Is West Yellowstone, Montana tap water safe?
4 water systems report serving West Yellowstone. Your water depends on which one serves your address. Check your bill if unsure.
A
Town of West Yellowstone
Serves 9,899 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A
Hebgen Lake Estates Co Water Sewer Distr
Serves 230 people · Groundwater · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2025).
A
Yellowstone Holiday WTR and Sew District
Serves 85 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
D
Fishermans Village Subdivision
Serves 25 people · Groundwater · Full report →
4 health-based violations in the last 5 years; 189 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).