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Is Flagstaff, AZ tap water safe?

14 utilities serve Flagstaff, by EPA’s records. Here is what EPA’s and CDC’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

11 of the 14 utilities serving Flagstaff have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Doney Park Water, Kachina Village Dwid, Ponderosa Utility Corp and 8 more.

City of Flagstaff, which serves the most people here, has 3 results above the health goal. The worst: Arsenic at 8.2 ppb, above the health goal. 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 Flagstaff’s ZIP codes, from EPA’s estimates.

4 more utilities in Flagstaff

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

  • Lake Mary Country Storeserves 130 people · under 100 in Flagstaff · 1 health-based violation since 2016
  • Cs West Village Water Companyserves 210 people · under 100 in Flagstaff · 1 health-based violation since 2016
  • A1 Ranch Dwidserves 45 people · lists Flagstaff among the places it serves · no health-based violations since 2016
  • Lockett Estatesserves 30 people · lists Flagstaff among the places it serves · 2 health-based violations since 2016

What handles it

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

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 Arizona certifies.

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

  • Inner Basin Environmental, LLC

    Flagstaff, AZ · under a mile

    (928) 440-5168

  • Nortest Analytical

    Flagstaff, AZ · under a mile

    (928) 774-2312

  • Bradshaw Mountain Environmental Inc.

    Prescott Valley, AZ · about 59 miles

    (928) 778-4510

All 49 certified labs for Arizona

ZIP codes in Flagstaff

Which ZIP codes are in Flagstaff: 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: Arizona Department of Health Services, Arizona certified commercial drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Flagstaff

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

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