reglab/statecodes huggingface dataset:
Nevada Administrative Code › Chapter 445A - Water Controls › CERTIFICATION OF LABORATORIES TO ANALYZE SUBSTANCES IN WATER › Miscellaneous Provisions › Section 445A.067 - Review by Commission of publications adopted by reference

Current through June 11, 2024
If any publication adopted by reference pursuant to the
				  provisions of NAC 445A.0552 to 445A.067, inclusive, is revised, the Commission
				  may review the revision to determine its suitability for this State. If the
				  Commission determines that the revision is not suitable for this State, it will
				  hold a public hearing to review its determination and give notice of that
				  hearing within 6 months after the date of the publication of the revision. If,
				  after the hearing, the Commission does not revise its determination, the
				  Commission will give notice that the revision is not suitable for this State
				  within 30 days after the hearing. If the Commission does not give such notice,
				  the revision becomes part of the publication adopted by reference pursuant to
				  the provisions of NAC 445A.0552 to 445A.067, inclusive.
Added to NAC by
				  Environmental Comm'n, eff. 10-3-96; A by R070-99, 5-26-2000; R061-04,
				  10-7-2004
NRS
					 445A.425,
					 445A.428
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.070 - Definitions

Current through June 11, 2024
As used in NAC 445A.070 to
				  445A.348, inclusive, and
				  sections 3 to 19, inclusive, unless the context otherwise requires, the words
				  and terms defined in NAC
				  445A.071 to
				  445A.116, inclusive, have the
				  meanings ascribed to them in those sections.
Environmental Comm'n,
				  Water Pollution Control Reg. part Art. 1, eff. 5-2-78; A 1-25-79-NAC A 7-22-87;
				  9-20-90; 9-13-91; 5-27-92; 10-3-96; R017-99, 9-27-99; R129-01, 1-18-2002;
				  R099-02, 12-17-2002; R083-08, 8-26-2008; A by
				  R113-22A,
				  eff. 4/19/2024
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.071 - "A.G.M." defined

Current through June 11, 2024
"A.G.M." means the annual geometric mean.
Added to NAC by
				  Environmental Comm'n, eff. 12-3-84-Substituted in revision for NAC
				  445.0705
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.072 - "Act" defined

Current through June 11, 2024
"Act" means the Federal Water Pollution Control Act
				  Amendments of 1972,
				  33 U.S.C.
				  §§
										1251 et seq.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.1, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.071
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.073 - "Acute toxicity value" defined

Current through June 11, 2024
"Acute toxicity value" means the concentration that is lethal
				  to 50 percent of the test organisms within 96 hours.
Environmental Comm'n,
				  Water Pollution Control Reg. Art. 1 § a, eff. 7-2-80-Substituted in
				  revision for NAC 445.072
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.074 - "Administrator" defined

Current through June 11, 2024
"Administrator" means the Administrator of the United States
				  Environmental Protection Agency.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.2, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.073
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.0745 - "Annual mean flow" defined

Current through June 11, 2024
"Annual mean flow" means a value calculated by:
1. Determining the rate of flow of water at
				or near the location at which a sample of water is taken not more than once
				each day during a 365-day period;
2. Summing the amounts determined pursuant to
				subsection 1 during the 365-day period; and
3. Dividing the sum determined pursuant to
				subsection 2 by the total number of days the rate of flow of water is measured
				pursuant to subsection 1 during the 365-day period.
Added to NAC by
				  Environmental Comm'n by R017-99, eff. 9-27-99
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.075 - "Aquatic animal production facility" defined

Current through June 11, 2024
"Aquatic animal production facility" means a hatchery, fish
				  farm or other facility which contains, grows or holds:
1. Fish or other aquatic animals in ponds,
				raceways or other similar structures for purposes of production and from which
				there is a discharge on any 30 days or more per year, but does not include:
(a) Closed ponds which discharge only during
				periods of excess runoff; or
(b)
				Facilities which produce less than 20,000 pounds of aquatic animals per
				year.
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.077 - "Commission" defined

Current through June 11, 2024
"Commission" means the State Environmental Commission.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.5, eff. 5-2-78; A and renumbered as
				  § 1.4, 1-25-79-Substituted in revision for NAC
				  445.075
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.078 - "Complete treatment" defined

Current through June 11, 2024
"Complete treatment" means that degree of treatment which is
				  required to continuously produce water which meets the standards for drinking
				  water of the State Board of Health.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.6, eff. 5-2-78; A and renumbered as
				  § 1.5, 1-25-79-Substituted in revision for NAC
				  445.076
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.079 - "Conventional treatment" defined

Current through June 11, 2024
"Conventional treatment" means processes such as coagulation,
				  sedimentation, filtration and disinfection. The term does not include desalting
				  techniques.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.7, eff. 5-2-78; A and renumbered as
				  § 1.6, 1-25-79-Substituted in revision for NAC
				  445.077
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.080 - "Department" defined

Current through June 11, 2024
"Department" means the State Department of Conservation and
				  Natural Resources.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.8, eff. 5-2-78; A and renumbered as
				  § 1.7, 1-25-79-Substituted in revision for NAC
				  445.078
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.081 - "Director" defined

Current through June 11, 2024
"Director" means the Director of the Department or the
				  Director's designee.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.9, eff. 5-2-78; A and renumbered as
				  § 1.8, 1-25-79-Substituted in revision for NAC
				  445.079
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.082 - "Discharge" defined

Current through June 11, 2024
"Discharge" has the meaning ascribed to it in NRS
				  NRS
				  445A.345.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.10, eff. 5-2-78; A and renumbered as
				  § 1.9, 1-25-79-Substituted in revision for NAC
				  445.080
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.083 - "Disinfection" defined

Current through June 11, 2024
"Disinfection" means the destruction or inactivation of
				  disease-producing organisms.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.11 eff. 5-2-78; A and renumbered as
				  § 1.10, 1-25-79-Substituted in revision for NAC
				  445.081
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.084 - "Division" defined

Current through June 11, 2024
"Division" has the meaning ascribed to it in NRS
				  NRS
				  445A.350.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.11, eff. 1-25-79-Substituted in revision
				  for NAC 445.082
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.0845 - "E. coli" defined

Current through June 11, 2024
E. coli" means
Escherichia coli
.
Added to NAC by
				  Environmental Comm'n by R099-02, eff. 12-17-2002
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.085 - "Effluent limitation" defined

Current through June 11, 2024
"Effluent limitation" has the meaning ascribed to it in NRS
				  NRS
				  445A.355.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.12, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.083
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.086 - "Filtration" defined

Current through June 11, 2024
"Filtration" means a physical-chemical process for removing
				  suspended and colloidal impurities from water by passage through a porous
				  medium by the following mechanisms: Absorption, flocculation, sedimentation and
				  straining.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.13, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.084
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.0865 - "Flow weighted annual average concentration" defined

Current through June 11, 2024
"Flow weighted annual average concentration" means a value
				  calculated by:
1. Multiplying, not
				more than once each day during a 365-day period, the concentration of
				pollutants present in a sample of water by the rate of flow of the water at the
				location and time at which the sample is taken;
2. Summing the amounts determined pursuant to
				subsection 1 during a 365-day period;
3. Dividing the sum determined pursuant to
				subsection 2 by the total number of days the concentration of pollutants is
				measured pursuant to subsection 1 during a 365-day period; and
4. Dividing the amount determined pursuant to
				subsection 3 by the annual mean flow.
Added to NAC by
				  Environmental Comm'n by R017-99, eff. 9-27-99
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.087 - "Individual sewage disposal system" defined

Current through June 11, 2024
"Individual sewage disposal system" means a system of sewage
				  treatment tanks or tank and effluent absorption or percolation facilities
				  serving a single dwelling or structure.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.14, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.085
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.088 - "Industrial user" defined

Current through June 11, 2024
"Industrial user" means any industry identified in the
Standard Industrial Classification Manual
, published by the
				  United States Bureau of the Budget, under the category "Division
				  D-Manufacturing" and the other classes of significant waste producers as, by
				  regulation, the Director or the Commission deems appropriate.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.42, eff. 10-26-79-Substituted in revision
				  for NAC 445.086
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.089 - "Industrial wastes" defined

Current through June 11, 2024
"Industrial wastes" means wastes resulting from any process
				  of industry, manufacturing, trade or business, or from the development or
				  recovery of any natural resources.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.15, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.087
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.090 - "Interstate agency" defined

Current through June 11, 2024
"Interstate agency" has the meaning ascribed to it in NRS
				  NRS
				  445A.370.
Environmental Comm'n,
				  Water Pollution Control Reg. §§ 1.16-1.16.2, eff. 5-2-78; A
				  1-25-79-Substituted in revision for NAC 445.088
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.091 - "Law" defined

Current through June 11, 2024
"Law" means NRS
				  NRS 445A.300 to
				  445A.730,
				  inclusive.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.17, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.089
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.092 - "Minor discharge" defined

Current through June 11, 2024
"Minor discharge" means any discharge which:
1. Has a total volume of less than 50,000
				gallons on every day of the year;
2. Does not affect the waters of any other
				state; and
3. Is not identified by
				the Director, the Regional Administrator or the Administrator as a discharge
				which is not a minor discharge.
If there is more than one discharge from a facility and the
				  sum of the volumes of all discharges from the facility exceeds 50,000 gallons
				  on any day of the year, then no discharge from the facility is a minor
				  discharge as defined in this section.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.18, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.090
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.093 - "Municipality" defined

Current through June 11, 2024
"Municipality" has the meaning ascribed to it in NRS
				  NRS
				  445A.375.
Environmental Comm'n,
				  Water Pollution Control Reg. §§ 1.19-1.19.2, eff. 5-2-78; A
				  1-25-79-Substituted in revision for NAC 445.091
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.094 - "NPDES" defined

Current through June 11, 2024
"NPDES" means the National Pollutant Discharge Elimination
				  System, which is the national system for the issuance of permits under section
				  402 of the Act.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.20, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.092
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.095 - "Natural waters" defined

Current through June 11, 2024
"Natural waters" means waters which have not been degraded or
				  enhanced by actions attributable to humans.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.21, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.093
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.096 - "New source" defined

Current through June 11, 2024
"New source" means any source, the construction of which is
				  commenced after the publication of proposed regulations prescribing a standard
				  of performance under section 306 of the Act which will be applicable to the
				  source if the standard is thereafter promulgated in accordance with section 306
				  of the Act.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.22, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.094
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.097 - "Origin" defined

Current through June 11, 2024
"Origin" means all waters tributary to those waters being
				  classified and are considered a part of the waters being classified unless
				  otherwise designated.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.23, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.095
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.098 - "Permit" defined

Current through June 11, 2024
"Permit" means a written authorization to discharge
				  pollutants into the waters of the State in accordance with the Act, the law and
				  the regulations promulgated thereunder.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.24, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.096
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.099 - "Person" defined

Current through June 11, 2024
"Person" has the meaning ascribed to it in NRS
				  NRS
				  445A.390.
Environmental Comm'n,
				  Water Pollution Control Reg. §§ 1.25-1.25.2, eff. 5-2-78; A
				  1-25-79-Substituted in revision for NAC 445.097
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.100 - "Point source" defined

Current through June 11, 2024
1. "Point source"
				has the meaning ascribed to it in
				NRS
				445A.395.
2. The term includes wheeled, track,
				stationary or floating equipment used for earth-moving activity from which
				pollutants are or may be discharged.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.26, eff. 5-2-78; A 1-25-79-NAC A by
				  R096-01, 1-18-2002
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.101 - "Pollutant" defined

Current through June 11, 2024
"Pollutant" has the meaning ascribed to it in NRS
				  NRS
				  445A.400.
Environmental Comm'n,
				  Water Pollution Control Reg. §§ 1.27-1.27.2, eff. 5-2-78; A
				  1-25-79-Substituted in revision for NAC 445.099
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.102 - "Pollution" defined

Current through June 11, 2024
"Pollution" has the meaning ascribed to it in NRS
				  NRS
				  445A.405.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.28, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.100
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.103 - "Pretreatment program" defined

Current through June 11, 2024
"Pretreatment program" means the general pretreatment
				  regulations for existing and new sources of pollution as set forth in 40 C.F.R.
				  §§ 403 et seq.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.43, eff. 10-26-79-Substituted in revision
				  for NAC 445.101
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.104 - "Pretreatment standards" defined

Current through June 11, 2024
"Pretreatment standards" means the standards promulgated
				  under section 307(b) of the Act.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.29, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.102
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.106 - "Regional Administrator" defined

Current through June 11, 2024
"Regional Administrator" means the Regional Administrator of
				  the United States Environmental Protection Agency, Region IX.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.31, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.104
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.107 - "Sewage" defined

Current through June 11, 2024
1. "Sewage" means
				the water-carried human or animal waste from residences, buildings, industrial
				establishments, feedlots or other places, together with such groundwater
				infiltration and surface water as may be present.
2. The term includes the mixture of sewage
				with wastes or industrial wastes.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.32, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.105
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.108 - "Source" defined

Current through June 11, 2024
"Source" means any building, structure, facility or
				  installation from which there is or may be the discharge of pollutants.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.33, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.106
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.109 - "Standard of performance" defined

Current through June 11, 2024
"Standard of performance" means a standard for the control of
				  the discharge of pollutants which reflects the greatest degree of effluent
				  reduction which the Administrator determines to be achievable through
				  application of the best available demonstrated control technology, processes,
				  operating methods or other alternatives, including, where practicable, a
				  standard permitting no discharge of pollutants.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.34, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.107
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.110 - "Toxic material" defined

Current through June 11, 2024
1. "Toxic material"
				means any pollutant or combination of pollutants which will, on the basis of
				information available to the Administrator, cause an organism or its offspring
				to die or to suffer any:
(a)
				Disease;
(b) Behavioral
				abnormality;
(c) Cancer;
(d) Genetic mutation;
(e) Physiological malfunction, including a
				malfunction in reproduction; or
(f)
				Physical deformation,
AS if that pollutant or combination of pollutants is
				  discharged and exposed to or assimilated by the organism, whether directly from
				  the environment or indirectly through food chains.
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.111 - "Treatment or waste treatment" defined

Current through June 11, 2024
"Treatment or waste treatment" means the stabilization or
				  alteration of the quality of wastewaters by physical, biological or chemical
				  means or a combination thereof, for the purpose of reducing or eliminating
				  adverse effects on water quality, such that the tendency of the wastes to cause
				  any degradation in water quality or other environmental conditions is reduced
				  or eliminated.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.36, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.109
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.112 - "Treatment works" defined

Current through June 11, 2024
"Treatment works" has the meaning ascribed to it in NRS
				  NRS
				  445A.410.
Environmental Comm'n,
				  Water Pollution Control Reg. §§ 1.37-1.37.5, eff. 5-2-78; A
				  1-25-79-Substituted in revision for NAC 445.110
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.113 - "Water quality standards or limitations" defined

Current through June 11, 2024
"Water quality standards or limitations" means any applicable
				  state or federal water quality standards or limitations, including but not
				  limited to water quality criteria, water use classifications, implementation
				  plans and compliance schedules, effluent standards and limitations,
				  prohibitions, standards of performance and pretreatment standards.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.38, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.111
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.114 - "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.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.39, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.112
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.115 - "Zone of mixing" defined

Current through June 11, 2024
"Zone of mixing" means the volume of water near the point of
				  waste discharge within which the waste immediately mixes with the receiving
				  water due to the momentum of the waste discharge and the difference in density
				  between the waste and the receiving water.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.40, eff. 5-2-78; A 1-25-79-Substituted in
				  revision for NAC 445.113
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.116 - "Zone of passage" defined

Current through June 11, 2024
"Zone of passage" means a continuous water route of the
				  volume, cross-sectional area and quality necessary to allow passage of aquatic
				  life without any significant effect produced on the aquatic life.
Environmental Comm'n,
				  Water Pollution Control Reg. § 1.41, eff. 5-2-78; A 1-25-79; renumbered as
				  Art. 1 § b, 7-2-80-Substituted in revision for NAC
				  445.114
NRS
					 445A.425
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › General Provisions › Section 445A.117 - Severability

Current through June 11, 2024
If any of the provisions of NAC 445A.070 to 445A.340,
				  inclusive, or any application thereof to any person, thing or circumstance is
				  held invalid, it is intended that the invalidity not affect the remaining
				  provisions or their application that can be given effect without the invalid
				  provision or application.
Environmental Comm'n,
				  Water Pollution Control Reg. Art. 5, eff. 5-2-78-NAC A 10-3-96; R083-08,
				  8-26-2008
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11704 - Definitions

Current through June 11, 2024
As used in NAC 445A.11704 to
				  445A.2234, inclusive, and
				  sections 2 and 3 of this regulation, unless the context otherwise requires, the
				  terms and symbols defined in NAC
				  445A.11708 to
				  445A.1178, inclusive, have the
				  meanings ascribed to them in those sections.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84; A 11-9-95; R226-03, 4-23-2004; R160-06
				  & R083-08, 8-26-2008-Substituted in revision for NAC 445A.128; A by
				  R037-19A,
				  eff. 10/22/2019
NRS
				  445A.425,
				  445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11708 - "A-Avg." or "A.A." defined

Current through June 11, 2024
"A-Avg." or "A.A." means annual average.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.129
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11709 - "BOD" or "biochemical oxygen demand" defined

Current through June 11, 2024
"BOD" or "biochemical oxygen demand" means a measure of the
				  amount of oxygen that bacteria will consume while decomposing organic matter
				  under aerobic conditions.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11711 - "cfu/100 mL" defined

Current through June 11, 2024
"cfu/100 mL" means the number of colony-forming units of
				  bacteria present in 100 milliliters of water.
Added to NAC by
				  Environmental Comm'n by R102-16, eff. 12-19-2017
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11712 - "[DELTA]" defined

Current through June 11, 2024
"[DELTA]" means the difference between two points.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.130
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11716 - "[DELTA] pH" defined

Current through June 11, 2024
"[DELTA] pH" means the change in pH.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.131
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1172 - "[DELTA] T" defined

Current through June 11, 2024
"[DELTA] T" means the change in temperature.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.132
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11724 - "Geometric mean" defined

Current through June 11, 2024
"Geometric mean" means the mean of n positive numbers
				  obtained by taking the nth root of the product of the numbers.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.133
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1173 - "Logarithmic mean" or "log mean" defined

Current through June 11, 2024
"Logarithmic mean" or "log mean" means a value calculated
				  by:
1. Converting each data point into
				its log;
2. Calculating the mean of
				the values determined pursuant to subsection 1; and
3. Using the antilog of the log-transformed
				mean calculated pursuant to subsection 2.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11736 - "M.D.B. & M." defined

Current through June 11, 2024
"M.D.B. & M." means Mount Diablo Base and
				  Meridian.
Added to NAC by
				  Environmental Comm'n by R226-03, eff. 4-23-2004
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11737 - "Mean" defined

Current through June 11, 2024
"Mean" means the average of a group of numbers or data
				  points.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11738 - "Median" defined

Current through June 11, 2024
"Median" means the 50th percentile of a set of
				  numbers.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11739 - "MF" defined

Current through June 11, 2024
"MF" means the membrane filter used to measure
				  bacteria.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1174 - "mg/l" defined

Current through June 11, 2024
"mg/l" means the concentration of a substance, in milligrams,
				  present in one liter of the water.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.134
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11742 - "MPN/100 mL" defined

Current through June 11, 2024
"MPN/100 mL" means the most probable number determined using
				  a statistical testing method to estimate the number of bacteria or other
				  organisms present in 100 milliliters of water.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11744 - "No./100ml" defined

Current through June 11, 2024
"No./100ml" means the number of organisms present in 100
				  milliliters of the water.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.135
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11748 - "NTU" defined

Current through June 11, 2024
"NTU" means nephelometric turbidity units, a measure of
				  turbidity.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.136
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11752 - "PCU" defined

Current through June 11, 2024
"PCU" means platinum cobalt unit, a measure of color.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.137
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1176 - "SAR" defined

Current through June 11, 2024
"SAR" means sodium adsorption ratio.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.139
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11764 - "SU" defined

Current through June 11, 2024
"SU" means standard pH units.
Added to NAC by
				  Environmental Comm'n by R226-03, eff. 4-23-2004
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11768 - "S.V." defined

Current through June 11, 2024
"S.V." means single value.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.140
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11772 - "Trout water" defined

Current through June 11, 2024
"Trout water" means a reach of water that the Commission
				  determines is suitable as a habitat for trout.
Added to NAC by
				  Environmental Comm'n by R226-03, eff. 4-23-2004
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11773 - "µg/L" defined

Current through June 11, 2024
"µg/L" means a unit of concentration describing the
				  mass of a substance, in micrograms, present in one liter of water.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11774 - "[GREATER THAN]" defined

Current through June 11, 2024
">" means greater than.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11775 - "[LESS THAN]" defined

Current through June 11, 2024
"<" means less than.
Added to NAC by
				  Environmental Comm'n by R109-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.11776 - "[GREATER THEN OR EQUAL TO]" defined

Current through June 11, 2024
"[GREATER THEN OR EQUAL TO]" means greater than or equal
				  to.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.141
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1178 - "[LESS THEN OR EQUAL TO]" defined

Current through June 11, 2024
"[LESS THEN OR EQUAL TO]" means less than or equal to.
Added to NAC by
				  Environmental Comm'n, eff. 6-29-84-Substituted in revision for NAC
				  445A.142
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.118 - Water quality criteria for total ammonia

Current through June 11, 2024
1. The acute
				criteria of water quality with regard to the concentration of total ammonia are
				subject to the following:
(a) The 1-hour
				average concentration of total ammonia, in milligrams of nitrogen per liter,
				for the protection of freshwater aquatic life is shown in Table 1.
(b) For cold-water fisheries, the
				concentration of total ammonia, in milligrams of nitrogen per liter, must not
				exceed the applicable acute criterion listed under "Cold-Water Fisheries" set
				forth in Table 1, more than once every 3 years on average.
(c) For warm-water fisheries, the
				concentration of total ammonia, in milligrams of nitrogen per liter, must not
				exceed the applicable acute criterion listed under "Warm-Water Fisheries" set
				forth in Table 1, more than once every 3 years on average.
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1195 - Determination of E. coli bacteria

Current through June 11, 2024
The number of E. coli bacteria present in a sample of water
				  may be determined and reported:
1. By
				counting the colony-forming units in the sample; or
2. Through the use of a statistical testing
				method to determine the most probable number of bacteria in the
				sample.
Added to NAC by
				  Environmental Comm'n by R102-16, eff. 12-19-2017
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.120 - Applicability

Current through June 11, 2024
1. NAC 445A.070 to 445A.2234, inclusive,
				apply to all natural streams and lakes, reservoirs or impoundments on natural
				streams and other specified waterways, unless excepted on the basis of existing
				irreparable conditions which preclude such use. Man-made waterways, unless
				otherwise specified, must be protected for public health and the use for which
				the waterways were developed.
2.
				The quality of any waters receiving waste discharges must be such that no
				impairment of the beneficial usage of water occurs as the result of the
				discharge. Natural water conditions may, on occasion, be outside the limits
				established by standards. The standards adopted in NAC 445A.070 to 445A.2234,
				inclusive, relate to the condition of waters as affected by discharges relating
				to human activities.
3. NAC
				445A.11704 to 445A.2234, inclusive, do not apply to waters within the exterior
				borders of an Indian reservation.
Environmental Comm'n,
				  Water Pollution Control Reg. § 4.1, eff. 5-2-78-NAC A 12-3-84; R017-99,
				  9-27-99; R160-06 & R083-08, 8-26-2008; R093-13,
				  12-23-2013
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.122 - Standards applicable to beneficial uses

Current through June 11, 2024
1. The
				following standards are intended to protect both existing and designated
				beneficial uses and must not be used to prohibit the use of the water as
				authorized under title 48 of NRS:
(a) Watering
				of livestock. The water must be suitable for the watering of livestock without
				treatment.
(b) Irrigation. The
				water must be suitable for irrigation without treatment.
(c) Aquatic life. The water must be suitable
				as a habitat for fish and other aquatic life existing in a body of water. This
				does not preclude the reestablishment of other fish or aquatic life.
(d) Recreation involving contact with the
				water. There must be no evidence of man-made pollution, floating debris, sludge
				accumulation or similar pollutants.
(e) Recreation not involving contact with the
				water. The water must be free from:
(1)
				Visible floating, suspended or settled solids arising from human
				activities;
(2) Sludge
				banks;
(3) Slime
				infestation;
(4) Heavy growth of
				attached plants, blooms or high concentrations of plankton, discoloration or
				excessive acidity or alkalinity that leads to corrosion of boats and
				docks;
(5) Surfactants that foam
				when the water is agitated or aerated; and
(6) Excessive water temperatures.
(f) Municipal or domestic supply.
				The water must be capable of being treated by conventional methods of water
				treatment in order to comply with Nevada's drinking water standards.
(g) Industrial supply. The water must be
				treatable to provide a quality of water which is suitable for the intended
				use.
(h) Propagation of wildlife.
				The water must be suitable for the propagation of wildlife and waterfowl
				without treatment.
(i)
				Extraordinary ecological, aesthetic or recreational value. The important
				ecological, aesthetic or recreational value of the water must be
				maintained.
(j) Enhancement of
				water quality. The water must support natural enhancement or improvement of
				water quality in any water which is downstream.
(k) Maintenance of a freshwater marsh. The
				water must be suitable for the maintenance of a freshwater marsh.
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.123 - Classification and reclassification of waters

Current through June 11, 2024
1.
				Stream standards and classifications in NAC 445A.123 to 445A.2234, inclusive,
				do not preclude the Commission from establishing standards and classifications
				for additional public waters nor reclassifying the waters covered by those
				sections.
2. The Commission will
				consider classification of a body of public water not contained in NAC 445A.123
				to 445A.2234, inclusive, upon a request for a permit to discharge into that
				body of water.
Environmental Comm'n,
				  Water Pollution Control Reg. § 4.2, eff. 5-2-78-NAC A 12-3-84; R160-06,
				  8-26-2008-Substituted in revision for NAC 445.121
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1233 - Cooperation regarding Colorado River; salinity standards

Current through June 11, 2024
1. The State of Nevada will cooperate with
				the other Colorado River Basin states and the Federal Government to support and
				carry out the conclusions and recommendations adopted April 27, 1972, by the
				Reconvened 7th Session of the Conference in the Matter of Pollution of the
				Interstate Waters of the Colorado River and its Tributaries.
2. Pursuant to the "2011 Review - Water
				Quality Standards for Salinity, Colorado River System," as adopted by the
				Colorado River Basin Salinity Control Forum, the flow weighted annual average
				concentrations for the calendar year for total dissolved solids in mg/l at the
				three lower main stem stations of the Colorado River are as follows:
Station
Salinity in mg/l
Below Hoover
							 Dam.....................................................................................
723
Below Parker
							 Dam......................................................................................
747
At Imperial
							 Dam..........................................................................................
879
Environmental Comm'n,
				  Water Pollution Control Reg. Appendix B, eff. 5-2-78-NAC A 12-3-84; R017-99,
				  9-27-99; R159-06, 9-18-2006; R130-10, 12-16-2010; R132-12,
				  12-20-2012-Substituted in revision for NAC
				  445A.143
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1236 - Standards for toxic materials applicable to designated waters

Current through June 11, 2024
1. Except for waters which have site-specific
				standards for toxic materials or as otherwise provided in this section, the
				standards for toxic materials prescribed in subsection 2 are applicable to the
				waters specified in NAC
				445A.123 to
				445A.2234, inclusive. The
				following criteria apply to this section:
(a)
				If the standards are exceeded at a site and are not economically controllable,
				the Commission will review and may adjust the standards for the site.
(b) If a standard does not exist for each
				designated beneficial use, a person who plans to discharge waste must
				demonstrate that no adverse effect will occur to a designated beneficial use.
				If the discharge of a substance will lower the quality of the water, a person
				who plans to discharge waste must meet the requirements of
				NRS
				445A.565.
(c) If a criterion is less than the reporting
				limit of a method that is acceptable to the Division, laboratory results which
				show that the substance was not detected at a quantifiable level shall be
				deemed to show compliance with the standard unless other information indicates
				that the substance may be present.
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.1237 - Standards for selenium for support of aquatic life applicable to designated waters

Current through June 11, 2024
1. The standards
				for selenium prescribed in this section for the support of aquatic life are
				applicable to the waters specified in NAC
				445A.123 to
				445A.2234, inclusive. The
				criterion values for selenium are calculated to reflect the lack of sturgeon or
				related fish species in the waters of this State and maintain the conditions
				necessary to support, protect and allow the propagation of fish species found
				in the waters of this State. See references a and b.
2. If the standards for selenium are exceeded
				at a site, the Commission will review and may adjust the standards for the site
				if:
(a) The standards are not economically
				controllable; or
(b) Site-specific
				values for fish and water have been derived through a technically defensible
				study (see references a and b) and results have been approved by the
				Division.