Impaired Water - Turtle Creek (Turtle Creek)
Walworth County, Wisconsin
LR01
790300
24.77 - 35.58
10.81
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Turtle Creek was put on the Impaired Waters List for total phosphorus in 1998. The phosphorus listing was confirmed in the 2018, 2020, and 2024 assessments. Fish and bug communities were in fair condition. Evaluation of chloride in the 2022 cycles showed good conditions.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Low DO
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Default - Fish and Aquatic Life
Priority
Not Applicable
Designated Use
Default - Fish and Aquatic Life
303(d) ID
492
Listing Date
4/1/1998
Impaired Water Notes
Turtle Creek (790300, miles 24.77-35.58) is a part of the Rock River Basin and is listed as impaired for total phosphorus. The Rock River Basin TMDLs for phosphorus and sediment were approved by the USEPA September 28, 2011.
Date
5/8/2012

Impaired Water Notes
New data confirms total phosphorus listing in 2020 assessment. Macroinvertebrate assessment maintains good condition.
Date
6/5/2019