Is Colfax, WA tap water safe?
The short answer
Neither of the 2 utilities serving Colfax 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 Colfax Water Department, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 19.4 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
The water from City of Colfax Water Department is hard, 146 mg/L (8.5 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 Colfax’s ZIP codes, from EPA’s estimates.
- Open report
City of Colfax Water Department
Washington · serves 3,507 people · under 100 in Colfax
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 19.4 ppb, above EPA’s health benchmark. Hardness: hard, 146 mg/L (8.5 grains per gallon).
No health-based violations since 2016
- Open report
Steptoe Water/Sewer District
Washington · serves 210 people · based in Colfax
1 result above the health goal. The worst: Lead at 4.1 ppb, above the health goal.
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 Colfax Water Department’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Colfax
The 3 labs Washington certifies closest to Colfax, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Anatek Labs, Inc - Moscow
Moscow, ID · about 24 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
Eurofins Spokane
Spokane Valley, WA · about 55 miles
Certified for bacteria, nitrate, minerals and other inorganics
Anatek Labs, Inc - Spokane
Spokane, WA · about 57 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
ZIP codes in Colfax
Which ZIP codes are in Colfax: 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 Colfax
Towns nearby with a page of their own.
What to do next
- Read City of Colfax Water Department’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water