Impaired Water - Decatur Lake (Decatur Lake)
Green County, Wisconsin
SP11, SP12
879400
109.24
Water is impaired due to one or more pollutants and associated quality impacts.
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.

New chlorophyll data were assessed during the 2020 listing cycle, however conditions were unclear for Recreation use.
Listing Details
Pollutant
Total Phosphorus
Listed For
Recreation
Impairments
Impairment Unknown
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Full Body Contact - Swimming, Boating
Priority
Medium
Designated Use
Full Body Contact - Swimming, Boating
303(d) ID
2014-312
Listing Date
4/1/2014
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.
Date
2/28/2014