Impaired Water - Green Lake (Green Lake (Big Green))
Green Lake County, Wisconsin
UF07
146100
7,485.65
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Green Lake was placed on the 303(d) list for PCBs in fish tissue in 2002 and for Total Phosphorus and Dissolved Oxygen in 2014. Green Lake was evaluated for phosphorus and chlorophyll from 2012 - 2020; phosphorus levels were too high from 2014 - 2020, but no chlorophyll impairment was found. Chloride was also evaluated and found not to be an issue. This water is covered by the Upper Fox & Wolf River Basins TMDL, approved by the US EPA on February 27, 2020.
Listing Details
Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Low DO
Current Use
Restricted Recreation
Listing Status
TMDL Approved
Attainable Use
Full Body Contact - Swimming, Boating
Priority
Not Applicable
Designated Use
Full Body Contact - Swimming, Boating
303(d) ID
2014-224
Listing Date
4/1/2014
Impaired Water Notes
This water was assessed during the 2018 listing cycle; total phosphorus sample data exceed 2018 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data do not exceed REC or FAL thresholds.
Date
7/11/2017

Impaired Water Notes
This water was assessed during the 2014 listing cycle; total phosphorus sample data exceed 2014 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however, and chlorophyll data do not exceed REC thresholds . Dissolved oxygen levels were assessed and determined to be an impairment.
Date
12/31/2013

Impaired Water Notes
This water was assessed during the 2020 listing cycle; total phosphorus sample data clearly exceeded 2020 WisCALM listing thresholds for the Recreation use and Fish and Aquatic Life use, however chlorophyll data did not exceed REC or FAL thresholds. Chloride data were also assessed but did not exceed 2020 WisCALM criteria. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
6/19/2019

Impaired Water Notes
This water is covered by the Upper Fox & Wolf River Basins TMDL, approved by the US EPA on February 27, 2020.
Date
3/4/2020

 
Pollutant
PCBs
Listed For
Fish Consumption
Impairments
PCBs Contaminated Fish Tissue
Current Use
Specific Restricted Fish Consumption
Listing Status
303d Listed
Attainable Use
Unrestricted Fish Consumption
Priority
Low
Designated Use
Unrestricted Fish Consumption
303(d) ID
623
Listing Date
4/1/2002