Impaired Water - Lake Superior (Middle River Beach, Lake Superior)
Douglas County, Wisconsin
LS03
2751220
0.50
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
This beach was initially listed for E. coli in 2008 and was delisted in 2010. Middle River Beach has had 3 consecutive years of beach monitoring data that meet minimum sampling requirements and have met requirements for delisting based on our 2010 WisCALM guidance.
This beach was assessed for the 2014 Impaired Waters List and E. coli data did not exceed 2014 WisCALM listing criteria.
This beach was assessed for the 2016 Impaired Waters List and E. coli data exceeded 2016 WisCALM listing criteria indicating Recreational Use impairment.

This beach was assessed during the 2018 listing cycle; E. coli sample data were clearly below 2018 WisCALM listing thresholds for the Recreation use.
Reports and Documents
Manz, Cordell
Water Evaluation Section
Listing Details
Pollutant
E. coli
Listed For
Recreation
Impairments
Recreational Restrictions - Pathogens
Current Use
Full Body Contact - Swimming, Boating
Listing Status
303d Listed
Attainable Use
Full Body Contact - Swimming, Boating
Priority
Low
Designated Use
Full Body Contact - Swimming, Boating
303(d) ID
2016-268
Listing Date
4/1/2016
Impaired Water Notes
Middle River Beach has had 3 consecutive years of beach monitoring data that meet minimum sampling requirements and have met requirements for delisting based on our 2010 WisCALM guidance.
Date
10/13/2009

Impaired Water Notes
Middle River Beach was listed for E. coli in 2008 (impairment ID # 2008-28) and was delisted in 2010. This beach was assessed for the 2016 Impaired Waters List and E. coli data exceeded 2016 WisCALM listing criteria indicating Recreational Use impairment.
Date
9/2/2015