NAC445A.1664. Truckee Region: Edgewood Creek at Palisades Drive.  


Latest version.
  • The limits of this table apply to the body of water known as Edgewood Creek from its origin to 50 feet downstream from the culvert at Palisades Drive. This segment of Edgewood Creek is located in Douglas County.

    STANDARDS OF WATER QUALITY

    Edgewood Creek at Palisades Drive

    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

    ≤ 10.0

    ≤ 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.

    ≥ 6.0

    X

    *

    X

    X

    X

    X

    Total Phosphates

    (as P) - mg/l

    S.V.

    ≤ 0.100

    A-Avg.

    ≤ 0.05

    *

    X

    X

    X

    *

    Nitrogen Species

    (as N) - mg/l

    Total Nitrogen

    Nitrate S.V. Nitrite S.V.

    ≤ 10.0

    ≤ 0.06

    X

    X

    *

    X

    *

    S.V.

    A-Avg.

    ≤ 0.6

    ≤ 0.6

    Unionized Ammonia - mg/l

    S.V.

    ≤ 0.004

    *

    X

    Total Suspended Solids - mg/l

    S.V.

    ≤ 25.0

    *

    *

    Turbidity - NTU

    S.V.

    ≤ 10.0

    *

    *

    Color - PCU

    No increase > 10

    S.V.

    ≤ 75.0

    *

    *

    Total Dissolved Solids - mg/l

    A-Avg.

    ≤ 500.0

    X

    X

    *

    Chloride - mg/l

    S.V.

    ≤ 250.0

    X

    *

    X

    X

    Sulfate - mg/l

    S.V.

    ≤ 250.0

    *

    Sodium - SAR

    A-Avg.

    ≤ 8.0

    *

    E. coli - No./100 ml

    S.V.

    ≤ 126.0

    *

    X

    * = The most restrictive beneficial use.

    X = Beneficial use.

    a     Refer to NAC 445A.122 and 445A.1622 for beneficial use terminology.

     (Added to NAC by Environmental Comm’n by R160-06, eff. 8-26-2008)