Impaired Water - Lake Mendota (Mendota County Park Beach)
Dane County, Wisconsin
LR10
805400
0.36
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This beach was assessed for the 2014 Impaired Waters List and E. coli data exceed 2014 WisCALM listing criteria indicating a Recreation use impairment.

This beach was reassessed for the 2016 listing cycle using the most recent data (added 2014) and E. coli data exceed 2016 WisCALM listing criteria indicating a Recreational use impairment.

This beach was assessed during the 2018 listing cycle; new E. coli sample data clearly exceeded 2018 WisCALM listing thresholds for the Recreation use.
Reports and Documents
WDNR
Water Evaluation Section
Water Evaluation Section
WDNR
Listing Details
Pollutant
E. coli
Listed For
Recreation
Impairments
Recreational Restrictions - Pathogens
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
2016-201
Listing Date
4/1/2016
Impaired Water Notes
The 2018 assessments showed continued Recreational Restrictions due to E. coli; new E. coli sample data clearly exceeded 2018 WisCALM listing thresholds for the Recreation use. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
7/13/2017

Impaired Water Notes
This beach was assessed for the 2014 Impaired Waters List and E. coli data exceed 2014 WisCALM listing criteria indicating a Recreation use impairment. This water was assessed after the public comment period because new data from the Dane County Health Department.
Date
4/17/2014

Impaired Water Notes
This beach was assessed for the 2016 Impaired Waters List and E. coli data did not exceed 2016 WisCALM listing criteria.
Date
8/19/2015