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Is Sequim, WA tap water safe?

15 utilities serve Sequim, by EPA’s records. Here is what EPA’s and Washington’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 15 utilities serving Sequim has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Washington’s records: Vistas Inc.

City of Sequim, which serves the most people here, has 1 result above the health goal. The worst: Lead at 2.1 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

The water from City of Sequim is moderately hard to hard depending on the source, 71 to 133 mg/L (4.2 to 7.8 grains per gallon). How Washington’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 Sequim’s ZIP codes, from EPA’s estimates.

5 more utilities in Sequim

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

  • Dungeness Bay Platserves 461 people · under 100 in Sequim · no health-based violations since 2016
  • Vistas Incserves 241 people · under 100 in Sequim · 1 health-based violation since 2016
  • Sun Meadowsserves 295 people · under 100 in Sequim · no health-based violations since 2016
  • Panorama Vistaserves 75 people · under 100 in Sequim · no health-based violations since 2016
  • Dungeness Beachserves 181 people · under 100 in Sequim · no 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 Sequim’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 Sequim

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 Washington certifies.

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

  • Clallam County Environmental Laboratory

    Port Angeles, WA · about 14 miles

    Certified for bacteria, nitrate

    (360) 417-2334

  • Spectra Laboratories - Kitsap, LLC

    Poulsbo, WA · about 29 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (360) 779-5141

  • Eurofins EPK Built Environment Testing, LLC

    Seattle, WA · about 41 miles

    Certified for bacteria, asbestos

    (206) 781-0155

All 84 certified labs for Washington

ZIP codes in Sequim

Which ZIP codes are in Sequim: 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: Washington State Department of Ecology, Lab Accreditation Program, environmental laboratories accredited for drinking water analyses; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Sequim

Towns nearby with a page of their own.

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