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Is Unalaska, AK tap water safe?

Unalaska Water System serves Unalaska, 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

Unalaska Water System serves Unalaska. In EPA’s records it has 3 results above the health goal, and no health-based violation since 2016.

The worst: Lead at 3.0 ppb, above the health goal. 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 Unalaska Water System’s water.

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Every claim, and more filters, in the full report

Water testing near Unalaska

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 Alaska certifies.

The 2 labs Alaska certifies closest to Unalaska, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Makushin Bay Resources LLC

    Dutch Harbor, AK · about 1 mile

    Certified for bacteria

    (907) 581-4904

  • City of Unalaska Water & Wastewater Laboratory

    Dutch Harbor, AK · about 1 mile

    Certified for bacteria

    (907) 581-4337

All 37 certified labs for Alaska

ZIP codes in Unalaska

Which ZIP codes are in Unalaska: 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: ADEC, laboratories certified to analyze drinking water (microbiological and chemical); distances from the Census 2020 ZIP code tabulation area gazetteer.

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