Water Quality: Union Grove, WI

2 water systems • 5,850 people served

Some Concerns
68
Total Violations
3
Health-Based Violations
2
Water Systems
5,850
Population Served

Water Quality Summary

Union Grove is served by 2 public water systems with a combined service population of 5,850 people, and has 68 EPA Safe Drinking Water Act violations on record. Critically, 3 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Union Grove's violation count is 108% above the national average for Wisconsin. Contaminants associated with violations include Chlorine, Stage 2 DBP.

Contaminants Found

Chlorine

Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.

Common source: Water treatment disinfectant added to kill harmful microorganisms

EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)

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 Union Grove

System Name PWSID Source Population Violations
UNION GROVE WATERWORKS WI2520200 Groundwater 4,900 8
SOUTHERN WISCONSIN CENTER WI2520199 Groundwater 950 60

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