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Is Nampa, ID tap water safe?

City of Nampa serves Nampa, by EPA’s records. Here is what EPA’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

City of Nampa serves Nampa. In EPA’s records it has 3 results above the health goal and 1 result above EPA’s health benchmark, and no health-based violation since 2016.

The worst: Lithium at 42.1 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of Nampa’s water.

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Every claim, and more filters, in the full report

Water testing near Nampa

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

  • Analytical Laboratories

    Boise, ID · about 20 miles

    Certified for bacteria, minerals and other inorganics, organic chemicals

All 33 certified labs for Idaho

ZIP codes in Nampa

Which ZIP codes are in Nampa: 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 Nampa

Towns nearby with a page of their own.

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