Impaired Water - Granite Lake (Granite Lake)
Barron County, Wisconsin
LC09
2100800
154.94
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Granite Lake was evaluated for phosphorus and algae every two years between 2012 and 2020. Chlorophyll-a values were too high as seen in algal blooms on the lake during the summer months. This lake is covered by a restoration plan: Jackson Creek Watershed Restoration Plan (expires 2026).
Listing Details
Pollutant
Unknown Pollutant
Listed For
Recreation
Impairments
Excess Algal Growth
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Full Body Contact - Swimming, Boating
Priority
Low
Designated Use
Full Body Contact - Swimming, Boating
303(d) ID
2014-269
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2018 listing cycle; new chlorophyll sample data exceeded 2018 WisCALM listing thresholds for the Recreation use. Chlorophyll sample data were clearly below listing thresholds for the Fish and Aquatic Life use.
Date
7/12/2017

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
1/13/2014

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 did not exceed REC thresholds. Total phosphorus and chlorophyll data were clearly below Fish and Aquatic Life listing thresholds.
Date
10/19/2015

Impaired Water Notes
This water was assessed during the 2020 listing cycle; new chlorophyll sample data exceeded 2020 WisCALM listing thresholds for the Recreation use. This lake is covered by a restoration plan: Jackson Creek Watershed Restoration Plan (2026).
Date
7/24/2019