Is Newport, WA tap water safe?
The short answer
None of the 6 utilities serving Newport 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 Newport, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 4.1 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from City of Newport is hard to very hard depending on the source, 170 to 240 mg/L (9.9 to 14 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 Newport’s ZIP codes, from EPA’s estimates.
- Open report
City of Newport
Washington · serves 3,331 people · under 100 in Newport
1 result above the health goal. The worst: Arsenic at 4.1 ppb, above the health goal. Hardness: hard to very hard depending on the source, 170 to 240 mg/L (9.9 to 14 grains per gallon).
No health-based violations since 2016
- Open report
Diamond Lake Water & Sewer District
Washington · serves 1,299 people · under 100 in Newport
1 result above the health goal. The worst: Lead at 2.2 ppb, above the health goal. Hardness: moderately hard, 118 mg/L (6.9 grains per gallon).
No health-based violations since 2016
- Open report
Goosehaven
Washington · serves 75 people · under 100 in Newport
1 result above the health goal. The worst: Arsenic at 1.5 ppb, above the health goal. Hardness: hard, 164 mg/L (9.6 grains per gallon).
No health-based violations since 2016
- Open report
River Bend Water System
Washington · serves 140 people · based in Newport
1 result above the health goal. The worst: Lead at 0.5 ppb, above the health goal. Hardness: moderately hard, 87 mg/L (5.1 grains per gallon).
No health-based violations since 2016
- Open report
Sandy Shore & Sunnyside Meadows
Washington · serves 83 people · based in Newport
1 result above the health goal. The worst: Arsenic at 8.4 ppb, above the health goal. Hardness: moderately hard, 96 mg/L (5.6 grains per gallon).
No health-based violations since 2016
- Open report
River View Shores Water System
Washington · serves 58 people · based in Newport
1 result above the health goal. The worst: Arsenic at 2.3 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 Newport’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: Arsenic
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: Arsenic
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: Arsenic
Water testing near Newport
The 3 labs Washington certifies closest to Newport, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Tshimakain Creek Laboratories
Spokane Valley, WA · about 37 miles
Certified for bacteria, nitrate, minerals and other inorganics
Accurate Testing Labs L.L.C.
Coeur d'Alene, ID · about 37 miles
Certified for bacteria, nitrate
Anatek Labs, Inc - Spokane
Spokane, WA · about 38 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
ZIP codes in Newport
Which ZIP codes are in Newport: 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 Newport
Towns nearby with a page of their own.
What to do next
- Read City of Newport’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water