reglab/statecodes huggingface dataset:
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2056 - Central Region: Cave Creek

Current through June 11, 2024
The limits of this table apply to the entire body of water
				  known as Cave Creek. Cave Creek is located in White Pine County.
STANDARDS OF WATER QUALITY
Cave Creek
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.1952 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2058 - Central Region: Cave Lake

Current through June 11, 2024
The limits of this table apply to the entire body of water
				  known as Cave Lake. Cave Lake is located in White Pine County.
STANDARDS OF WATER QUALITY
Cave Lake
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Trout.
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 235
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.1952 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2062 - Central Region: Pine Creek (White Pine County)

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Pine Creek (White Pine County) from its origin to the first point of diversion,
				  near the west line of section 17, T. 13 N., R. 68 E., M.D.B. & M. Pine
				  Creek is located in White Pine County.
STANDARDS OF WATER QUALITY
Pine Creek (White Pine County)
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.1952 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2064 - Central Region: Ridge Creek

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Ridge Creek from its origin to the first point of diversion, near the west line
				  of section 17, T. 13 N., R. 68 E., M.D.B. & M. Ridge Creek is located in
				  White Pine County.
STANDARDS OF WATER QUALITY
Ridge Creek
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.1952 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2066 - Central Region: Currant Creek at the national forest boundary

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Currant Creek from its origin to the national forest boundary. This segment of
				  Currant Creek is located in Nye and White Pine Counties.
STANDARDS OF WATER QUALITY
Currant Creek at the national forest boundary
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.1952 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2068 - Central Region: Currant Creek at Currant

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Currant Creek from the national forest boundary to Currant. This segment of
				  Currant Creek is located in Nye County.
STANDARDS OF WATER QUALITY
Currant Creek at Currant
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 24 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 5.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.1952 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2092 - Great Salt Lake Region: Designated beneficial uses

Current through June 11, 2024
The designated beneficial uses for select bodies of water
				  within the Great Salt Lake Region are prescribed in this section:
Water Body Name
Segment Description
Beneficial Uses
Aquatic Life Species of Concern
Water Quality Standard NAC Reference
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Snake Creek above the fish hatchery
Above the fish hatchery.
X
X
X
X
X
X
X
X
NAC
								445A.2096
Snake Creek below the fish hatchery
Below the fish hatchery to the Nevada-Utah state
								line.
X
X
X
X
X
X
X
X
Trout
NAC
								445A.2098
Baker Creek
From its origin to the national forest
								boundary.
X
X
X
X
X
X
X
NAC
								445A.2102
Lehman Creek
From its origin to the national forest
								boundary.
X
X
X
X
X
X
X
NAC
								445A.2104
Silver Creek
From its origin to the national forest
								boundary.
X
X
X
X
X
X
X
NAC
								445A.2106
Silver Creek Reservoir
The entire reservoir.
X
X
X
X
X
X
X
X
Trout
NAC
								445A.2108
Hendrys Creek
From its origin to the national forest
								boundary.
X
X
X
X
X
X
X
NAC
								445A.2112
Irrigation
Irrigation
Livestock
Watering of livestock
Contact
Recreation involving contact with the
								water
Noncontact
Recreation not involving contact with the
								water
Industrial
Industrial supply
Municipal
Municipal or domestic supply, or both
Wildlife
Propagation of wildlife
Aquatic
Propagation of aquatic life
Aesthetic
Extraordinary ecological, aesthetic or
								recreational value
Enhance
Enhancement of water quality
Marsh
Maintenance of a freshwater marsh
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 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 › Standards for Water Quality › Section 445A.2094 - Great Salt Lake Region: Standards for select bodies of water

Current through June 11, 2024
The standards for water quality for select bodies of water
				  within the Great Salt Lake Region are prescribed in NAC 445A.2094 to 445A.2112,
				  inclusive.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2096 - Great Salt Lake Region: Snake Creek above the fish hatchery

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Snake Creek above the fish hatchery. This segment of Snake Creek is located in
				  White Pine County.
STANDARDS OF WATER QUALITY
Snake Creek above the fish hatchery
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
[DELTA]T
= 0
S.V. Nov-Apr S.V. May-Jun S.V. Jul-Oct DT
[LESS THEN OR EQUAL TO] 13 [LESS THEN OR EQUAL TO] 17
							 [LESS THEN OR EQUAL TO] 23 [LESS THEN OR EQUAL TO] 2
*
X
pH - SU
S.V. [DELTA]" pH
6.5 - 9.0 ± 0.5
X
X
X
*
X
X
*
Dissolved Oxygen - mg/l
S.V. Nov-May S.V. Jun-Oct
[GREATER THEN OR EQUAL TO] 6.0 [GREATER THEN OR EQUAL
							 TO] 5.0
X
*
X
X
X
X
Total Phosphates (as P) - mg/l
A-Avg. S.V.
[LESS THEN OR EQUAL TO] 0.05 [LESS THEN OR EQUAL TO]
							 0.08
A-Avg.
[LESS THEN OR EQUAL TO] 0.1
*
*
X
X
Nitrogen Species (as N) - mg/l
Nitrate A-Avg. S.V.
[LESS THEN OR EQUAL TO] 0.22 [LESS THEN OR EQUAL TO]
							 0.44
Nitrate S.V. Nitrite S.V.
[LESS THEN OR EQUAL TO] 10 [LESS THEN OR EQUAL TO]
							 0.06
X
*
X
X
*
X
Total Ammonia (as N) - mg/l
c
*
Suspended Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 25
*
Turbidity - NTU
S.V.
[LESS THEN OR EQUAL TO] 10
*
X
Color - PCU
d
*
X
Total Dissolved Solids - mg/l
A-Avg. S.V.
[LESS THEN OR EQUAL TO] 100 [LESS THEN OR EQUAL TO]
							 125
A-Avg.
[LESS THEN OR EQUAL TO] 500
X
X
*
Chloride - mg/l
A-Avg. S.V.
[LESS THEN OR EQUAL TO] 10 [LESS THEN OR EQUAL TO]
							 20
S.V.
[LESS THEN OR EQUAL TO] 250
X
X
*
X
Sulfate - mg/l
S.V.
[LESS THEN OR EQUAL TO] 250
*
Sodium - SAR
A-Avg.
[LESS THEN OR EQUAL TO] 8
*
X
Alkalinity (as CaCO3) -
							 mg/l
25% change from natural conditions
*
X
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 100 [LESS THEN OR EQUAL TO]
							 200
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2092 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
d Increase in color must not be
				  more than 10 PCU above natural conditions.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2098 - Great Salt Lake Region: Snake Creek above the fish hatchery

Current through June 11, 2024
NAC 445A.2098 The limits of this table apply to the body of
				  water known as Snake Creek below the fish hatchery to the Nevada-Utah state
				  line. This segment of Snake Creek is located in White Pine County.
STANDARDS OF WATER QUALITY
Snake Creek below the fish hatchery
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Trout.
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]"T
[LESS THEN OR EQUAL TO] 20 [LESS THEN OR EQUAL TO]
							 3
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.33
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2092 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2102 - Great Salt Lake Region: Baker Creek

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Baker Creek from its origin to the national forest boundary. Baker Creek is
				  located in White Pine County.
STANDARDS OF WATER QUALITY
Baker Creek
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2092 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2104 - Great Salt Lake Region: Lehman Creek

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Lehman Creek from its origin to the national forest boundary. Lehman Creek is
				  located in White Pine County.
STANDARDS OF WATER QUALITY
Lehman Creek
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2092 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2106 - Great Salt Lake Region: Silver Creek

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Silver Creek from its origin to the national forest boundary. Silver Creek is
				  located in White Pine County.
STANDARDS OF WATER QUALITY
Silver Creek
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2092 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2108 - Great Salt Lake Region: Silver Creek Reservoir

Current through June 11, 2024
The limits of this table apply to the entire body of water
				  known as Silver Creek Reservoir. Silver Creek Reservoir is located in White
				  Pine County.
STANDARDS OF WATER QUALITY
Silver Creek Reservoir
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Trout.
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 576
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2092 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2112 - Great Salt Lake Region: Hendrys Creek

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Hendrys Creek from its origin to the national forest boundary. Hendrys Creek is
				  located in White Pine County.
STANDARDS OF WATER QUALITY
Hendrys Creek
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
S.V. [DELTA]T
[LESS THEN OR EQUAL TO] 20 = 0
*
X
pH - SU
S.V.
6.5 - 9.0
X
X
*
*
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 6.0
X
*
X
X
X
X
Total Phosphorus (as P) - mg/l
S.V.
[LESS THEN OR EQUAL TO] 0.10
*
*
X
X
Total Ammonia (as N) - mg/l
c
*
X
Total Dissolved Solids - mg/l
S.V.
[LESS THEN OR EQUAL TO] 500 or the 95th percentile
							 (whichever is less).
X
X
*
E. coli - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO]
							 410
*
X
Fecal Coliform - No./100 ml
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2092 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2132 - Escalante Desert Region: No designated beneficial uses

Current through June 11, 2024
There are no designated beneficial uses for select bodies of
				  water within the Escalante Desert Region.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2134 - Escalante Desert Region: No designated standards

Current through June 11, 2024
There are no designated standards for water quality for
				  select bodies of water within the Escalante Desert Region.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008
NRS
					 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2144 - Colorado Region: Standards for select bodies of water

Current through June 11, 2024
The standards for water quality for select bodies of water
				  within the Colorado Region are prescribed in NAC 445A.2144 to
				  445A.2214, inclusive, and
				  sections 2 and 3.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; 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.2146 - Colorado Region: Colorado River below Davis Dam

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  the Colorado River from Davis Dam to the California-Nevada state line, except
				  for the length of the river within the exterior borders of the Fort Mojave
				  Indian Reservation. This segment of the Colorado River is located in Clark
				  County.
STANDARDS OF WATER QUALITY
Colorado River below Davis Dam
PARAMETER
REQUIREMENTS TO MAINTAIN EXISTING HIGHER
								QUALITY
WATER QUALITY CRITERIA TO PROTECT BENEFICIAL
								USES
Beneficial Usesa
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Adult cold-water fishery.
Temperature - °C
[DELTA]Tb -
								°C
[DELTA]T = 0
S.V. <= 24
[DELTA]T <= 2
*
pH - SU
S.V. 6.5 - 90
[DELTA]pH ± 0.5
*
Dissolved Oxygen - mg/L
S.V. >= 5.0
*
Total Phosphorus (as P) -mg/L
A-Avg. <= 0.02
S.V. <= 0.03
A-Avg. <= 0.05
*
*
Nitrate (as N) - mg/L
A-Avg. <= 1.1
S.V. <= 10
S.V. <= 10
*
Nitrite (as N) - mg/L
S.V. <= 0.06
*
Total Ammonia (as N) -mg/L
c
*
Total Suspended Solids -mg/L
S.V. <= 25
*
Turbidity - NTU
S.V. <= 10
*
Color - PCU
S.V. <= 75
*
Total Dissolved Solids -mg/L
d
*
Chloride - mg/L
S.V. <= 400d
*
Sulfate - mg/L
S.V. <= 500d
*
Alkalinity (as CaCO3) -mg/L
S.V. >= 20
*
E. coli - cfu/100
								mLe
G.M. <= 126
S.V. <= 410
*
Fecal Coliform - No./100 mL
A.G.M. <= 50,
S.V. <= 100
S.V. <= 1,000
*
Toxic Materials
f
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC
				  445A.122 and
				  445A.2142 for beneficial use
				  terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The water quality criteria for
				  ammonia are specified in NAC
				  445A.118.
d The salinity standards for the
				  Colorado River system are specified in NAC
				  445A.1233.
e The geometric mean must not be
				  exceeded in any 30-day period. The single value must not be exceeded in more
				  than 10 percent of the samples collected within any 30-day period.
e The water quality criteria for
				  toxic materials are specified in NAC
				  445A.1236.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12, 12-20-2012;
				  R093-13, 12-23-2013; 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.2147 - Colorado Region: Lake Mohave

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  Lake Mohave, which extends from Willow Beach to Davis Dam. Lake Mohave is
				  located in Clark County.
STANDARDS OF WATER QUALITY
Colorado River: Lake Mohave
PARAMETER
REQUIREMENTS TO MAINTAIN EXISTING HIGHER
								QUALITY
WATER QUALITY CRITERIA TO PROTECT BENEFICIAL
								USES
Beneficial
								Usesa
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Adult cold-water fishery.
Temperature -°C
[DELTA]Tb -
								°C
[DELTA]T = 0
S.V. [LESS THAN EQUAL TOO]24
[DELTA]T [LESS THAN EQUAL TOO] 2
*
pH - SU
S.V.6.5 -
								[DELTA]pH 9.0
														±
														0.5
*
Dissolved Oxygen - mg/L
S.V. [GREATER THAN EQUAL TOO]
								5.0c
*
Total Phosphorus
(as P) - mg/L
A-Avg. [LESS THAN EQUAL TOO] 0.05
*
*
Nitrate (as N) - mg/L
S.V. [LESS THAN EQUAL TOO] 10
*
Nitrite (as N) - mg/L
S.V. [LESS THAN EQUAL TOO] 0.06
*
Total Ammonia
(as N) - mg/L
d
*
Total Suspended Solids - mg/L
S.V. [LESS THAN EQUAL TOO] 25
*
Turbidity - NTU
S.V. [LESS THAN EQUAL TOO] 10
*
Color - PCU
S.V. [LESS THAN EQUAL TOO] 75
*
Total Dissolved
Solids - mg/L
e
*
Chloride - mg/L
S.V. [LESS THAN EQUAL TOO]
								400e
*
Sulfate - mg/L
S.V. [LESS THAN EQUAL TOO]
								500e
*
Alkalinity (as CaCO3) -
								mg/L
S.V.
[GREATER THAN EQUAL TOO] 20
*
E. coli - cfu/100
								mLf
G.M. [LESS THAN EQUAL TOO] 126
S.V. [LESS THAN EQUAL TOO] 410
*
Fecal Coliform - No./100 mL
S.V. [LESS THAN EQUAL TOO] 1,000
*
Toxic Materials
g
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC
				  445A.122 and
				  445A.2142 for beneficial use
				  terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c Applies to the epilimnion when
				  stratified, or average in water column during periods of
				  nonstratification.
d The water quality criteria for
				  ammonia are specified in NAC
				  445A.118.
e The salinity standards for the
				  Colorado River system are specified in NAC
				  445A.1233.
f The geometric mean must not be
				  exceeded in any 30-day period. The single value must not be exceeded in more
				  than 10 percent of the samples collected within any 30-day period.
g The water quality criteria for
				  toxic materials are specified in NAC
				  445A.1236
Added to NAC
				  by Environmental Comm'n by R037-19, eff. 10/30/2019
NRS 445A.425,
					 445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2148 - Colorado Region: Colorado River below Hoover Dam

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  the Colorado River from Hoover Dam to Willow Beach. This segment of the
				  Colorado River is located in Clark County.
STANDARDS OF WATER QUALITY
Colorado River below Hoover Dam
PARAMETER
REQUIREMENTS TO MAINTAIN EXISTING HIGHER
								QUALITY
WATER QUALITY CRITERIA TO PROTECT BENEFICIAL
								USES
Beneficial Usesa
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
X
X
Aquatic Life Species of Concern
Adult cold-water fishery.
Temperature - °C
[DELTA]Tb -
								°C
[DELTA]T = 0
S.V. <= 24
[DELTA]T <= 2
*
pH - SU
S.V. 6.5 - 9.0
[DELTA]pH ± 0.5
*
Dissolved Oxygen - mg/L
S.V. >= 5.0
*
Total Phosphorus (as P) -mg/L
A-Avg. <= 0.02
S.V. >= 0.033
A-Avg. <= 0.05
*
*
Total Nitrogen (as N) -mg/L
A-Avg. <= 1.0
S.V. <= 1.5
*
*
Nitrate (as N) - mg/L
S.V.<= 10
*
Nitrite (as N) - mg/L
S.V.<= 0.06
*
Total Ammonia (as N) -mg/L
c
*
Total Suspended Solids -mg/L
S.V. <= 25
*
Chloride - mg/L
S.V. <= 400d
*
Sulfate - mg/L
S.V. <= 500d
*
Turbidity - NTU
S.V. <= 10
*
Color - PCU
S.V. <= 75
*
Total Dissolved Solids -mg/L
d
*
Alkalinity (as CaCO3) -mg/L
S.V. >= 20
*
E. coli - cfu/100
								mLe
G.M. <= 126
S.V. <= 410
*
Fecal Coliform - No./100 mL
A.G.M. <= 50
S.V. <= 50
S.V. <= 1,000
*
Toxic Materials
f
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC
				  445A.122 and
				  445A.2142 for beneficial use
				  terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The water quality criteria for
				  ammonia are specified in NAC
				  445A.118.
d The salinity standards for the
				  Colorado River system are specified in NAC
				  445A.1233.
e The geometric mean must not be
				  exceeded in any 30-day period. The single value must not be exceeded in more
				  than 10 percent of the samples collected within any 30-day period.
f The water quality criteria for toxic
				  materials are specified in NAC
				  445A.1236.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12, 12-20-2012; 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.2156 - Colorado Region: Las Vegas Wash at Telephone Line Road

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  the Las Vegas Wash from the confluence of Sloan Channel and Las Vegas Wash to
				  the Historic Lateral. This segment encompasses the discharge from the Clark
				  County wastewater treatment plant, the City of Las Vegas wastewater treatment
				  plant and the City of Henderson wastewater treatment plant. This segment of the
				  Las Vegas Wash is located in Clark County.
STANDARDS OF WATER QUALITY
Las Vegas Wash at the Historic Lateral
PARAMETER
REQUIREMENTS TO MAINTAIN EXISTING HIGHER
								QUALITY
WATER QUALITY CRITERIA TO PROTECT BENEFICIAL
								USES
Beneficial Usesa
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
Aquatic Life Species of Concern
Warm-water
								fish.[DAGGER]
Temperature [DELTA]Tb -
								°C
[DELTA]T = 0
S.V.<= 34*
*
pH - SU
S.V. 6.5 - 9.0
*
Dissolved Oxygen - mg/L
S.V. >= 5.0
*
Total Inorganic Nitrogen (as N) - mg/L
95% of S.V. samples <= 20
*
Nitrate (as N) - mg/L
S.V. <= 90
*
Nitrite (as N) - mg/L
S.V. <= 5
*
Total Suspended Solids -mg/L
S.V. <= 135c
*
Total Dissolved Solids -mg/L
95% of S.V. samples <= 1900
S.V. <= 3000
*
Fecal Coliform No./100 mL
d
*
E. coli - cfu/100 mL
A.G.M. <= 630
*
Toxic Materials
e
* = The most restrictive beneficial use.
X = Beneficial use.
[DAGGER] Warm-water fish indicates
				  protection of aquatic life warm-water fish, not the establishment of a
				  warm-water fishery.
a Refer to NAC
				  445A.122 and
				  445A.2142 for beneficial use
				  terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone
				  except during storm flow conditions.
c The total suspended solids
				  standard does not apply when flows are greater than 110 percent of average flow
				  as measured at the nearest gage. "Average flow" is defined as the 12-month
				  rolling average of the average monthly flow.
d Any discharge from a point
				  source into the Las Vegas Wash must not exceed a log mean of 200 per 100
				  milliliters based on a minimum of not less than five samples taken over a
				  30-day period, nor may more than 10 percent of the total samples taken during
				  any 30-day period exceed 400 per 100 milliliters.
e The water quality criteria for toxic
				  materials are specified in NAC
				  445A.1236.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; 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.2158 - Colorado Region: Las Vegas Wash at Lake Mead

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  the Las Vegas Wash from the Historic Lateral to its confluence with Lake Mead.
				  This segment of the Las Vegas Wash is located in Clark County.
STANDARDS OF WATER QUALITY
Las Vegas Wash at Lake Mead
PARAMETER
REQUIREMENTS TO MAINTAIN EXISTING HIGHER
								QUALITY
WATER QUALITY CRITERIA TO PROTECT BENEFICIAL
								USES
Beneficial Usesa
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
Aquatic Life Species of Concern
Warm-water
								fish.[DAGGER]
Temperature [DELTA]Tb -
								°C
[DELTA]T = 0
S.V.<=34*
*
pH - SU
S.V. 6.5 - 9.0
*
Dissolved Oxygen - mg/L
S.V.>=5.0 *
*
Total Inorganic Nitrogen (as N) - mg/L
95% of S.V. samples <= 17
*
Nitrate (as N) - mg/L
S.V.<= 90
*
Nitrite (as N) - mg/L
S.V.<= 5
*
Total Suspended Solids -mg/L
S.V.<= 135c
*
Total Dissolved Solids -mg/L
95% of S.V. samples <= 2400
S.V. <= 3000
*
Fecal Coliform - No./100 mL
d
*
E. coli - cfu/100 mL
A.G.M.<= 630
*
Toxic Materials
e
* = The most restrictive beneficial use.
X = Beneficial use.
[DAGGER] Warm-water fish indicates
				  protection of aquatic life warm-water fish, not the establishment of a
				  warm-water fishery.
a Refer to NAC
				  445A.122 and
				  445A.2142 for beneficial use
				  terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing
				  zone.
c The total suspended solids
				  standard does not apply when flows are greater than 110 percent of average flow
				  as measured at the nearest gage. "Average flow" is defined as the 12-month
				  rolling average of the average monthly flow.
d Any discharge from a point
				  source into the Las Vegas Wash must not exceed a log mean of 200 per 100
				  milliliters based on a minimum of not less than five samples taken over a
				  30-day period, nor may more than 10 percent of the total samples taken during
				  any 30-day period exceed 400 per 100 milliliters.
e The water quality criteria for
				  toxic materials are specified in NAC
				  445A.1236.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; 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.2161 - Colorado Region: Lake Las Vegas

Current through June 11, 2024
The limits of this table apply to the entire body of water
				  known as Lake Las Vegas. Lake Las Vegas is located in Clark County.
STANDARDS OF WATER QUALITY
Lake Las Vegas
PARAMETER
REQUIREMENTS TO MAINTAIN EXISTING HIGHER
								QUALITY
WATER QUALITY CRITERIA TO PROTECT BENEFICIAL
								USES
Beneficial Usesa
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
Aquatic Life Species of Concern.
Warm-water fish.
Temperature
[DELTA]Tb -
								°C
[DELTA]T<=2
*
pH - SU
S.V. 6.5 - 9.0
*
Dissolved Oxygen -mg/L
S.V. >= 5.0c
*
Chlorophyll a - µg/L
d
*
*
Turbidity - NTU
S.V. <= 10e
*
Total Dissolved Solids - mg/L
S.V. <= 2000f
*
Fecal Coliform -No./100ml
S.V. <= 1,000
*
E. Coli - cfu/100 mL 
								g
G.M. <= 126
S.V. <= 410
*
Toxic Materials
h
* = The most restrictive beneficial use.
a Refer to NAC
				  445A.122 and
				  445A.2142 for beneficial use
				  terminology.
b Average temperature in the
				  epilimnion should not exceed 2°C above ambient temperature (i.e.,
				  temperature in epilimnion of Lake Mead).
c Applies to the epilimnion when
				  stratified, or average in water column during periods of nonstratification.
d The seasonal average
				  chlorophyll-a concentration within 0-2.5 m, April through September, should not
				  exceed 15 µg/L.
e Turbidity must not exceed that
				  characteristic of natural conditions by more than 10 Nephelometric Turbidity
				  Units (NTU).
f The salinity standards for the
				  Colorado River system are specified in NAC
				  445A.1233.
g The geometric mean must not be
				  exceeded in any 30-day period. The single value must not be exceeded in more
				  than 10 percent of the samples collected within any 30-day period.
h The water quality criteria for
				  toxic materials are specified in NAC
				  445A.1236.
The Commission recognizes that storm waters from Las Vegas
				  Wash may enter Lake Las Vegas during storm and flashflood events and that
				  localized exceedance of the standards may occur during such events.
Added to
				  NAC by Environmental Comm'n by
				  R037-19A,
				  eff. 10/30/2019
NRS
				  445A.425,
				  445A.520
Nevada Administrative Code › Chapter 445A - Water Controls › WATER POLLUTION CONTROL › Standards for Water Quality › Section 445A.2162 - Colorado Region: Virgin River at the state line

Current through June 11, 2024
The limits of this table apply to the body of water known as
				  the Virgin River at the Arizona-Nevada state line, near Littlefield, Arizona.
				  This segment of the Virgin River is located in Clark County.
STANDARDS OF WATER QUALITY
Virgin River at the state line
PARAMETER
REQUIREMENTS TO MAINTAIN
							 EXISTING HIGHER QUALITY
WATER QUALITY STANDARDS FOR
							 BENEFICIAL USES
Beneficial
							 Usea
Livestock
Irrigation
Aquatic
Contact
Noncontact
Municipal
Industrial
Wildlife
Aesthetic
Enhance
Marsh
Beneficial Uses
X
X
X
X
X
X
Aquatic Life Species of Concern
Temperature - °C
							 [DELTA]Tb - °C
[DELTA]T
= 0
S.V. Nov-Jun S.V. Jul-Oct DT
[LESS THEN OR EQUAL TO] 21 [LESS THEN OR EQUAL TO] 32
							 [LESS THEN OR EQUAL TO] 2
*
pH - SU
S.V. DpH
6.5 - 9.0 ± 0.5
X
X
*
X
X
*
Dissolved Oxygen - mg/l
S.V.
[GREATER THEN OR EQUAL TO] 5.0
X
*
X
X
Total Phosphates (as P) - mg/l
A-Avg. S.V.
[LESS THEN OR EQUAL TO] 0.06 [LESS THEN OR
							 EQUAL TO] 0.1
A-Avg.
[LESS THEN OR EQUAL TO] 0.1
*
X
Nitrogen Species (as N) - mg/l
Total Nitrogen
Nitrate S.V. Nitrite S.V.
[LESS THEN OR EQUAL TO] 90 [LESS THEN OR
							 EQUAL TO] 5.0
X
*
X
X
A-Avg. S.V.
[LESS THEN OR EQUAL TO] 2.4 [LESS THEN OR
							 EQUAL TO] 3.2
Total Ammonia (as N) - mg/l
c
*
Turbidity - NTU
d
*
Color - PCU
e
*
Total Dissolved Solids - mg/l
f
X
*
Alkalinity (as CaCO3) -
							 mg/l
25% change from natural conditions
*
X
E. coli - No./100 ml
A.G.M.
[LESS THEN OR EQUAL TO] 630
*
Fecal Coliform - No./100 ml
A.G.M. S.V.
[LESS THEN OR EQUAL TO] 450 [LESS THEN OR
							 EQUAL TO] 1800
S.V.
[LESS THEN OR EQUAL TO] 1,000
X
*
X
X
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and
				  445A.2142 for beneficial use terminology.
b Maximum allowable increase in
				  temperature above water temperature at the boundary of an approved mixing zone,
				  but the increase must not cause a violation of the single value
				  standard.
c The ambient water quality
				  criteria for ammonia are specified in NAC 445A.118.
d Increase in turbidity must not
				  be more than 10 NTU above natural conditions.
e Increase in color must not be
				  more than 10 PCU above natural conditions.
f The salinity standard for the
				  Colorado River System is specified in NAC 445A.1233.
Added to NAC by
				  Environmental Comm'n by R160-06, eff. 8-26-2008; A by R131-12,
				  12-20-2012
NRS
					 445A.425,
					 445A.520