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Is Kennewick, WA tap water safe?

8 utilities serve Kennewick, 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

5 of the 8 utilities serving Kennewick have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Washington’s records: Badger Mountain Irrigation District, Bc Water Co, Homestead Manufactured Housing and 2 more.

City of Kennewick, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 11.5 ppt, above EPA’s new limit, which takes effect in 2029.

The water from City of Kennewick is moderately hard to very hard depending on the source, 64 to 212 mg/L (3.7 to 12.4 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 Kennewick’s ZIP codes, from EPA’s estimates.

What handles it

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

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

  • Benton-Franklin Health District Lab

    Kennewick, WA · about 5 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (509) 460-4206

  • Energy NW Environmental (PPL) Lab

    Richland, WA · about 9 miles

    Certified for bacteria

    (509) 372-5429

  • Energy Northwest Environmental Services Lab

    Richland, WA · about 14 miles

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

    (509) 377-8058

All 84 certified labs for Washington

ZIP codes in Kennewick

Which ZIP codes are in Kennewick: 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 Kennewick

Towns nearby with a page of their own.

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