Water Quality: Middleton, WI

3 water systems • 24,234 people served

Some Concerns
154
Total Violations
3
Health-Based Violations
3
Water Systems
24,234
Population Served

Water Quality Summary

Middleton is served by 3 public water systems with a combined service population of 24,234 people, and has 154 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. Middleton's violation count is 370% above the national average for Wisconsin. Contaminants associated with violations include Endrin, Stage 2 DBP.

Contaminants Found

Endrin
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 Middleton

System Name PWSID Source Population Violations
MIDDLETON WATERWORKS WI1130242 Groundwater 23,868 148
WESTSHIRE FARMS AT THE LAKES WI2651598 Groundwater 300 0
KNOLLCREST WI2681104 Groundwater 66 6

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