Calumet County, Wisconsin
MA04
77300
35.16
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Becker Lake was evaluated for phosphorus and algae every two years between 2016 and 2024. Phosphorus levels were found to be too high. This water is covered by a watershed plan: CalMan Lakes Watershed Plan (2028). This water is part of the Northeast Lakeshore TMDL, approved in 2023.Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Excess Algal Growth, Eutrophication
Current Use
Restricted Recreation
Listing Status
TMDL Approved
Attainable Use
Recreation
Priority
Not Applicable
Designated Use
Recreation
303(d) ID
2016-198
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus and chlorophyll sample data exceeded 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use.
Date
7/10/2017
Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus and chlorophyll sample data exceed 2016 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use.
Date
8/2/2015
Impaired Water Notes
This water was assessed during the 2020 listing cycle; total phosphorus sample data overwhelmingly exceeded 2020 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, and chlorophyll data also exceeded REC and FAL thresholds. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
6/19/2019
Impaired Water Notes
This lake is covered by a watershed plan and this listing was classified as Category 5W as a result: CalMan Lakes Watershed Plan (2028).
Date
8/14/2019
Impaired Water Notes
This water was assessed during the 2022 listing cycle; total phosphorus sample data overwhelmingly exceeded 2022 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, and chlorophyll data also exceeded REC and FAL thresholds. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
5/26/2021