Water Quality: Mills, WY

4 water systems • 4,437 people served

Multiple Health Violations
233
Total Violations
10
Health-Based Violations
4
Water Systems
4,437
Population Served

Water Quality Summary

Mills is served by 4 public water systems with a combined service population of 4,437 people, and has 233 EPA Safe Drinking Water Act violations on record. Critically, 10 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Mills's violation count is 83% above the national average for Wyoming. Contaminants associated with violations include Chlorine Dioxide, Stage 2 DBP, TTHM.

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

TTHM

Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.

Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water

EPA limit: 0.080 mg/L (80 ppb)

Water Systems Serving Mills

System Name PWSID Source Population Violations
MILLS, CITY OF WY5600036 Surface Water 4,050 8
THIRTY-THREE MILE ROAD I&S DISTRICT WY5601579 Surface Water 200 4
COUNTRYSIDE COURT WY5600756 Groundwater 125 212
LAKEVIEW I&S DISTRICT WY5601494 Surface Water 62 9

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 Wyoming

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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 WY