Oregon Administrative Rules › Chapter 603 - DEPARTMENT OF AGRICULTURE › Division 95 - AGRICULTURAL WATER QUALITY MANAGEMENT PROGRAM › Section 603-095-0010 - Definitions

Current through Register Vol. 63, No. 7, July 1, 2024
Unless otherwise required by the context, as used in this
				Division:
(1) "Active Channel Erosion"
			 means gullies or channels which at the largest dimension have a cross sectional
			 area of at least one square foot and which occur at the same location for two
			 or more consecutive years.
(2)
			 "Adequate vegetative buffer" means an area that is maintained in vegetative
			 cover that maintains at least 70 percent ground cover.
(3) "Agency of this state" has the meaning
			 given in ORS 568.210(1).
(4) "Agricultural use" means the use of land
			 for the raising or production of livestock or livestock products, poultry or
			 poultry products, milk or milk products, fur-bearing animals; or for the
			 growing of crops such as, but not limited to, grains, small grains, fruit,
			 vegetables, forage grains, nursery stock, Christmas trees; or any other
			 agricultural or horticultural use or animal husbandry or any combination
			 thereof. Wetlands, pasture, and woodlands accompanying land in agricultural use
			 are also defined as in agricultural use.
(5) "Agricultural Water Quality Management
			 Area Plan" or "area plan" means a plan for the prevention and control of water
			 pollution from agricultural activities and soil erosion in a management area
			 whose boundaries have been designated under ORS
			 568.909.
(6) "Approved Voluntary Water Quality Farm
			 Plan" or "approved voluntary plan" means a Voluntary Water Quality Farm Plan
			 which has been developed according to standards and specifications developed by
			 the department and which has been approved by the Local Management Agency with
			 jurisdiction in the area for which the plan was developed.
(7) "Best Management Practice" means a
			 practice, or combination of practices, that is determined to be the most
			 effective practicable (including technological, economical, and institutional
			 considerations) means of preventing or reducing the amount of pollution
			 generated by nonpoint sources of pollution to a level compatible with water
			 quality goals. Best Management Practices may include structural and
			 nonstructural practices, conservation practices, and operation and maintenance
			 procedures.
(8) "Confined Animal
			 Feeding Operation" has the meaning given in OAR 603-074-0010.
(9) "Department" means the state Department
			 of Agriculture.
(10) "Designated
			 Management Agency" has the meaning given in OAR 340-042-0030.
(11) "District" or "soil and water
			 conservation district" has the meaning given in ORS
			 568.210.
(12) "Erosion, soil" means the general
			 process by which soils are removed from the surface of the land by the action
			 of water, wind, ice, or gravity.
(13) "Erosion rate, sheet and rill" means the
			 annualized amount of soil material lost from a field or parcel of land due to
			 sheet and rill erosion, expressed in tons of soil eroded per acre per year, and
			 calculated according to the Universal Soil Loss Equation (USLE) or the Revised
			 Universal Soil Loss Equation (RUSLE).
(14) "Erosion, rill" means an erosion process
			 in which numerous small channels only several inches deep are formed and which
			 occurs mainly on recently disturbed soils. The small channels formed by rill
			 erosion would be obliterated by normal smoothing or tillage
			 operations.
(15) "Erosion, sheet"
			 means the removal of a fairly uniform layer of soil from the land surface by
			 runoff water.
(16) "Erosion,
			 streambank" means erosion within a perennial stream or river which is caused by
			 the action of water flowing in a concentrated stream acting against the soil
			 confining its flow.
(17) "Excessive
			 soil loss" means soil loss that is greater than the standards set forth in
			 Oregon Administrative Rules adopted by the Oregon Department of Agriculture to
			 implement any Agricultural Water Quality Management Area Plan adopted pursuant
			 to ORS 568.900 through
			 568.933. Excessive soil loss may
			 be evidenced by sedimentation on the same parcel of land, on adjoining land, in
			 wetlands or a body of water, or by ephemeral, active channel, or streambank
			 erosion; or by calculations using the USLE or RUSLE showing soil loss exceeding
			 the soil loss tolerance factor.
(18) "Field Office Technical Guide" means the
			 localized document currently used by the soil and water conservation district
			 and developed by the United States Department of Agriculture, Natural Resources
			 Conservation Service which provides:
(a) Soil
			 descriptions;
(b) Sound land use
			 alternatives;
(c) Adequate
			 conservation treatment alternatives;
(d) Standards and specifications of
			 conservation practices;
(e)
			 Conservation cost-return information;
(f) Practice maintenance
			 requirements;
(g) Soil erosion
			 prediction procedures; and
(h) A
			 listing of local natural resource related laws and
			 regulations.