Green Lake County Water Quality

Green Lake County, Wisconsin has a water quality grade of D with a score of 46.4/100, based on EPA Safe Drinking Water Information System data. The county has 2 health-based drinking water violations on record.

Green Lake County has 2 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.

Green Lake County's water quality score of 46.4/100 is higher than the Wisconsin state average of 39.5. The average water quality grade across Wisconsin is F, based on data from 71 counties with available water quality data.

Based on EPA data, Green Lake County has a water quality grade of D (46.4/100). 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).

Green Lake County has 2 health-based drinking water violations according to EPA records. With a water quality score of 46.4/100 and grade D, 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.

Green Lake County ranks #24 out of 71 counties in Wisconsin by water quality score (1 = best). With a score of 46.4/100, it falls in the top third of counties statewide. Rankings are based on EPA Safe Drinking Water Information System (SDWIS) data including health-based violations and compliance records.