Taylor County, Wisconsin
CW18
1432700
8.70 - 12.49
3.79
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of the West Branch Big Eau Pleine River was evaluated for phosphorus and biology every two years between 2014 and 2024. Phosphorus levels were found to be too high. This water is part of the Wisconsin River TMDL.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Degraded Biological Community
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
2014-133
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data overwhelmingly exceed 2018 WisCALM listing thresholds 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
7/19/2017
Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data overwhelmingly exceed 2014 WisCALM listing criteria for the Fish and Aquatic Life use and biological impairment was observed (i.e. at least one macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the poor condition category).
Date
1/27/2014
Impaired Water Notes
This water is part of the 2019 approved Wisconsin River TMDL addressing Total Phosphorus and Total Suspended Solids.
Date
6/10/2019
Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data overwhelmingly exceed 2020 WisCALM listing thresholds 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. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
7/29/2019
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new total phosphorus sample data overwhelmingly exceed 2022 WisCALM listing thresholds for the Fish and Aquatic Life use. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
5/21/2021