Nev. Admin. Code § 445A.2172 - Colorado Region: Muddy River at the Wells Siding Diversion

The limits of this table apply to the body of water known as the Muddy River from the Glendale Bridge to the Wells Siding Diversion. This segment of the Muddy River is located in Clark County.

STANDARDS OF WATER QUALITY

Muddy River at the Wells Siding Diversion

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

[DELTA]T

= 0°C

15[LESS THEN OR EQUAL TO]T[LESS THEN OR EQUAL TO]30

*

[DELTA]"T

[LESS THEN OR EQUAL TO]2°C

pH Units

S.V. [DELTA]pH

6.5 - 9.0 ±0.5 Max.

X

X

*

X

X

X

*

Dissolved Oxygen - mg/l

S.V.

[GREATER THEN OR EQUAL TO]5.0

X

*

X

X

X

Total Phosphorus (as P) - mg/l

A-Avg.

[LESS THEN OR EQUAL TO]0.3

*

X

X

Nitrogen Species (as N) - mg/l

Nitrate S.V. Nitrite S.V.

[LESS THEN OR EQUAL TO]90 [LESS THEN OR EQUAL TO]5.0

X

*

X

X

X

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./100ml

A.G.M. S.V.

[LESS THEN OR EQUAL TO] 126 [LESS THEN OR EQUAL TO] 410

*

X

Fecal Coliform - No./100ml

S.V.

[LESS THEN OR EQUAL TO] 1,000

X

*

X

X

Fluoride (as total recoverable) - mg/l

S.V.

[LESS THEN OR EQUAL TO] 2.6

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.

Notes

Nev. Admin. Code § 445A.2172

Added to NAC by Environmental Comm'n by R083-08, eff. 8-26-2008; A by R131-12, 12-20-2012

NRS 445A.425, 445A.520