on stream bottoms, fi sh or other 

aquatic life, or that are injurious to health, recreation, or industry may not be allowed.” 

Statewide Narrative Criteria Oil and Floating Solids (OAR 340-041-0007) 

“(14) Objectionable discoloration, scum, oily sheens, or floating solids, or coating of aquatic life with oil 

films may not be allowed.” 

Statewide Narrative Criteria Road Building Waste Materials (OAR 340-041-0007) 

“(9) Road building and maintenance activities must be conducted in a manner so as to keep waste materials 

out of public waters and minimize erosion of cut banks, ,fill s and road surfaces. ”

Statewide Narrative Criteria Sediment, Adverse Deposits(OAR 340- 041-0007) 

“(13) The formation of appreciable bottom or sludge deposits or the formation of any organic or inorganic 

deposits deleterious to fi sh or other aquatic life or injurious to public health, recreation, or industry may not 

be allowed.” 

Statewide Narrative Criteria Summary (OAR 340-041-0007) 

“(1) Notwithstanding the water quality standards contained in this Division, the highest and best practicable 

treatment and/or control of wastes, activities, and flows must in every case be provided so as to maintain 

dissolved oxygen and overall water quality at the highest possible levels and water temperatures, coliform 

bacteria concentrations, dissolved chemical substances, toxic materials, radioactivity, turbidities, color, odor, 

and other deleterious factors at the lowest possible levels.” 

C – 51
 
Coos Bay District ROD and RMP 

Statewide Narrative Criteria Toxics (OAR 340-041-0007) 

“(12) The creation of tastes or odors or toxic or other conditions that are deleterious to fi sh or other aquatic 

life or affect the potability of drinking water or the palatability of fi sh or shellfish may not be allowed.” 

Statewide Numeric Criteria 

The following are the Oregon administrative rules (OARs) for the statewide numeric criteria for water 

quality by name, number, and descriptive excerpt. 

Bacteria (OAR 340-041-0009) 

“(1) Numeric Criteria: Organisms of the coliform group commonly associated with fecal sources (MPN) 

or equivalent membrane filtration using a representative number of samples) may not exceed the criteria 

described in paragraphs (a) and (b) of this paragraph: (a) Freshwaters and Estuarine Waters Other than 

Shellfish Growing Waters: 

(A) A 30-day log mean of 126 E. coli organisms per 100 milliliters, based on a minimum of five (5) samples; 

(B) No single sample may exceed 406 E. coli organisms per 100 milliliters.” 

Biocriteria (OAR 340-041-0011) 

“Waters of the State must be of sufficient quality to support aquatic species without detrimental changes in 

the resident biological communities.” 

Dissolved Oxygen (OAR 340-041-0016) 

“Dissolved oxygen (DO): No wastes may be discharged and no activities must be conducted that either 

alone or in combination with other wastes or activities will cause violation of the following standards: The 

changes adopted by the Commission on January 11, 1996, become effective July 1, 1996. Until that time, the 

requirements of this rule that were in effect on January 10, 1996, apply: 

(1) For waterbodies identified as active spawning areas in the places and times indicated on the 

following tables and figures set out in OAR 340-041-0101 to 340-041-0340: Tables 101B, 

121B, 180B, 201B and 260B, and Figures 130B, 151B, 160B, 170B, 220B, 230B, 271B, 286B, 

300B,310B, 320B, and 340B, (as well as any active spawning area used by resident trout 

species), the Rules of this Division as last modified by the EQC 05/20/2004 following criteria 

apply during the applicable spawning through fry emergence periods set forth in the tables 

and figures: 

(a) The dissolved oxygen may not be less than 11.0 mg/l. However, if the minimum intergravel 

dissolved oxygen, measured as a spatial median, is 8.0 mg/l or greater, then the DO 

criterion is 9.0 mg/l; 

(b) Where conditions of barometric pressure, altitude, and temperature preclude attainment 

of the 11.0 mg/l or 9.0 mg/l criteria, dissolved oxygen levels must not be less than 95 

percent of saturation; 

(c) The spatial median intergravel dissolved oxygen concentration must not fall below 8.0 

mg/l. 

(2) For waterbodies identified by the Department as providing cold-water aquatic life, the 

dissolved oxygen may not be less than 8.0 mg/l as an absolute minimum. Where conditions of 

barometric pressure, altitude, and temperature preclude attainment of the 8.0 mg/l, dissolved 

oxygen may not be less than 90 percent of saturation. At the discretion of the Department, 

when the Department determines that adequate information exists, the dissolved oxygen may 

not fall below 8.0 mg/l as a 30-day mean minimum, 6.5 mg/l as a seven-day minimum mean, 

and may not fall below 6.0 mg/l as an absolute minimum (Table 21); 

C – 52 
Appendix C - Best Management Practices 

(3) For waterbodies identified by the Department as providing cool- water aquatic life, the 

dissolved oxygen may not be less than 6.5 mg/l as an absolute minimum. At the discretion 

of the Department, when the Department determines that adequate information exists, the 

dissolved oxygen may not fall below 6.5 mg/l as a 30-day mean minimum, 5.0 mg/l as a sevenday minimum mean, and may not fall below 4.0 mg/l as an absolute minimum (Table 21); 

(4) For waterbodies identified by the Department as providing warm-water aquatic life, the 

dissolved oxygen may not be less than 5.5 mg/l as an absolute minimum. At the discretion 

of the Department, when the Department determines that adequate information exists, the 

dissolved oxygen may not fall below 5.5 mg/l as a 30-day mean minimum, and may not fall 

below 4.0 mg/l as an absolute minimum (Table 21); 

(5) For estuarine water, the dissolved oxygen concentrations may not be less than 6.5 mg/l (for 

coastal waterbodies).” 

Temperature (OAR 340-041-0028) 

“A. The seven-day-average maximum temperature of a stream identified as having salmon and steelhead 

spawning use may not exceed 55.4 degrees Fahrenheit. 

B. The seven-day-average maximum temperature of a stream identified as having core cold water habitat 

use may not exceed 60.8 degrees Fahrenheit. 

C. The seven-day-average maximum temperature of a stream identified as having salmon and trout 

rearing and migration use may not exceed 64.4 degrees Fahrenheit. 

D. The seven-day-average maximum temperature of a stream identified as having a migration corridor 

use may not exceed 68.0 degrees Fahrenheit.” 

Turbidity (OAR 340-041-0036) 

“No more than a ten percent cumulative increase in natural stream turbidities may be allowed, as measured 

relative to a control point immediately upstream of the turbidity causing activity.” 

C – 53
 
Coos Bay District ROD and RMP 

C – 54
 
Appendix D 

Areas of Critical 

Environmental Concern 

D – 1

Coos Bay District ROD and RMP 

D – 2
 
Appendix D - Areas of Critical Environmental Concern 

Areas of Critical Environmental Concern 

The two tables in this appendix contain detailed information about the Areas of Critical Environmental 

Concern (ACEC) in the Coos bay District. Table D-1 includes information about the categories of Relevant 

and Important Values and any management direction that applies to the areas. Table D-2 contains more 

specific information about the Relevant and Important Values for each ACEC. 

Table D-1. Management Direction For Areas Of Critical Environmental Concern, Coos Bay District 

Management Direction Relevant and 

Off-Highway Locatable/ ACEC Name Important Value Leasable Mineral Vehicle Salable Mineral Timber Harvest Category Designation Entry Entry 

Brownson Ridge Fish and wildlife, 

natural processes 

Limited to 

designated roads 

Open - No Surface 

Occupancy Proposed Closed None 

Cherry Creek RNA Fish and wildlife, 

natural processes Closed Open - No Surface 

Occupancy Proposed Closed None 

China Wall Cultural, natural 

processes 

Closed Open - No Surface 

Occupancy Proposed Closed None 

Euphoria Ridge 

Cultural, fish and 

wildlife, natural 

processes 

Closed Open - No Surface 

Occupancy Proposed Closed None 

Hunter Creek Bog Natural processes Limited to 

designated roads 

Open - No Surface 

Occupancy Proposed Closed 

No scheduled harvest. Selective 

harvest (POC) to restore bog 

habitat. 

New River 

North Fork Chetco 

North Fork Coquille 

River 

Cultural, fish and 

wildlife, natural 

processes 

Cultural, fish and 

wildlife, natural 

processes 

Fish and wildlife, 

natural processes 

Closed (portion)/ 

Limited to 

designated roads 

(portion) 

Limited to 

designated roads 

Limited to 

designated roads 

Open - No Surface 

Occupancy 

Open - No Surface 

Occupancy 

Open - No Surface 

Occupancy 

Proposed Closed 

Proposed Closed 

Proposed Closed 

No scheduled harvest. Selective 

conifer removal to restore 

meadow habitat. 

No scheduled harvest. Possible 

density management thinning 

in young stands to restore latesuccessional conditions and 

produce large wood structure. 

No scheduled harvest. Possible 

density management thinning 

in young stands to restore 

late-successional values and 

produce large wood structure. 

North Fork Hunter 

Creek 

North Spit 

Rocky Peak 

Cultural, fish and 

wildlife, natural 

processes 

Cultural, scenic, fish 

and wildlife, natural 

processes 

Cultural, scenic, fish 

and wildlife, natural 

processes 

Limited to 

designated roads 

Limited to 

designated roads 

Limited to 

designated roads 

Open - No Surface 

Occupancy 

Open - No Surface 

Occupancy 

Open - No Surface 

Occupancy 

Proposed Closed 

Proposed Closed 

Proposed Closed 

No scheduled harvest. 

Clearcutting to restore the 

former extent of bald/meadow 

openings. Thinnings and group 

selections in adjacent stands. 

None 

None 

D – 3
 
Coos Bay District ROD and RMP 

Management Direction Relevant and 

Off-Highway Locatable/ ACEC Name Important Value Leasable Mineral Vehicle Salable Mineral Timber Harvest Category Entry Designation Entry 

No scheduled harvest. 

Clearcutting to restore the Limited to Open - No Surface Roman Nose 

Steel Creek 

Tioga Creek 

Natural processes 

Historic, fish and 

wildlife, natural 

processes 

Fish and wildlife, 

natural processes 

designated roads 

Limited to 

designated roads 

Closed 

Occupancy 

Open - No Surface 

Occupancy 

Open - No Surface 

Occupancy 

Proposed Closed 

Proposed Closed 

Proposed Closed 

former extent of bald/meadow 

openings. Thinnings and group 

selections in adjacent stands. 

No scheduled harvest. Possible 

density management thinning 

in young stands to restore latesuccessional conditions and 

produce large wood structure. 

None 

Upper Rock Creek Fish and wildlife, 

natural processes 

Limited to 

designated roads 

Open - No Surface 

Occupancy Proposed Closed 

No scheduled harvest. Possible 

density management thinning in 

young stands to develop latesuccessional red cedar stand. 

Wassen Creek 

Scenic, fish and 

wildlife, natural 

processes 

Limited to 

designated roads 

Open - No Surface 

Occupancy Proposed Closed 

No scheduled harvest. Possible 

density management thinning 

to restore late successional 

values. 

D – 4
 
Appendix D - Areas of Critical Environmental Concern 

Table D-2. Specific Relevant And Important Values Of ACECs, Coos Bay District 

ACEC Name 

Relevant and Important Value Category 

Historic, Cultural, Scenic Fish and Wildlife Natural Process or System Natural Hazard 

Coos Bay District 

Brownson Ridge 

Marbled murrelet occupied site 

(FT), northern spotted owl (FT) 

known site. 

Well developed Port-Orford-cedar 

stand with all age classes 

Cherry Creek 

RNA 

Northern spotted owl (FT), marbled 

murrelet (FT). 

Fills two (Western hemlock/oxalis; 

Western hemlock/rhododendronOregon-grape) ONHP Coast 

Range Ecological Cells 

China Wall Remnant of historic Brewster Trail; 

prehistoric site. 

Unique plants associated with bald 

meadows; 

Euphoria Ridge 

Old-growth western red cedar 

stand series rare in Coast Range 

at this elevation (potential ONHP 

Coast Range cell) 

Hunter Creek 

Bog 

Fills ONHP Coast Range 

Ecoregion Cell (Port Orford Cedar 

on ultramafic soils). Botany -- 

large, diverse serpentine bog. 

New River Prehistoric sites 

Western snowy plover (FT), 

Northwestern pond turtle (BS). 

Coho, Chinook, cutthroat trout, 

steelhead. 

Fills two ONHP Coastal lowlands 

ecological cells (lacustrine and 

palustrine); special status plants 

-- pink sand verbena (Abronia 

umbellata ssp. breviflora) (BS), 

Calypogeia sphangnicola 

(liverwort)(BS), timwort (Cicendia 

quadrangularis) (BS), russet 

cotton-grass (Eriophorum 

chamissonis) 

(BS), western lily (Lilium 

occidentale )(FE), silvery phacelia 

(Phacelia argentea )(BS) 

North Fork 

Chetco Undisturbed cultural site Anadromous fish habitat -- sea run 

cutthroat trout. 

Oregon myrtle/evergreen shrub 

riparian forest ONHP Coast Range 

cell. 

North Fork 

Coquille River 

High quality, extremely high 

density Coho salmon spawning 

Old-growth riparian Douglas-fir/ 

hardwood community on intact 4th 

order stream 

North Fork 

Hunter Creek 

Historic cabin sites/trail; prehistoric 

sites. 

Important spawning and rearing 

habitat for chinook salmon, 

steelhead, sea-run cutthroat, and 

resident cutthroat trout. 

Undisturbed old-growth Port Orford 

cedar, and oak/grass savannah; 

Hairy manzanita (Arctostaphylos 

hispidula )(BS) 

D – 5
 
Coos Bay District ROD and RMP 

ACEC Name 

Relevant and Important Value Category 

Historic, Cultural, Scenic Fish and Wildlife Natural Process or System Natural Hazard 

North Spit 

Scenic coastal landscapes 

comprised of dunes, deflation plain 

wetlands and Sitka Spruce forest 

islands. Historic US Lifeguard 

Service sites and artifacts, and 

potential prehistoric site. 

Western snowy plover (FT), 

marbled murrelet (FT), 

northwestern pond turtle (BS), 

purple martin (BS). 

Numerous outstanding plant 

associations and wetlands. 

Special status plants: Bryoria 

pseudocapillaris(lichen) (BS), 

Byoria spiralifera (lichen) 

(BS), Point Reyes bird’s-beak 

(Cordylanthes maritimus ssp. 

palustris) (BS), Heterodermia 

leucomela ( lichen) (BS), Niebla 

cephalota (lichen) (BS). 

Rocky Peak 

Historic trail and lookout sites. 

Panoramic views of coastline 

plains, foothills and ocean. 

Habitat for marbled murrelet (FT), 

northern spotted owl (FT), fringed 

myotis (BS), foothill yellow-legged 

frog (BS), spotted tail-dropper 

(BS). 

ONHP Special species Siskiyou 

monardella (Monardella purpurea) 

(BLM Strategic); rare meadow, 

knob-cone pine plant communities. 

Roman Nose 

Outstanding, sweeping views of 

forest landscape from highest 

point in local region 

Outstanding example of Oregon 

Coast Range grassy bald system. 

Steel Creek Portion of historic Brewster Trail 

One of the most productive 

spawning reaches in Coquille 

Basin; supports sea run and 

resident cutthroat trout, chinook, 

coho, steelhead and Pacific 

lamprey. 

Large, structurally complex 

unmanaged and undisturbed latesuccessional forest community 

uncommon in Coast Range. 

Tioga Creek 

High quality stream/riparian 

conditions and spawning habitat 

for coho, steelhead, and cutthroat 

trout. 

Old-growth riparian Douglas-fir/ 

hardwood community on 4th 

order stream with high value as 

reference site. 

Upper Rock 

Creek 

Large red cedar dominated forest 

with sedge dominated wetlands; 

Fills Western red cedar-western 

hemlock/skunk cabbage ONHP 

Coast Range Ecological cell. 

Wassen Creek 

Scenic: Large block of undisturbed 

mid-age forest dissected by creek 

with several waterfalls, plunge 

pools, and small palustrine lake. 

Pure strain of native cutthroat 

trout; northern spotted owl (FT) 

Fills ONHP Coast Range 

Ecoregion Palustrine Wetlands 

pond at mid to high elevation); 

fits two ONHP Western Hemlock 

association cells. 

FT – Federal threatened species; FE – Federal endangered species; FC – Federal candidate species; BS – Bureau sensitive species 

ONHP – Oregon Natural Heritage Program 

D – 6