Poor

Lake Superior, Porcupine Mountains State Park

131, MI

Water Quality

Updated Aug 27

Escherichia coli (E. coli) Bacteria1.0 MPN/100mL

Common fecal coliform bacteria indicating possible sewage contamination. EPA recreational limit: <126 MPN/100mL.

Escherichia coli (E. coli) Bacteria1.0 MPN/100mL

Common fecal coliform bacteria indicating possible sewage contamination. EPA recreational limit: <126 MPN/100mL.

recency/

coverage/

parameters present/