The limits of this table apply to the body of water known as Ash Canyon from its origin to the first point of diversion of the Carson City Water Department, near the west line of section 12, T. 15 N., R. 19 E., M.D.B. & M. Ash Canyon is located in Carson City.
STANDARDS OF WATER QUALITY
Ash Canyon
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 DTb - °C | S.V. [DELTA]T | [LESS THEN OR EQUAL TO] 20 = 0 | * | X | ||||||||||||
pH - SU | S.V. | 6.5 - 9.0 | X | 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] 0.10 | * | * | 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] 410 | * | 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.1792 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.1844
NRS 445A.425, 445A.520