Taylor County, Wisconsin
CW26
1451800
49.91 - 55.13
5.22
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of the Big Rib River was evaluated for phosphorus and biology every two-year cycle from 2018 to 2024. Phosphorus levels were found to be too high, resulting in placement on the Impaired Waters List. This water is part of the Wisconsin River TMDL, approved in 2019.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
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
2018-106
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data exceed 2018 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
7/25/2017
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 exceeded 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 exceeded 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