Montana
It depends on the town. 33 of 35 listed water systems in Montana, United States are low risk (94.3%).
- 33Low
- 2Medium
- 0High
- 0Critical
- AnacondaLow risk
- Belgrade2 systems · low risk
- Big SkyLow risk
- BigforkLow risk
- Billings3 systems · low risk
- Bozeman2 systems · low risk
- BrowningLow risk
- ButteLow risk
- Columbia FallsLow risk
- DillonLow risk
- GlendiveLow risk
- Great FallsLow risk
- HamiltonLow risk
- HardinLow risk
- HavreMedium risk
- HelenaLow risk
- Kalispell2 systems · low risk
- LaurelLow risk
- LewistownLow risk
- LibbyMedium risk
- LivingstonLow risk
- LoloLow risk
- Malmstrom Air Force BaseLow risk
- Miles CityLow risk
- MissoulaLow risk
- PolsonLow risk
- ShelbyLow risk
- SidneyLow risk
- West YellowstoneLow risk
- WhitefishLow risk
Covers community water systems serving 3,300 people or more. The rating uses health-based violations of federal drinking-water standards in the last three years, and whether those violations have been fixed. Each system is placed at a town it serves, so positions are approximate.
Common questions
Can I drink the tap water in Montana, United States?
It depends on the town. 33 of 35 listed water systems in Montana, United States are low risk (94.3%).
Where do these ratings come from?
US EPA Safe Drinking Water Information System. Period covered: October 2023 to September 2026.