Water Quality: Butte, MT

2 water systems • 33,090 people served

Some Concerns
27
Total Violations
1
Health-Based Violations
2
Water Systems
33,090
Population Served

Water Quality Summary

Butte is served by 2 public water systems with a combined service population of 33,090 people, and has 27 EPA Safe Drinking Water Act violations on record. Critically, 1 of those are health-based violation, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Butte's violation count is 74% below the national average for Montana. Contaminants associated with violations include Fecal Coliform.

Contaminants Found

Fecal Coliform

Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.

Common source: Human and animal fecal waste

EPA limit: Zero tolerance (any positive triggers violations)

Water Systems Serving Butte

System Name PWSID Source Population Violations
BUTTE SILVERBOW WATER DEPT MT0000170 Surface Water 33,000 10
GALEN FACILITY MT0000223 Groundwater 90 17

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 Montana

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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 MT