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) |