Trempealeau County, Wisconsin
BT02, BT03
1769900
31.28 - 51.72
20.44
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of Trempealeau River was evaluated every two-year cycle from 2016 to 2024. In the 2018 cycle phosphorus levels were found to be too high and this river segment was put on the Impaired Waters List. In the 2022 cycle bacteria data were above the new E. coli criteria. Pollutant
E. coli
Listed For
Recreation
Impairments
Recreational Restrictions - Pathogens
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Recreation
Priority
Low
Designated Use
Recreation
303(d) ID
2022-022
Listing Date
4/1/2022
Impaired Water Notes
This water was assessed during the 2022 listing cycle; new E. coli sample data exceeded 2022 WisCALM listing criteria for Recreation Use.
Date
6/12/2021
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
High Phosphorus Levels
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
2018-127
Listing Date
4/1/2018
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data overwhelmingly exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use, however, available biological data do not indicate impairment (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category).
Date
7/25/2017