Water Quality: Grangeville, ID

2 water systems • 3,240 people served

Multiple Health Violations
70
Total Violations
20
Health-Based Violations
2
Water Systems
3,240
Population Served

Water Quality Summary

Grangeville is served by 2 public water systems with a combined service population of 3,240 people, and has 70 EPA Safe Drinking Water Act violations on record. Critically, 20 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Grangeville's violation count is 47% below the national average for Idaho. Contaminants associated with violations include Chlorine Dioxide, Surface Water Treatment.

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

Surface Water Treatment

Water Systems Serving Grangeville

System Name PWSID Source Population Violations
GRANGEVILLE WATER DEPT ID2250023 Groundwater 3,151 3
COUNTRY COURT COMMUNITY ID2250014 Groundwater 89 67

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 ID