Nev. Admin. Code § 445A.2178 - Colorado Region: Beaver Dam Wash

The limits of this table apply to the body of water known as the Beaver Dam Wash above Schroeder Reservoir. The Beaver Dam Wash is located in Lincoln County.

STANDARDS OF WATER QUALITY

Beaver Dam Wash

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

DT

= 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. DpH

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] 0.01 [LESS THEN OR EQUAL TO] 0.013

A-Avg.

[LESS THEN OR EQUAL TO] 0.05

*

*

X

X

Nitrogen Species (as N) - mg/l

Nitrate S.V.

[LESS THEN OR EQUAL TO] 0.22

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

e

X

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

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.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 color must not be more than 10 PCU above natural conditions.

^e The salinity standard for the Colorado River System is specified in NAC 445A.1233.

Notes

Nev. Admin. Code § 445A.2178

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