Summary of MDH “swimmable” standards for public beaches & MPCA standards for bacterial impairments
Link to this table

Water Quality Parameter Water Quality Limit Source
Fecal Coliform 200 fecal coliform/100mL (average of 5 samples in a 30- day period should not exceed) MN Dept of Health
1000 fecal coliform/100mL (no one sample should exceed)
E. coli 126 E. coli/100mL (Geometric mean based on 5 samples in a month) MPCA Impaired Waters Criteria
1260 E. coli/100mL (maximum standard for one sample)

This page was last edited on 27 December 2022, at 16:46.