Is Fall City, WA tap water safe?
The short answer
1 of the 8 utilities serving Fall City has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Washington’s records: Fall City Water Dist. (Plum Creek).
Fall City Water Dist. #127, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 5.3 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Fall City Water Dist. #127 is moderately hard, 111 mg/L (6.5 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 Fall City’s ZIP codes, from EPA’s estimates.
- Open report
Fall City Water Dist. #127
Washington · serves 2,987 people · about 530 in Fall City
2 results above the health goal. The worst: Arsenic at 5.3 ppb, above the health goal. Hardness: moderately hard, 111 mg/L (6.5 grains per gallon).
No health-based violations since 2016
- Open report
Sammamish Plateau Water & Sewer
Washington · serves 79,362 people · under 100 in Fall City
2 results above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOS at 11.1 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft to moderately hard depending on the source, 51 to 95 mg/L (3 to 5.6 grains per gallon).
No health-based violations since 2016
- Open report
Ames Lake Water Assoc Inc
Washington · serves 3,224 people · under 100 in Fall City
2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal. Hardness: moderately hard, typically 80 mg/L (4.6 grains per gallon).
No health-based violations since 2016
- Open report
Spring Glen Association
Washington · serves 273 people · under 100 in Fall City
1 result above the health goal. The worst: Arsenic at 9.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Fall City Water Dist.(Spring Hill)
Washington · serves 57 people · under 100 in Fall City
2 results above the health goal. The worst: Arsenic at 5.9 ppb, above the health goal. Hardness: soft, 55 mg/L (3.2 grains per gallon).
No health-based violations since 2016
- Open report
Lake Alice Water Association
Washington · serves 90 people · under 100 in Fall City
1 result above the health goal. The worst: Arsenic at 1.2 ppb, above the health goal. Hardness: soft, 55 mg/L (3.2 grains per gallon).
No health-based violations since 2016
- Open report
Fall City Water Dist. (Plum Creek)
Washington · serves 59 people · based in Fall City
1 result above the health goal. The worst: Arsenic at 5.9 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Fall City Water Dist. (Ruth)
Washington · serves 49 people · based in Fall City
1 result above the health goal. The worst: Arsenic at 5.4 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 Fall City Water Dist. #127’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, 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: 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: Arsenic, Lead
Water testing near Fall City
The 3 labs Washington certifies closest to Fall City, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Aqua Test, Incorporated
Maple Valley, WA · about 11 miles
Certified for bacteria, nitrate
OnSite Environmental, Inc.
Redmond, WA · about 13 miles
Certified for lead and copper, metals, minerals and other inorganics
AmTest Laboratories
Renton, WA · about 17 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, disinfection byproducts
ZIP codes in Fall City
Which ZIP codes are in Fall City: 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 Fall City
Other towns in King County with a page of their own.
What to do next
- Read Fall City Water Dist. #127’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