Is Colstrip, Montana tap water safe?
1 water system report serving Colstrip. Your water depends on which one serves your address. Check your bill if unsure.
C
City of Colstrip
Serves 2,350 people · Surface water · Full report →
2 health-based violations in the last 5 years; 6 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).