Nevada Administrative Code (Last Updated: January 6, 2015) |
Chapter445A Water Controls |
WATER POLLUTION CONTROL |
Standards for Water Quality |
NAC445A.1648. Truckee Region: Second Creek at Lakeshore Drive.
- The limits of this table apply to the body of water known as Second Creek from Second Creek Drive to its confluence with Lake Tahoe. This segment of Second Creek is located in Washoe County.
STANDARDS OF WATER QUALITY
Second Creek at Lakeshore 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 - 8.2
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
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
≤ 0.3
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
S.V.
A-Avg.
≤ 80
≤ 60
A-Avg.
≤ 500.0
X
X
*
Chloride - mg/l
S.V.
A-Avg.
≤ 6.0
≤ 3.0
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)