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Is Idaho Falls, ID tap water safe?

3 utilities serve Idaho Falls, by EPA’s records. Here is what EPA’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

1 of the 3 utilities serving Idaho Falls has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s records: Falls Water Company Inc.

City of Idaho Falls, which serves the most people here, has 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 57.4 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

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 Idaho Falls’s ZIP codes, from EPA’s estimates.

What handles it

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

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Every claim, and more filters, in the full report

Water testing near Idaho Falls

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 Idaho certifies.

The 3 labs Idaho certifies closest to Idaho Falls, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Teton Microbiology Laboratory

    Idaho Falls, ID · under a mile

    Certified for bacteria

  • IAS EnviroChem Laboratory

    Pocatello, ID · about 49 miles

    Certified for bacteria, minerals and other inorganics

  • Teton County Water Laboratory

    Jackson, WY · about 70 miles

    Certified for bacteria

All 33 certified labs for Idaho

ZIP codes in Idaho Falls

Which ZIP codes are in Idaho Falls: 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: Idaho Bureau of Laboratories, drinking water laboratory certificates; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Idaho Falls

Other towns in Bonneville County with a page of their own.

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