Brown, Kewaunee County, Wisconsin
TK03
90700
16.36 - 27.89
11.53
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Kewaunee River was put on the Impaired Waters List for PCBs in the 1998 cycle. This portion of the Kewaunee River was evaluated for phosphorus in the 2020 and 2022 cycles; levels were found to be too high for healthy aquatic communities like plants, bugs, and fish. Phosphorus was added to the list in the 2020 cycle.Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
High Phosphorus Levels
Current Use
Unsupported Aquatic Life
Listing Status
TMDL Approved
Attainable Use
WWFF - Warmwater Forage Fishery
Priority
Not Applicable
Designated Use
WWFF - Warmwater Forage Fishery
303(d) ID
2020-046
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 thresholds for the Fish and Aquatic Life use, however, no biological data (i.e. no macroinvertebrate or fish Index of Biotic Integrity (IBI) scores) were available to assess biological impairment.
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 thresholds for the Fish and Aquatic Life use.
Date
5/24/2021
Pollutant
PCBs
Listed For
Fish Consumption
Impairments
PCBs Contaminated Fish Tissue
Current Use
Specific Restricted Fish Consumption
Listing Status
303d Listed
Attainable Use
General Fish Consumption Advice
Priority
Low
Designated Use
General Fish Consumption Advice
303(d) ID
219
Listing Date
4/1/1998