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Is St. Marie, MT tap water safe?

2 utilities serve St. Marie, by EPA’s records. Here is what EPA’s and Montana’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

Neither of the 2 utilities serving St. Marie has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Montana’s records.

North Valley County Water and Sewer Dist, which serves the most people here, has nothing above a health goal in EPA’s and Montana’s records. That data covers what its report lists, not everything.

A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in St. Marie’s ZIP codes, from EPA’s estimates.

Water testing near St. Marie

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab Montana certifies.

No lab Montana certifies is within 75 miles of St. Marie on the state’s list. Some take samples by mail; the state’s page lists them all.

Montana State Environmental Laboratory: Private well testing packages for bacteria, metals, nutrients, anions, organic chemicals and more, open to the public. Samples can be mailed, sent by the lab's free courier, or dropped off at the lab. Environmental Laboratory, Montana Department of Public Health and Human Services.

All 36 certified labs for Montana

ZIP codes in St. Marie

Which ZIP codes are in St. Marie: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology.

Near St. Marie

Towns nearby with a page of their own.

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