Washington County, Wisconsin
UR09
851100
4.11 - 6.14
2.03
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
On 303d list. Also on 2002 trout streams list. This segment of Mason Creek has been listed on the state's 303d impaired water list since 1998 for Total Suspended Solids and Total Phosphorus. Pollutant
Sediment/Total Suspended Solids
Listed For
Fish and Aquatic Life
Impairments
Elevated Water Temperature, Low DO
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Coldwater - stocked, reproduction
Priority
Not Applicable
Designated Use
Coldwater - stocked, reproduction
303(d) ID
270
Listing Date
4/1/1998
Impaired Water Notes
Mason Creek (851100, miles 0-6.14) is a part of the Rock River Basin and is listed as impaired for total phosphorus and sediment/total suspended solids. The Rock River Basin TMDLs for phosphorus and sediment were approved by the USEPA September 28, 2011.
Date
5/8/2012
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Low DO
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Coldwater - stocked, reproduction
Priority
Not Applicable
Designated Use
Coldwater - stocked, reproduction
303(d) ID
270
Listing Date
4/1/1998
Impaired Water Notes
Mason Creek (851100, miles 0-6.14) is a part of the Rock River Basin and is listed as impaired for total phosphorus and sediment/total suspended solids. The Rock River Basin TMDLs for phosphorus and sediment were approved by the USEPA September 28, 2011.
Date
5/8/2012