Winnebago County, Wisconsin
WR01, WR04
251800
0.00 - 13.14
13.14
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of Rat River was put on the Impaired Waters List for Total Phosphorus during the 1998 cycle. Evaluations in the 2016 cycle identified elevated water temperature impairment. Evaluation in the 2022 cycle confirmed elevated phosphorus. This water is covered by the Upper Fox & Wolf River Basins TMDL, approved by the US EPA on February 27, 2020.Pollutant
Unknown Pollutant
Listed For
Fish and Aquatic Life
Impairments
Elevated Water Temperature
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
WWSF - Warmwater Sport Fishery
Priority
Low
Designated Use
WWSF - Warmwater Sport Fishery
303(d) ID
2016-048
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2016 listing cycle; temperature data exceeded 2016 WisCALM listing thresholds for the Fish and Aquatic Life use.
Date
8/30/2015
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Low DO
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
WWSF - Warmwater Sport Fishery
Priority
Not Applicable
Designated Use
WWSF - Warmwater Sport Fishery
303(d) ID
378
Listing Date
4/1/1998
Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data exceed 2014 WisCALM listing criteria for the Fish and Aquatic Life use, however, no biological data (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scores) were available to assess biological impairment).
Date
2/27/2014
Impaired Water Notes
This water is covered by the Upper Fox & Wolf River Basins TMDL, approved by the US EPA on February 27, 2020.
Date
3/4/2020
Impaired Water Notes
This water was assessed during the 2022 listing cycle; total phosphorus sample data exceed 2022 WisCALM listing criteria for the Fish and Aquatic Life use.
Date
5/25/2021