Impaired Water - Trempealeau River (Trempealeau River)
Jackson County, Wisconsin
BT05
1769900
69.85 - 81.51
11.66
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of the Trempealeau River was evaluated for biology in 2014 and 2020; bug and fish communities were in good health.

This water was evaluated for phosphorus in 2018. Phosphorus levels were found to be too high.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
High Phosphorus Levels
Current Use
Coldwater - stocked, reproduction
Listing Status
303d Listed
Attainable Use
Coldwater - stocked, reproduction
Priority
Low
Designated Use
Coldwater - stocked, reproduction
303(d) ID
2018-128
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. New fish sample data and existing macroinvertebrate sample data were assessed, however, no macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the "poor" condition category.
Date
7/26/2017