Water Quality: Brookfield, WI

5 water systems • 35,909 people served

Multiple Health Violations
136
Total Violations
11
Health-Based Violations
5
Water Systems
35,909
Population Served

Water Quality Summary

Brookfield is served by 5 public water systems with a combined service population of 35,909 people, and has 136 EPA Safe Drinking Water Act violations on record. Critically, 11 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Brookfield's violation count is 315% above the national average for Wisconsin. Contaminants associated with violations include Chlorine Dioxide, Stage 2 DBP, Total Organic Carbon.

Contaminants Found

Chlorine Dioxide

Can cause anemia in infants and young children; may cause nervous system effects at high levels.

Common source: Water treatment disinfectant used to control taste, odor, and microorganisms

EPA limit: 0.8 mg/L

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

Total Organic Carbon

Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.

Common source: Decaying plant material, algae, soil organic matter in source water

EPA limit: Treatment technique (must reduce TOC based on source water level)

Water Systems Serving Brookfield

System Name PWSID Source Population Violations
BROOKFIELD WATER UTILITY WI2680253 Groundwater 29,070 90
TOWN OF BROOKFIELD SAN DIST 4 WI2680239 Groundwater 6,419 6
TAN OAK APTS WI2301080 Groundwater 325 18
CARRIAGE HILLS CONDOMINIUMS WI2682406 Groundwater 50 21
COUNTRY COURT SUBDIVISION WI2684746 Groundwater 45 1

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.

Other Cities in Wisconsin

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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