Impaired Water - Mullet River (Mullet River)
Sheboygan County, Wisconsin
SH05
53400
17.76 - 23.67
5.91
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This water's macroinvertebrate (bug) community health was assessed in this water in 2016 and 2018. Samples showed no impairment.
This portion of the Mullet River was assessed for phosphorus in 2020 and levels were higher than the criteria. Mullet River was put on the Impaired Waters List for phosphorus in the 2020 cycle. This water is covered by the Northeast Lakeshore TMDL, approved in 2023. New water quality data reviewed in the 2024 cycle indicated no additional pollutants.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Impairment Unknown
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
Coldwater - stocked, reproduction
Priority
Not Applicable
Designated Use
Coldwater - stocked, reproduction
303(d) ID
2020-083
Listing Date
4/1/2020
Impaired Water Notes
This water was assessed during the 2020 listing cycle; new total phosphorus sample data 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
6/28/2019