Is Spokane, WA tap water safe?
The short answer
None of the 15 utilities serving Spokane 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 Spokane, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 6.1 ppt, above EPA’s new limit, which takes effect in 2029.
The water from City of Spokane is moderately hard to hard depending on the source, 87 to 174 mg/L (5.1 to 10.2 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 Spokane’s ZIP codes, from EPA’s estimates.
- Open report
City of Spokane
Washington · serves 346,138 people · about 160,400 in Spokane
1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 6.1 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: moderately hard to hard depending on the source, 87 to 174 mg/L (5.1 to 10.2 grains per gallon).
No health-based violations since 2016
- Open report
Whitworth Water District 2
Washington · serves 26,883 people · about 2,100 in Spokane
1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 4.6 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: moderately hard to very hard depending on the source, 107 to 232 mg/L (6.3 to 13.6 grains per gallon).
No health-based violations since 2016
- Open report
City of Airway Heights
Washington · serves 9,489 people · about 2,000 in Spokane
2 results above the health goal. The worst: Lead at 11.1 ppb, above the health goal. Hardness: hard, 173 mg/L (10.1 grains per gallon).
No health-based violations since 2016
- Open report
Spo Co Water Dist 3 Sys 3
Washington · serves 3,768 people · about 710 in Spokane
3 results above the health goal. The worst: Arsenic at 4.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Spo Co Water Dist 3 Sys 4
Washington · serves 6,233 people · about 360 in Spokane
3 results above the health goal. The worst: Arsenic at 2.4 ppb, above the health goal. Hardness: very hard, 190 mg/L (11.1 grains per gallon).
No health-based violations since 2016
- Open report
Pasadena Park Irr Dist 17
Washington · serves 6,269 people · about 190 in Spokane
2 results above the health goal. The worst: Lead at 2.6 ppb, above the health goal.
No health-based violations since 2016
- Open report
North Spokane Irrigation District 8
Washington · serves 2,214 people · about 150 in Spokane
1 result above the health goal. The worst: Arsenic at 2.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Spo Co Water Dist 3 Sys 5
Washington · serves 485 people · about 120 in Spokane
1 result above the health goal. The worst: Arsenic at 4.6 ppb, above the health goal.
No health-based violations since 2016
- Open report
Hangman Hills Water Dist 15
Washington · serves 827 people · under 100 in Spokane
2 results above the health goal. The worst: Arsenic at 6.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
River Bluff Water System
Washington · serves 330 people · under 100 in Spokane
2 results above the health goal. The worst: Arsenic at 4.0 ppb, above the health goal.
No health-based violations since 2016
5 more utilities in Spokane
By EPA’s estimate, each serves fewer people in Spokane than those above.
- Ridge Water Associationserves 615 people · under 100 in Spokane · no health-based violations since 2016
- Trentwood Irrigation District 3serves 4,228 people · under 100 in Spokane · no health-based violations since 2016
- West Prairie Villageserves 375 people · under 100 in Spokane · no health-based violations since 2016
- Indian Village Estates Water Assnserves 90 people · under 100 in Spokane · no health-based violations since 2016
- Mullen Hill Terrace MHPserves 207 people · under 100 in Spokane · 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 Spokane’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: PFOS, Arsenic, Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOS, Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOS, Arsenic, Lead
Water testing near Spokane
The 3 labs Washington certifies closest to Spokane, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Anatek Labs, Inc - Spokane
Spokane, WA · about 2 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Tshimakain Creek Laboratories
Spokane Valley, WA · about 5 miles
Certified for bacteria, nitrate, minerals and other inorganics
Eurofins Spokane
Spokane Valley, WA · about 8 miles
Certified for bacteria, nitrate, minerals and other inorganics
Which ZIP codes are in Spokane: 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 Spokane
Other towns in Spokane County with a page of their own.
What to do next
- Read City of Spokane’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOSRanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water