Water Quality: Prairie Du Sac, WI

3 water systems • 4,606 people served

Multiple Health Violations
23
Total Violations
4
Health-Based Violations
3
Water Systems
4,606
Population Served

Water Quality Summary

Prairie Du Sac is served by 3 public water systems with a combined service population of 4,606 people, and has 23 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Prairie Du Sac's violation count is 30% below the national average for Wisconsin. Contaminants associated with violations include Selenium, Stage 2 DBP.

Contaminants Found

Selenium

Hair loss, nail brittleness, and nervous system damage at elevated concentrations.

Common source: Natural geological deposits, mining discharges, oil refinery waste

EPA limit: 0.05 mg/L (50 ppb)

Stage 2 DBP

Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.

Common source: Chlorine disinfection reacting with natural organic matter in source water

EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L

Water Systems Serving Prairie Du Sac

System Name PWSID Source Population Violations
PRAIRIE DU SAC WATERWORKS WI1570100 Groundwater 4,006 6
BLUFFVIEW SANITARY DISTRICT WI1570097 Groundwater 450 3
MAPLE PARK CONDOMINIUMS WI1570099 Groundwater 150 14

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

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Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for WI