Skip to content
TapBuff
ZIP

Is Billings, MT tap water safe?

15 utilities serve Billings, 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

3 of the 15 utilities serving Billings have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Montana’s records: Golden Eagle Water Users Assn, Granite Park Water Association and Still River Estates Subdivision.

City of Billings, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 57 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

The water from City of Billings is hard, 161 mg/L (9.4 grains per gallon). How Montana’s water compares.

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 Billings’s ZIP codes, from EPA’s estimates.

5 more utilities in Billings

By EPA’s estimate, each serves fewer people in Billings than those above.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of Billings’s water, which serves the most people here. Another utility’s report names what handles its own results.

Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money

Every claim, and more filters, in the full report

Water testing near Billings

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.

The lab Montana certifies closest to Billings, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Energy Laboratories, Inc.

    Billings, MT · under a mile

    Certified for bacteria, minerals and other inorganics, organic chemicals

    (800) 735-4489

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 Billings

Which ZIP codes are in Billings: 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. Certified labs: Montana Department of Public Health and Human Services, Water Laboratory Certification Program, certified laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Billings

Towns nearby with a page of their own.

What to do next