Trempealeau County, Wisconsin
BT03
1786700
0.00 - 6.49
6.49
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Assessments during the 2020 and 2022 listing cycles show total phosphorus levels too high for healthy aquatic communities like plants, fish, and bugs. However, biological data (fish) were in excellent condition. This stream segment was put on the Impaired Waters List in 2020.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
High Phosphorus Levels
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
Salmonid Populations Stocked
Priority
Low
Designated Use
Salmonid Populations Stocked
303(d) ID
2020-023
Listing Date
4/1/2020
Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data overwhelmingly exceed 2020 WisCALM listing criteria for the Aquatic Life use, however, available biological data do not indicate impairment (i.e. no fish Index of Biotic Integrity (IBI) scored in the "poor" condition category).
Date
7/24/2019
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new total phosphorus sample data overwhelmingly exceed 2022 WisCALM listing criteria for the Aquatic Life use.
Date
5/24/2021