reglab/statecodes huggingface dataset:
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9544 - "Individual permit" defined

Current through June 11, 2024
"Individual permit" means a permit to operate an on-site
				  sewage disposal system that:
1.
				Handles more than 15,000 gallons of flow per day;
2. Receives flows other than domestic
				sewage;
3. Uses surface disposal;
				or
4. Serves as a cluster
				system.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9546 - "Industrial waste" defined

Current through June 11, 2024
"Industrial waste" means any liquid, gaseous, radioactive or
				  solid waste substance, or combination thereof, resulting from any process of
				  industry, manufacturing, trade or business or from the development or recovery
				  of any natural resource.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9548 - "Long-term acceptance rate" defined

Current through June 11, 2024
"Long-term acceptance rate" means the volume of wastewater
				  that can be applied to a square foot of soil each day, over an indefinite
				  period, such that the wastewater is properly treated and the effluent is
				  absorbed. The rate is dependent upon the most restrictive percolation rate and
				  the texture of the soil to a depth of 4 feet below the proposed bottom of the
				  absorption area.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.955 - "Nitrogen management area" defined

Current through June 11, 2024
"Nitrogen management area" means an area that has been
				  identified by the Division with levels of nitrogen that are at or approaching 5
				  milligrams per liter measured as total nitrogen in the groundwater or surface
				  water.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9552 - "Nitrogen removal wastewater treatment unit" defined

Current through June 11, 2024
"Nitrogen removal wastewater treatment unit" means a
				  treatment unit that significantly reduces the total nitrogen level of effluent
				  through biological denitrification, chemical reduction or ion exchange.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9554 - "Nitrogen restricted area" defined

Current through June 11, 2024
"Nitrogen restricted area" means an area that has been
				  identified by the Division as having levels of nitrogen that are at or
				  approaching 10 milligrams per liter measured as total nitrogen in the
				  groundwater or surface water.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9556 - "On-site sewage disposal system" defined

Current through June 11, 2024
"On-site sewage disposal system" means any existing or
				  proposed on-site system for the treatment and disposal of domestic sewage,
				  including, without limitation, a standard subsurface, alternative or
				  experimental sewage disposal system that may include a treatment unit and an
				  effluent absorption system. The term includes a Class V well as set forth in
				  subsection 10 of NAC 445A.849. The term does not include an individual sewage
				  disposal system as defined in NAC 444.764, a package plant for sewage treatment
				  as defined in NRS
				  NRS
				  445A.380, or a system designed to treat and
				  dispose of industrial waste.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9558 - "Percolation test" defined

Current through June 11, 2024
"Percolation test" means a procedure to determine the
				  relatively constant rate, calculated in minutes per inch, at which clear water
				  maintained at a constant depth seeps out of a standard-sized test hole that has
				  been previously saturated.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.956 - "Person" defined

Current through June 11, 2024
"Person" means any natural person, corporation, association,
				  firm, partnership, joint-stock company, public or municipal corporation,
				  political subdivision, the State or any agency thereof, or the Federal
				  Government and any agency thereof.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9562 - "Pressure distribution system" defined

Current through June 11, 2024
"Pressure distribution system" means any effluent absorption
				  system designed to uniformly distribute septic tank or other treatment unit
				  effluent under pressure into an effluent absorption system.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9564 - "Projected daily sewage flow" defined

Current through June 11, 2024
"Projected daily sewage flow" means the peak quantity of
				  sewage a facility is estimated to produce on a daily basis and upon which the
				  sizing and design of the on-site sewage disposal system is based.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9566 - "Sand filter" defined

Current through June 11, 2024
"Sand filter" means a portion of an effluent absorption
				  system with 2 feet or more of sand or any other filter media designed to
				  chemically and biologically process septic tank or other treatment unit
				  effluent from a pressure distribution system operated on an intermittent
				  basis.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9568 - "Sand filter system" defined

Current through June 11, 2024
"Sand filter system" means an alternative effluent absorption
				  system that uses:
1. A dosing system
				with an effluent pump and controls or a dosing siphon, piping and fittings;
				and
2. An absorption system which
				includes a sand filter.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.957 - "Total suspended solids" defined

Current through June 11, 2024
"Total suspended solids" means the total amount of filterable
				  solids in a water sample, measured in milligrams per liter.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9572 - "Treatment unit" defined

Current through June 11, 2024
"Treatment unit" means a septic tank or other system designed
				  to treat sewage before its release into an effluent absorption system.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9574 - "Vector attraction" defined

Current through June 11, 2024
"Vector attraction" means the natural attraction of living
				  organisms, including, without limitation, insects, rodents and birds, that are
				  capable of transmitting a pathogen from one organism to another, to sewage,
				  effluent or other by-products of the sewage disposal process.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9576 - "Waters of the State" defined

Current through June 11, 2024
"Waters of the State" has the meaning ascribed to it in NRS
				  NRS
				  445A.415.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.959 - Purpose

Current through June 11, 2024
1. The purpose of NAC 445A.950 to 445A.9706,
				inclusive, is to prescribe the requirements for on-site sewage disposal systems
				for the protection of the public health, safety and welfare of the people of
				the State of Nevada.
2. The
				provisions set forth in NAC 445A.950 to 445A.9706, inclusive, are intended to:
(a) Protect the public health and
				safety;
(b) Prevent contamination
				of any drinking water supply, aquifer or other waters of the State;
(c) Prevent odors and vector attraction;
				and
(d) Provide guidance to owners
				and operators of on-site sewage disposal systems and to design
				engineers.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9592 - Adoption of publications by reference

Current through June 11, 2024
The following publications are hereby adopted by
				  reference:
1. The
Uniform
				Plumbing Code
, 2006 edition, published by the International
				Association of Plumbing and Mechanical Officials. A copy of this publication is
				available by mail from the International Association of Plumbing and Mechanical
				Officials, 20001 Walnut Drive South, Walnut, California 91789-2825, by
				telephone at (800) 854-2766 or at the Internet address
http://www.iapmostore.org/
, for
				the price of $93.
2.
Design
				Manual: On-site Wastewater Treatment and Disposal Systems
, published
				by the United States Environmental Protection Agency, October 1980, document
				number EPA 625/1-80-012, which is available free of charge at the Internet
				address
http://www.epa.gov/NRMRL/pubs/625180012/625180012.htm
.
3. The
On-site Wastewater Treatment
				Systems Manual
, published by the United States Environmental
				Protection Agency, February 2002, document number EPA 625/R-00/008, which is
				available free of charge at the Internet address
http://www.epa.gov/nrmrl/pubs/625r00008/625r00008.htm
.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › General Provisions › Section 445A.9594 - Administrative authority may develop its own regulations under certain circumstances

Current through June 11, 2024
1. An
				administrative authority that enters into an agreement with the Division to
				regulate on-site sewage disposal systems within the jurisdiction of the
				administrative authority may develop its own regulations for such
				systems.
2. Regulations developed
				by an administrative authority pursuant to subsection 1 must be at least as
				stringent as NAC 445A.950 to 445A.9706, inclusive.
3. An administrative authority that regulates
				on-site sewage disposal systems pursuant to subsection 1 shall provide an
				annual report to the Division listing all on-site sewage disposal systems
				operating in the jurisdiction of the administrative authority.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425,
					 445A.490
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.960 - Division assumes no responsibility for successful operation of system; permit is revocable privilege

Current through June 11, 2024
The Division, by review and approval of the plans and
				  specifications for an on-site sewage disposal system and the issuance of a
				  permit pursuant to NAC 445A.950 to 445A.9706, inclusive, assumes no
				  responsibility for the successful operation of that system. Ensuring that such
				  a system will operate satisfactorily is the responsibility of the design
				  engineer and the person constructing and operating the system. Any permit
				  issued pursuant to NAC 445A.950 to 445A.9706, inclusive, is a revocable
				  privilege, and the holder of such a permit does not acquire thereby any vested
				  right.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425,
					 445A.490
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9604 - Exemptions

Current through June 11, 2024
Except as otherwise provided in this section, the Division or
				  other administrative authority may grant an exemption from any provision of NAC
				  445A.950 to 445A.9706, inclusive, to the holder of a permit to operate an
				  on-site sewage disposal system if the exemption:
1. Is justified in writing and is signed and
				stamped by a design engineer;
2.
				Involves an advance in technology, an improvement in materials or an
				alternative method of construction, operation or maintenance that, as
				determined by the Division or other administrative authority, is not
				detrimental to the public health and safety; and
3. Provides for a level of protection for the
				environment that, as determined by the Division or other administrative
				authority, is similar to or greater than that provided by NAC 445A.950 to
				445A.9706, inclusive.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425,
					 445A.500
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9606 - Order limiting or prohibiting construction authorized in certain circumstances; designation of nitrogen management areas by Division

Current through June 11, 2024
1. Whenever the Division or other
				administrative authority determines that the construction of an on-site sewage
				disposal system should be limited or prohibited in a specific area for reasons
				including, without limitation, high groundwater, shallow bedrock, extreme
				slope, or designation as a nitrogen management area or a nitrogen restricted
				area, the Division or other administrative authority shall issue an order
				limiting or prohibiting that construction. In addition, the Division or other
				administrative authority shall not permit the construction or operation of an
				on-site sewage disposal system where an area-wide management plan, prepared
				pursuant to section 208 of the Clean Water Act,
				33 U.S.C. §
										1288, prohibits such a system.
2. The Division is responsible for the
				designating of nitrogen management areas. New or altered nitrogen management
				area boundaries will be delineated only after the Division and the appropriate
				local government have met and concurred on the boundary description.
3. If the Division designates an area as a
				nitrogen management area:
(a) Standard septic
				tank and absorption area systems will not be permitted by the Division, and any
				new construction of an on-site sewage disposal system will require installation
				of a nitrogen removal treatment system; and
(b) The Division shall notify the appropriate
				local governing agency in writing of the designation of the nitrogen management
				area, the consequences of such a designation, the impact such a designation
				will have on future subdivision approval and the fact that continued elevation
				of the level of nitrates in groundwater in the area may result in a designation
				as a nitrogen restricted area.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9608 - Letter of approval to construct, alter or expand system: Required provisions

Current through June 11, 2024
1. A letter of
				approval must be obtained from the Division or other administrative authority
				to construct, alter or expand an on-site sewage disposal system. Construction
				must not commence until the design specifications have been approved in writing
				by the Division or other administrative authority. A request for a letter of
				approval is also a request for the on-site sewage disposal system to be
				included under a general or individual permit, as applicable. Coverage under a
				general or individual permit must not begin until the design engineer submits
				the certificate of completion and the Division or other administrative
				authority grants the permit.
2. A
				request for a letter of approval to construct, alter or expand an on-site
				sewage disposal system must outline the scope of the proposed construction and
				provide an analysis of the capability of the disposal area to adequately treat
				and dispose of the proposed sewage quantities from the system. The request must
				include:
(a) The name, address and current
				telephone number of the applicant;
(b) The legal description of the property,
				including, without limitation, the lot and block number, township, range
				section and assessor's parcel number;
(c) An engineering report bearing the
				signature and original stamp of a design engineer;
(d) A plot plan bearing the signature and
				original stamp of a design engineer; and
(e) Design specifications for the on-site
				sewage disposal system bearing the signature and original stamp of a design
				engineer.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.961 - Letter of approval to construct, alter or expand system: Engineering report

Current through June 11, 2024
1. The engineering
				report required pursuant to NAC 445A.9608 must include, without limitation, a
				soils analysis performed by a qualified person approved by the Division or
				other administrative authority, including, without limitation, a design
				engineer, a soils scientist or a geologist. The soils analysis must include,
				without limitation:
(a) Data from a
				percolation test pursuant to NAC 445A.9668, from a minimum of two test holes in
				the area of the proposed effluent absorption system, unless an alternative
				investigation of soil characteristics pursuant to NAC 445A.967 is used. If an
				alternative investigation of soil characteristics is performed, the results of
				that investigation must be included in the soils analysis.
(b) Soil logs from at least one test pit
				excavated to a minimum depth of 5 feet below the bottom of the proposed
				absorption system. The soil logs must describe the soil in accordance with
				sections 28 through 30, Figure 29-1, Table 29-1 and Appendix A of
Design Manual: On-site Wastewater Treatment and Disposal
				Systems
, as adopted by reference in NAC 445A.9592. The soil logs must
				include notations relating to impervious barriers, bedrock, fractures, areas of
				open solution, clay, caliche or other limiting factors. The depth to the
				seasonal high groundwater, as observed as the surface of free water or as
				indicated by mottling or historical documentation, must also be included in the
				soil logs.
(c) Verification by the
				design engineer, soils scientist or geologist of the depth of the high
				groundwater and bedrock, areas susceptible to flooding, the ground slope and
				the results of percolation tests, including, without limitation, a
				morphological study of soil conditions with particular reference to soil color
				and sequence of horizons. In addition:
(1) If
				the natural soil condition has been altered by filling or other attempts to
				improve wet areas, the Division or other administrative authority may require
				the verification by the design engineer, soils scientist or geologist to
				include observation of high groundwater levels under saturated soil
				conditions.
(2) If the natural soil
				condition has been altered by filling or other attempts to improve the
				percolation rate of the soil, the Division or other administrative authority
				may require the verification by the design engineer, soils scientist or
				geologist to include a determination of whether the fill material is suitable
				for an on-site sewage disposal system.
(d) The long-term acceptance rate of the
				soil, as referenced in the table set forth in NAC 445A.9674.
(e) If required by the Division or other
				administrative authority pursuant to paragraph (b) of subsection 3 of NAC
				445A.9602, a groundwater mounding analysis.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9612 - Letter of approval to construct, alter or expand system: Plot plan

Current through June 11, 2024
The plot plan required pursuant to NAC 445A.9608 must
				  include:
1. The title and date of the
				plot plan and the scale to which the plot plan is drawn, with the direction
				north clearly indicated.
2. A map
				of the area in which the on-site sewage disposal system will be located,
				indicating the location of roads and streets and the dimensions of the
				lot.
3. The location of and
				distance to wells and sewage systems, if any, on surrounding lots. If
				surrounding lots are vacant, the plot plan must so indicate.
4. The distance to any watercourse that is
				within 500 feet of the proposed on-site sewage disposal system, including,
				without limitation, any pond, lagoon or stream. If there are no watercourses,
				the plot plan must so indicate.
5.
				The location of each percolation test hole, excavated pit or boring test
				hole.
6. The location and depth of
				each proposed or actual well on the property, including the depth of casing and
				surface grout seal. Logs for all existing wells on the property must be
				submitted as part of the plot plan.
7. Each component of the on-site sewage
				disposal system, which must be marked and located at specified distances in
				units of feet.
8. The distance to
				any public or private sewage collection lines located within 200 feet of the
				site. If there are no public or private sewage collection lines within 200 feet
				of the site, the plot plan must so indicate.
9. The maximum slope across the proposed
				effluent absorption system area.
10. The location of any water supply lines,
				building sewer lines and other underground utilities.
11. The location and dimensions of any
				structures, paved areas, driveways, trees and patios.
12. The location of the water source to be
				used by the on-site sewage disposal system, including, without limitation, a
				well or other source.
13. The
				location and dimensions of the proposed backup effluent absorption
				area.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9614 - Letter of approval to construct, alter or expand system: Design specifications

Current through June 11, 2024
1. The design
				specifications required pursuant to NAC 445A.9608 must include evidence that
				the proposed design for the on-site sewage disposal system is prepared in
				accordance with NAC 445A.950 to 445A.9706, inclusive, and any other design
				criteria justified by the design engineer.
2. The design specifications must be based on
				the information provided in the engineering report and the plot plan prepared
				pursuant to NAC 445A.961 and 445A.9612.
3. The design specifications must include,
				without limitation:
(a) A general statement
				as to the suitability of the site for the disposal of sewage and the advantages
				of the design proposed.
(b) A
				system design that meets the requirements for setbacks and cleanouts pursuant
				to NAC 445A.965 and 445A.9652.
(c)
				Specifications for a treatment system, including, without limitation, a septic
				tank or an aerobic wastewater treatment unit, designed pursuant to NAC
				445A.9654 to 445A.9662, inclusive.
(d) Specifications for an effluent absorption
				system, including, without limitation, an absorption trench system or chamber
				system, designed pursuant to NAC 445A.9666 to 445A.969, inclusive.
(e) A draft operations and maintenance manual
				prepared pursuant to NAC 445A.970.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9616 - Information that demonstrates any new innovative technologies, materials or designs for system or component of system that achieves equal or greater performance than system that meets general requirements

Current through June 11, 2024
1. The
				design engineer may provide to the Division or other administrative authority
				any information that demonstrates any new or innovative technologies, materials
				or designs for a proposed on-site sewage disposal system or a proposed
				component of such a system that achieves equal or greater performance than a
				system that meets the requirements of NAC 445A.950 to 445A.9706, inclusive. The
				Division or other administrative authority may require independent verification
				of any proposed new innovative technologies, materials or designs.
2. The Division or other administrative
				authority may approve the use of any technology, material or design specified
				in subsection 1 if the Division or other administrative authority determines
				that the proposed system or component will protect the public health and safety
				and the waters of the State as effectively as systems or components authorized
				in NAC 445A.950 to 445A.9706, inclusive.
3. The Division or other administrative
				authority shall deny a request for approval of any new or innovative
				technologies, materials or designs for a proposed on-site sewage disposal
				system or a proposed component of such a system:
(a) If the proposed system or component:
(1) Fails to achieve equal or better
				performance than specific systems or components authorized in NAC 445A.950 to
				445A.9706, inclusive;
(2) Fails to
				address site or system conditions as satisfactorily as or more satisfactorily
				than specific systems or components authorized in NAC 445A.950 to 445A.9706,
				inclusive;
(3) Is insufficiently
				justified based upon the information provided by the design engineer;
				or
(4) Requires excessive review
				time, research or specialized expertise by the Division or other administrative
				authority to act on the request; or
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9618 - Inspection of construction during critical phases by design engineer; certificate of completion

Current through June 11, 2024
1. The design
				engineer shall inspect the construction of the proposed on-site sewage disposal
				system during critical phases of construction, including, without limitation,
				installation of the treatment unit, excavation of the absorption area and
				installation of the drain media or other effluent absorption system.
2. The design engineer shall issue a
				certificate of completion for the on-site sewage disposal system when he or she
				determines that the system complies with all applicable requirements of NAC
				445A.950 to 445A.9706, inclusive, and any additional conditions required by the
				Division or other administrative authority. The Division or other
				administrative authority may request that photographic documentation of the
				phases of construction be submitted together with the certificate of
				completion.
3. A permit must not be
				issued until the certificate of completion, bearing the original stamp and
				signature of the design engineer, and the appropriate fees, if any, required
				pursuant to NAC 445A.963 or by an administrative authority have been received
				by the Division or other administrative authority.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425,
					 445A.430,
					 445A.475,
					 445A.500
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.962 - Nature and duration of permit; when system deemed to have failed; prohibited activities

Current through June 11, 2024
1. A permit issued
				by the Division or other administrative authority pursuant to NAC 445A.950 to
				445A.9706, inclusive, authorizes the holder of the permit to operate an on-site
				sewage disposal system. Except as otherwise provided in
				NRS
				445A.495, a permit is valid until:
(a) The on-site sewage disposal system fails;
				or
(b) A public or community
				sewerage system is installed to service the area.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9622 - Modification, revocation, suspension or cancellation of permit

Current through June 11, 2024
1. Except as otherwise provided in
				NRS
				445A.600, the Division or other
				administrative authority may modify, revoke, suspend or cancel a permit at any
				time upon a determination by the Division or other administrative authority
				that the on-site sewage disposal system endangers the public health and safety
				or the environment and can only be regulated to acceptable levels by
				modification, revocation, suspension or cancellation of the permit.
2. The holder of a permit shall furnish to
				the Division or other administrative authority, within a period specified by
				the Division or other administrative authority, any information which may be
				requested by the Division or other administrative authority to determine
				whether cause exists pursuant to subsection 1 for modifying, revoking,
				suspending or cancelling the permit or to determine whether the holder is in
				compliance with the conditions of the permit.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425,
					 445A.500,
					 445A.515
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9624 - Request for letter of approval to construct or application for permit to operate system: Denial by Division or other administrative authority

Current through June 11, 2024
1. Except as otherwise provided in this
				section, a request for a letter of approval to construct or an application for
				a permit to operate an on-site sewage disposal system submitted to the Division
				or other administrative authority must be denied if:
(a) The Division or other administrative
				authority determines that the proposed system will not comply with NAC 445A.950
				to 445A.9706, inclusive;
(b) The
				proposed system is located within an area which is currently part of a plan
				prepared pursuant to section 208 of the Clean Water Act of 1977,
				33 U.S.C. §
											1288, prohibiting the use of on-site sewage
				disposal systems;
(c) The proposed
				system is located within an area for which the Division has issued a moratorium
				on on-site sewage disposal systems; or
(d) A public or community sewerage system,
				which includes in its jurisdiction the property where the proposed on-site
				sewage disposal system is located, is available, except that a letter of
				approval or permit may be granted by the Division or other administrative
				agency if the public or community sewerage system approves, in writing, the
				construction or operation of the proposed on-site sewage disposal
				system.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9626 - Request for letter of approval to construct or application for permit to operate system: Procedure for review of actions taken by Division or other administrative authority

Current through June 11, 2024
Except as otherwise provided in NRS
				  NRS
				  445A.605 and
				  445A.610:
1. A person who submits a request for a
				letter of approval to construct or an application for a permit to operate an
				on-site sewage disposal system pursuant to NAC 445A.950 to 445A.9706,
				inclusive, and who believes an action taken by the Division or other
				administrative authority is incorrect may, within 10 business days after
				receiving a notice of the action, request an informal discussion with the
				employee responsible for the action, together with the immediate supervisor of
				that employee.
2. If the aggrieved
				person does not believe the informal discussion resolves the situation, that
				person may, within 10 business days after the informal discussion, submit a
				written request to the Division for a formal conference. The formal conference
				must be scheduled for a date, time and place mutually agreed upon by the
				aggrieved person and the Division, except that the conference must be held not
				later than 60 days after the date the Division received the request. The
				Administrator or the Administrator's appointee shall preside over the formal
				conference. The Division shall issue a determination, in writing, within 60
				days after the formal conference.
3. The determination of the Division
				resulting from the formal conference may be appealed to the Director in writing
				within 10 days after receipt of the determination. The Director shall review
				the information provided in the formal conference and issue a determination not
				later than 60 days after the date on which the appeal was requested.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9628 - Request to alter design or increase capacity of existing system; request for extension of time to complete construction; issuance of new general permit upon completion of construction

Current through June 11, 2024
1. A person shall
				not alter the design or increase the capacity of an existing on-site sewage
				disposal system without first obtaining a letter of approval from the Division
				or other administrative authority. The owner or operator must submit for
				approval:
(a) A statement justifying the
				alteration or increase, including, without limitation, any historical data
				indicating water meter readings or occupancy loads or other data requiring a
				change in the flow or design of the existing system; and
(b) If a new or altered treatment unit or
				effluent absorption area is proposed, the design specifications of the proposed
				system as required pursuant to NAC 445A.9614. The design specifications must
				bear the signature and original stamp of a design engineer.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9632 - Annual reports

Current through June 11, 2024
An owner or operator of an on-site sewage disposal system
				  shall submit annually all reports as specified in the permit. In addition to
				  the information required by the permit, each annual report must include a
				  written certification prepared by a maintenance provider indicating
				  that:
1. The system has been
				maintained in accordance with NAC 445A.950 to 445A.9706, inclusive;
2. The system is operating in accordance with
				the approved design specifications and the operations and maintenance manual
				prepared pursuant to NAC 445A.970; and
3. Testing samples required by the permit or
				the operations and maintenance manual, if any, have been analyzed and the
				results submitted to the Division or other administrative authority.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425,
					 445A.450
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Permits for Construction, Alteration or Expansion of Systems › Section 445A.9634 - Transfer of permit to new owner or operator of system

Current through June 11, 2024
A permit may be transferred to a new owner or operator of the
				  on-site sewage disposal system upon application to the Division or other
				  administrative authority. Until notice is given by the Division or other
				  administrative authority that a permit is transferred, the owner or operator
				  set forth on the face of the most recently issued or renewed permit is
				  responsible for complying with NAC 445A.950 to 445A.9706,
				  inclusive.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Operation and Monitoring of Systems › Section 445A.965 - Setbacks

Current through June 11, 2024
1. The setbacks, defined as the minimum
				horizontal separation, that must be maintained between the perimeter of the
				specific components of an on-site sewage disposal system and the listed
				features include:
Minimum Horizontal Distance, in clear, required
							 from:
Building Sewer Drain
Septic or other Treatment Tank
Disposal Field
Building or structure
-
10'
10'
Property lines
10'
10'
10'
Water supply wells - domestic (sealed to 50 feet)
50'
100'
100'
Water supply wells (not sealed to 50 feet)
50'
100'
150'
Public water supply wells
50'
150'
150'
Streams or watercourses
50'
100'
100'
Drainage channels or irrigation ditches
25'
25'
25'
Trees that may affect the disposal area (roots, shade,
							 etc.)
-
10'
10'
Disposal fields
-
5'
-
Community water main line
10'
25'
25'
Individual water service line
10'
25'
25'
Dry wells
-
10'
25'
2.
				The Division or other administrative authority may increase the minimum
				distance specified in subsection 1 between a well and any component of an
				on-site sewage disposal system based on considerations which include, without
				limitation:
(a) The depth to the water
				table;
(b) The soil
				profile;
(c) The results of a
				groundwater mounding analysis, if required pursuant to NAC 445A.9602;
(d) A site located in a nitrogen management
				area; or
(e) A site located in a
				wellhead protection area as designated by the staff of the Groundwater
				Protection Branch of the Bureau of Water Pollution Control of the
				Division.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Operation and Monitoring of Systems › Section 445A.9652 - Cleanouts

Current through June 11, 2024
A cleanout which conforms to the
Uniform Plumbing
				  Code
, as adopted by reference in NAC 445A.9592, must be installed
				  between each building drain and each sewer line which leads to an on-site
				  sewage disposal system. The cleanout must be located within 3 feet of the
				  structure, or as close as practical if the design engineer determines that it
				  cannot be placed within 3 feet of the structure. At least one additional
				  cleanout must be placed for every 100 feet of sewer line, and at least one
				  additional cleanout must be placed for each aggregate change in the direction
				  of the sewer line in excess of 90 degrees.
Added to NAC by
				  Environmental Comm'n by R194-07, eff. 8-26-2008
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Operation and Monitoring of Systems › Section 445A.9654 - Treatment of domestic sewage; pretreatment of sewage

Current through June 11, 2024
1. Domestic sewage flowing to an on-site
				sewage disposal system must be treated by a treatment unit such as a septic
				tank, an aerobic wastewater treatment unit, a nitrogen removal wastewater
				treatment unit or other treatment unit approved by the Division or other
				administrative authority pursuant to NAC 445A.9654 to 445A.9662,
				inclusive.
2. The Division or other
				administrative authority may require pretreatment of sewage entering the
				treatment unit of an on-site sewage disposal system if the sewage contains:
(a) A biochemical oxygen demand of more than
				250 milligrams per liter;
(b) Total
				suspended solids of more than 150 milligrams per liter; or
(c) Total oil and grease of more than 20
				milligrams per liter.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Operation and Monitoring of Systems › Section 445A.9658 - Septic tanks: General requirements

Current through June 11, 2024
1. A septic
				tank included as part of an on-site sewage disposal system must:
(a) Be constructed of durable materials
				designed to withstand expected physical loads and corrosive forces.
(b) Be verified watertight by a test during
				installation.
(c) Be installed so
				that the tank is level.
(d) Be
				designed to provide for the settling of solids, the accumulation of sludge and
				scum, and access for cleaning.
(e)
				Meet the requirements of the
Uniform Plumbing Code
, ASTM
				International, or other recognized construction code or design manual for the
				construction of septic tanks, as referenced by the design engineer.
(f) Conform to guidelines established by the
				Division.
(g) Have a liquid depth
				of at least 36 inches. A liquid depth of more than 6 feet must not be
				considered in determining tank capacity.
(h) Have at least 12.5 percent of the tank
				volume for scum storage, with a minimum airspace of 9 inches.
(i) Except as otherwise provided in
				subsection 4, have two compartments. The capacity of the inlet compartment must
				not be less than two-thirds of the total capacity of the tank.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Operation and Monitoring of Systems › Section 445A.966 - Aerobic wastewater treatment unit

Current through June 11, 2024
1. If the Division
				or other administrative authority determines that the degradation of
				groundwater or the constraints of the site of the on-site sewage disposal
				system require an effluent which is of a higher quality than that which would
				be produced by a septic tank, the Division or other administrative authority
				may require that the on-site sewage disposal system include an aerobic
				wastewater treatment unit.
2. The
				owner of an on-site sewage disposal system that will include an aerobic
				wastewater treatment unit must include in the design specifications submitted
				to the Division or other administrative authority a manual for the operation
				and maintenance of the aerobic wastewater treatment unit.
3. The owner of an on-site sewage disposal
				system that will include an aerobic wastewater treatment unit must include in
				the design specifications submitted pursuant to NAC 445A.9614 a maintenance
				agreement with a service provider that covers the anticipated life span of the
				on-site sewage disposal system. The maintenance agreement must include, without
				limitation, provisions for an annual inspection of the system and its
				components which verifies that the system is:
(a) Operating correctly; and
(b) Producing effluent which has average
				daily maximum levels of 30 milligrams per liter or less each of total suspended
				solids and biochemical oxygen demand.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Operation and Monitoring of Systems › Section 445A.9662 - Nitrogen removal wastewater treatment unit

Current through June 11, 2024
1. If
				the Division or other administrative authority determines that the degradation
				of groundwater or the constraints of the site of the on-site sewage disposal
				system require effluent which is of a higher quality than that which would be
				provided by a septic tank, the Division or other administrative authority may
				require that the on-site sewage disposal system include a nitrogen removal
				wastewater treatment unit.
2. A
				detailed hydrogeological study must be submitted by the design engineer which
				demonstrates that a nitrogen removal wastewater treatment unit will not
				increase the total nitrogen concentration to more than 5 milligrams per liter
				in the groundwater beneath the site or at any down-gradient location.
3. A nitrogen removal wastewater treatment
				unit that produces effluent with a total nitrogen concentration of 20
				milligrams per liter or more may not be approved by the Division or other
				administrative agency for use in areas where it has been documented that the
				total nitrogen concentration of the groundwater is 10 milligrams per liter or
				more.
4. The owner of an on-site
				sewage disposal system that will include a nitrogen removal wastewater
				treatment unit must include in the design specifications pursuant to NAC
				445A.9614 a manual for the operation and maintenance of the nitrogen removal
				wastewater treatment unit.
5. The
				owner of an on-site sewage disposal system that will include a nitrogen removal
				wastewater treatment unit must include in the design specifications submitted
				pursuant to NAC 445A.9614 a maintenance agreement with a service provider that
				covers the anticipated life span of the on-site sewage disposal system. The
				maintenance agreement must include, without limitation, provisions for an
				annual inspection of the system and its components which verifies that the
				system is:
(a) Operating correctly;
				and
(b) Producing effluent which
				has total nitrogen concentrations of 20 milligrams or less per liter.
Nevada Administrative Code › Chapter 445A - Water Controls › ON-SITE SEWAGE DISPOSAL SYSTEMS › Operation and Monitoring of Systems › Section 445A.9664 - Dosing tanks

Current through June 11, 2024
1. Dosing tanks are
				required where:
(a) It is necessary to raise
				the elevation of wastewater for further treatment or disposal of
				sewage;
(b) Intermittent dosing of
				the disposal field is desirable;
(c) A pressure distribution system is
				used;
(d) More than 500 linear feet
				of absorption trench is required for the on-site sewage disposal system;
				or
(e) Soil conditions exist that
				require dosing, as determined by the design engineer or the Division or other
				administrative authority.