The limits of this table apply to the body of water known as Edgewood Creek from 50 feet downstream from the culvert at Palisades Drive to its confluence with Lake Tahoe. This segment of Edgewood Creek is located in Douglas County.
STANDARDS OF WATER QUALITY
Edgewood Creek at Stateline
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 | X | |||||||
Aquatic Life Species of Concern | Cold-water fishery. | |||||||||||||||
Temperature - °C | S.V. Oct-May S.V. Jun-Sep | [LESS THEN OR EQUAL TO] 10.0 [LESS THEN OR EQUAL TO] 20.0 | * | X | ||||||||||||
pH - SU | S.V. | 7.0 - 8.4 | S.V. | 6.5 - 9.0 | X | X | * | * | X | X | * | |||||
Dissolved Oxygen - mg/l | S.V. | [GREATER THEN OR EQUAL TO] 6.0 | X | * | X | X | X | X | ||||||||
Total Phosphates (as P) - mg/l | S.V. | [LESS THEN OR EQUAL TO] 0.065 | A-Avg. | [LESS THEN OR EQUAL TO] 0.05 | * | X | X | X | * | |||||||
Nitrogen Species (as N) - mg/l | Total Nitrogen | Nitrate S.V. Nitrite S.V. | [LESS THEN OR EQUAL TO] 10.0 [LESS THEN OR EQUAL TO] 0.06 | X | X | * | X | * | ||||||||
S.V. | [LESS THEN OR EQUAL TO] 0.4 | |||||||||||||||
Unionized Ammonia - mg/l | S.V. | [LESS THEN OR EQUAL TO] 0.004 | * | X | ||||||||||||
Total Suspended Solids - mg/l | S.V. | [LESS THEN OR EQUAL TO] 17.0 | S.V. | [LESS THEN OR EQUAL TO] 25.0 | * | * | ||||||||||
Turbidity - NTU | S.V. | [LESS THEN OR EQUAL TO] 10.0 | * | * | ||||||||||||
Color - PCU | No increase 10 | S.V. | [LESS THEN OR EQUAL TO] 75.0 | * | * | |||||||||||
Total Dissolved Solids - mg/l | A-Avg. | [LESS THEN OR EQUAL TO] 500.0 | X | X | * | |||||||||||
Chloride - mg/l | S.V. | [LESS THEN OR EQUAL TO] 250.0 | X | * | X | X | ||||||||||
Sulfate - mg/l | S.V. | [LESS THEN OR EQUAL TO] 250.0 | * | |||||||||||||
Sodium - SAR | A-Avg. | [LESS THEN OR EQUAL TO] 8.0 | * | |||||||||||||
E. coli - No./100 ml | S.V. | [LESS THEN OR EQUAL TO] 126.0 | * | X |
* = The most restrictive beneficial use.
X = Beneficial use.
a Refer to NAC 445A.122 and 445A.1622 for beneficial use terminology.
Nev. Admin. Code § 445A.1666
NRS 445A.425, 445A.520