Impaired Water - Lake Monona (Olbrich Park Beach)
Dane County, Wisconsin
LR08
804600
0.00 - 0.23
0.23
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 exceeds listing thresholds 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. New data in 2020 confirm listing.
Listing Details
Pollutant
E. coli
Listed For
Recreation
Impairments
Recreational Restrictions - Pathogens
Current Use
Restricted Recreation
Listing Status
303d Listed
Attainable Use
Recreation
Priority
Low
Designated Use
Recreation
303(d) ID
2008-32
Listing Date
4/1/2008
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
Added to the list of impaired waters due to high bacteria levels.
Date
12/5/2007

Impaired Water Notes
2014 assessment confirmed Recreational use impairment for E. coli. May through September geomeans exceeded 126 cfu/100mL.
Date
2/21/2014

Impaired Water Notes
This beach was assessed during the 2020 listing cycle; E. coli sample data clearly exceeded 2020 WisCALM listing thresholds for the Recreation use. Based on the most updated information, no change in existing impaired waters listing is needed.
Date
6/19/2019