Impaired Water - Sheboygan River (Sheboygan River)
Fond Du Lac, Sheboygan County, Wisconsin
SH03
50700
56.03 - 76.85
20.82
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This segment of the Sheboygan River was evaluated the 2014, 2018, 2020 2022, and 2024 cycles. Phosphorus levels were too high; this stream was put on the Impaired Waters List in 2020 for phosphorus. This water is covered by the Northeast Lakeshore TMDL, approved in 2023.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
High Phosphorus Levels
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
2020-108
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 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
7/12/2019

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 Fish and Aquatic Life use.
Date
5/24/2021