Impaired Water - Lake Mendota (Spring Harbor Beach)
Dane County, Wisconsin
LR10
805400
0.10
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Beach assessed for E.coli in 2012 and levels did not exceed impairment thresholds. Water delisted in 2010.

This beach was assessed for the 2014 Impaired Waters List and E. coli data exceed 2014 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
2014-208
Listing Date
4/1/2014
Impaired Water Notes
This beach was assessed during the 2018 listing cycle; new E. coli sample data clearly exceeded 2018 WisCALM listing thresholds for the Recreation use.
Date
7/13/2017

Impaired Water Notes
Less than 35% of samples collected in 2006, 2007, 2009 exceeded the 126 Geomean threshold. Insufficient data for 2008.
Date
10/24/2009

Impaired Water Notes
This beach was assessed for the 2014 Impaired Waters List and E. coli data exceed 2014 WisCALM listing criteria indicating a Recreational use impairment.
Date
1/21/2014