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Is Duvall, WA tap water safe?

2 utilities serve Duvall, 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

Neither of the 2 utilities serving Duvall has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Washington’s records.

City of Duvall, which serves the most people here, has nothing above a health goal in EPA’s and Washington’s records. That data covers what its report lists, not everything.

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 Duvall’s ZIP codes, from EPA’s estimates.

Water testing near Duvall

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 Duvall, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • OnSite Environmental, Inc.

    Redmond, WA · about 13 miles

    Certified for lead and copper, metals, minerals and other inorganics

    (425) 883-3881

  • Brooks Applied Labs, LLC

    Seattle, WA · about 21 miles

    Certified for lead and copper, metals

    (206) 753-6119

  • IEH Analytical Laboratories

    Seattle, WA · about 21 miles

    Certified for nitrate, lead and copper, metals, minerals and other inorganics, PFAS

    (206) 632-2715

All 84 certified labs for Washington

ZIP codes in Duvall

Which ZIP codes are in Duvall: 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 Duvall

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

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