Nev. Admin. Code § 445A.1448 - Humboldt Region: Humboldt River at Woolsey

The limits of this table apply to the body of water known as the Humboldt River from Imlay to Woolsey. This segment of the Humboldt River is located in Pershing County.

STANDARDS OF WATER QUALITY

Humboldt River at Woolsey

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

Warm-water fishery.

Temperature - °C [DETLA]Tb - °C

[DETLA]T

= 0

[DETLA]T

[LESS THEN OR EQUAL TO] 2

*

X

pH - SU

A-Avg. S.V.

7.0 - 8.97.0 - 9.0

S.V. [DETLA] pH

6.5 - 9.0 ± 0.5

X

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

Apr-Nov Seasonal Avg.

[LESS THEN OR EQUAL TO] 0.1

*

X

X

X

Nitrogen species (as N) - mg/l

Nitrate S.V. Nitrite S.V.

[LESS THEN OR EQUAL TO] 10 [LESS THEN OR EQUAL TO] 1.0

X

X

X

*

X

Total Ammonia (as N) - mg/l

c

*

Suspended Solids - mg/l

Annual Median

[LESS THEN OR EQUAL TO] 80d

*

Turbidity - NTU

S.V.

[LESS THEN OR EQUAL TO] 50

*

X

Color - PCU

e

No Adverse Effects

*

Total Dissolved Solids - mg/l

A-Avg. S.V.

[LESS THEN OR EQUAL TO] 600 [LESS THEN OR EQUAL TO] 700

A-Avg.

[LESS THEN OR EQUAL TO] 1000

X

X

*

Chloride - mg/l

A-Avg. S.V.

[LESS THEN OR EQUAL TO] 130 [LESS THEN OR EQUAL TO] 175

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

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

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.1432 for beneficial use terminology.

^b Maximum allowable increase in temperature above water temperature at the boundary of an approved mixing zone.

^c The ambient water quality criteria for ammonia are specified in NAC 445A.118.

^d The maximum allowable point source discharge is S.V. [LESS THEN OR EQUAL TO] 80 mg/l of suspended solids.

^e Increase in color must not be more than 10 PCU above natural conditions.

Notes

Nev. Admin. Code § 445A.1448

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