Washington County, Wisconsin
UR10
855200
122.40
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Druid Lake was placed on the impaired waters list for excess algal growth in 2014. New data indicated good conditions and the water was delisted in 2018. This lake was assessed in each biennial cycle from 2014 to 2024 for the parameters total phosphorus and chlorophyll-a (measure of algae). This water is managed for boating, fishing, swimming, and aquatic life; it is currently considered in good condition. New data during 2026 cycle indicated high Chl-a and suggests impairment for recreational use; data for total phosphorous related to recreation and aquatic life and Chl-a collected during 2026 cycle indicated clearly meeting attainment standards.Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Excess Algal Growth
Current Use
Restricted Recreation
Listing Status
Proposed for List
Attainable Use
Recreation
Priority
Designated Use
Recreation
303(d) ID
2026-13
Listing Date
4/1/2026
Pollutant
Unknown Pollutant
Listed For
Recreation
Impairments
Excess Algal Growth
Current Use
Restricted Recreation
Listing Status
Water Delisted
Attainable Use
Recreation
Priority
Delisted 2018
Designated Use
Recreation
303(d) ID
2014-242
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus and chlorophyll sample data were clearly below 2018 WisCALM listing thresholds for the Recreation use and the Fish and Aquatic Life use. This water is proposed for delisting in 2018.
Date
7/14/2017
Impaired Water Notes
This water was assessed during the 2014 listing cycle; chlorophyll sample data exceed 2014 WisCALM listing thresholds for the Recreation use, however, total phosphorus data do not exceed REC thresholds . Total phosphorus and chlorophyll data do not exceed Fish and Aquatic Life thresholds.
Date
1/9/2014
Impaired Water Notes
This water was assessed during the 2016 listing cycle; chlorophyll sample data exceed 2016 WisCALM listing thresholds for the Recreation use, however, total phosphorus were clearly below REC thresholds. Total phosphorus and chlorophyll data were clearly below Fish and Aquatic Life listing thresholds.
Date
10/19/2015