Skip to content
TapBuff

Is Chehalis, WA tap water safe?

7 utilities serve Chehalis, 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

None of the 7 utilities serving Chehalis has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Washington’s records.

Chehalis Water Department, 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.

The water from Chehalis Water Department is soft, typically 50 mg/L (2.9 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 Chehalis’s ZIP codes, from EPA’s estimates.

Water testing near Chehalis

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

  • Lewis County Environmental Health Laboratory

    Chehalis, WA · under a mile

    Certified for bacteria, nitrate

    (360) 740-1237

  • Olympic Analytical LLC dba Vanguard Laboratory

    Olympia, WA · about 32 miles

    Certified for bacteria, nitrate

    (360) 967-7010

  • ALS Environmental - Kelso

    Kelso, WA · about 34 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity

    (360) 577-7222

All 84 certified labs for Washington

ZIP codes in Chehalis

Which ZIP codes are in Chehalis: 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.