Impaired Water - Big Rib River (Big Rib River)
Taylor County, Wisconsin
CW26
1451800
44.80 - 49.91
5.11
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 2022. Phosphorus levels were found to be too high. This water is part of the Wisconsin River TMDL.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Coldwater - natural reproduction
Listing Status
TMDL Approved
Attainable Use
Coldwater - natural reproduction
Priority
Not Applicable
Designated Use
Coldwater - natural reproduction
303(d) ID
2018-105
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, available biological data do not indicate impairment. New fish sample data were assessed but no fish Index of Biotic Integrity (IBI) scored in the "poor" condition category.
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 criteria for the 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). Based on the most updated information, no change in existing impaired waters listing is needed.
Date
7/29/2019