Is Chehalis, WA tap water safe?
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.
- Open report
Chehalis Water Department
Washington · serves 11,718 people · about 200 in Chehalis
Nothing in its records is above a health goal. Hardness: soft, typically 50 mg/L (2.9 grains per gallon).
No health-based violations since 2016
- Open report
Boistfort Valley
Washington · serves 2,389 people · under 100 in Chehalis
Nothing in its records is above a health goal. Hardness: soft, typically 30 mg/L (1.8 grains per gallon).
No health-based violations since 2016
- Open report
City of Napavine
Washington · serves 3,095 people · under 100 in Chehalis
2 results above the health goal. The worst: Arsenic at 6.0 ppb, above the health goal. Hardness: soft, 44 mg/L (2.6 grains per gallon).
No health-based violations since 2016
- Open report
Newaukum Hill Water Assn
Washington · serves 493 people · under 100 in Chehalis
1 result above the health goal. The worst: Lead at 1.9 ppb, above the health goal. Hardness: soft, 57 mg/L (3.3 grains per gallon).
No health-based violations since 2016
- Open report
Parkwood Mobile Home Estates
Washington · serves 105 people · under 100 in Chehalis
1 result above the health goal. The worst: Lead at 2.4 ppb, above the health goal. Hardness: soft, 40 mg/L (2.3 grains per gallon).
No health-based violations since 2016
- Open report
View Ranch Estates Water Assn
Washington · serves 141 people · under 100 in Chehalis
1 result above the health goal. The worst: Lead at 1.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
Jackson Mobile 2
Washington · serves 30 people · under 100 in Chehalis
Nothing in its records is above a health goal.
No health-based violations since 2016
Water testing near Chehalis
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
Olympic Analytical LLC dba Vanguard Laboratory
Olympia, WA · about 32 miles
Certified for bacteria, nitrate
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
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.
Near Chehalis
Towns nearby with a page of their own.
What to do next
- Read Chehalis Water Department’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Decide if you want a filter at allA filter for taste or chlorine is a preference, not a need. The standards say what each kind can do.NSF/ANSI standards, decoded
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water