Nevada Administrative Code
Chapter 445A - Water Controls
WATER POLLUTION CONTROL
Standards for Water Quality
Section 445A.1442 - Humboldt Region: Humboldt River at Battle Mountain
The limits of this table apply to the body of water known as the Humboldt River from the Palisade Gage to the Battle Mountain Gage. This segment of the Humboldt River is located in Eureka and Lander Counties.
STANDARDS OF WATER QUALITY
Humboldt River at Battle Mountain
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 [DELTA]Tb - °C | [DELTA]T | = 0 | [DELTA]T | [LESS THEN OR EQUAL TO] 2 | * | X | ||||||||||
pH - SU | A-Avg. S.V. | 7.0 - 8.47.0 - 8.6 | S.V. [DELTA]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 | Total Nitrogen | Nitrate S.V. Nitrite S.V. | [LESS THEN OR EQUAL TO] 10 [LESS THEN OR EQUAL TO] 1.0 | X | X | X | * | X | ||||||||
A-Avg. S.V. Apr-Nov | [LESS THEN OR EQUAL TO] 1.9 [LESS THEN OR EQUAL TO] 4.0 | |||||||||||||||
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] 425 [LESS THEN OR EQUAL TO] 520 | A-Avg. | [LESS THEN OR EQUAL TO] 500 | X | X | * | |||||||||
Chloride - mg/l | A-Avg. S.V. | [LESS THEN OR EQUAL TO] 50 [LESS THEN OR EQUAL TO] 70 | 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] 410 | * | X | ||||||||||||
Fecal Coliform -No./100 ml | A.G.M. S.V. | [LESS THEN OR EQUAL TO] 50 [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.
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