The limits of this table apply to the entire body of water known as Washoe Lakes. Washoe Lakes is located in Washoe County.
STANDARDS OF WATER QUALITY
Washoe Lakes
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 | S.V. [DELTA]T | [LESS THEN OR EQUAL TO] 34 [LESS THEN OR EQUAL TO] 3 | * | X | |||||||||||
pH - SU | S.V. | 6.5 - 9.0 | 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 | S.V. | [LESS THEN OR EQUAL TO] 0.33 | * | * | X | X | |||||||||
Total Ammonia (as N) - mg/l | c | * | X | ||||||||||||
Total Dissolved Solids - mg/l | S.V. | [LESS THEN OR EQUAL TO] 500 or the 95th percentile (whichever is less). | X | 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 | 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.1622 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.1722
NRS 445A.425, 445A.520