Marshall County Water Quality

Marshall County, Minnesota has a water quality grade of F with a score of 37.3/100, based on EPA Safe Drinking Water Information System data. The county has 3 health-based drinking water violations on record.

Marshall County has 3 health-based drinking water violations recorded by the EPA. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.

Marshall County's water quality score of 37.3/100 is lower than the Minnesota state average of 67.2. The average water quality grade across Minnesota is C, based on data from 87 counties with available water quality data.

Based on EPA data, Marshall County has a water quality grade of F (37.3/100). This indicates below-average water quality with significant compliance issues. Residents may want to consider home water filtration. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).

Marshall County has 3 health-based drinking water violations according to EPA records. With a water quality score of 37.3/100 and grade F, the county's drinking water has had some compliance issues but continues to be monitored. For the most current safety information, check with your local water utility.

Marshall County ranks #74 out of 87 counties in Minnesota by water quality score (1 = best). With a score of 37.3/100, it falls in the bottom third of counties statewide. Rankings are based on EPA Safe Drinking Water Information System (SDWIS) data including health-based violations and compliance records.