Statutes, codes, and regulations
Nevada Administrative Code
Chapter 445A - Water ControlsWATER POLLUTION CONTROL
Standards for Water Quality
Section 445A.1356 - Snake Region: Owyhee River, below Mill Creek

Nev. Admin. Code § 445A.1356

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Current through November 8, 2024
Section 445A.1356 - Snake Region: Owyhee River, below Mill Creek

The limits of this table apply to the body of water known as the Owyhee River from its confluence with Mill Creek to the border of the Duck Valley Indian Reservation. This segment of the Owyhee River is located in Elko County.

STANDARDS OF WATER QUALITY

Owyhee River, below Mill 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 X
Aquatic Life Species of Concern
Temperature - °C [DELTA]Tb - °C [DELTA]T = 0 S.V. May-Oct S.V. Nov-Apr [DELTA]T 21 7 1 * X
pH - SU [DELTA]pH ±0.5 S.V.6.5 - 9.0 * 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] 0.1 * * X X
Nitrogen Species (as N) - mg/l Nitrate S.V. [LESS THEN OR EQUAL TO] 1.0 Nitrate S.V. Nitrite S.V. [LESS THEN OR EQUAL TO] 10 [LESS THEN OR EQUAL TO] 0.06 * X X *
Total Ammonia (as N) - mg/lc *
Suspended Solids - mg/l S.V. [LESS THEN OR EQUAL TO] 25 * X
Turbidity - NTU S.V. [LESS THEN OR EQUAL TO] 10 * X
Color - PCU S.V. [LESS THEN OR EQUAL TO] 75 *
Total Dissolved Solids - mg/l S.V. [LESS THEN OR EQUAL TO] 250 S.V. [LESS THEN OR EQUAL TO] 500 X X *
Chloride - mg/l S.V. [LESS THEN OR EQUAL TO] 8.0 S.V. [LESS THEN OR EQUAL TO] 250 X X * X
Sulfate - mg/l S.V. [LESS THEN OR EQUAL TO] 250 *
Alkalinity (as CO3) - 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] 125 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.1332 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.

Nev. Admin. Code § 445A.1356

Added to NAC by Environmental Comm'n by R160-06, eff. 8-26-2008; A by R133-10, 12-16-2010; R131-12, 12-20-2012

NRS 445A.425, 445A.520