Is Three Lakes, WA tap water safe?
The short answer
None of the 8 utilities serving Three Lakes has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Washington’s records.
Sno PUD 1 - Lake Stevens, which serves the most people here, has 2 results above the health goal. The worst: Lead at 3.2 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Sno PUD 1 - Lake Stevens is moderately hard, typically 82 mg/L (4.8 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 Three Lakes’s ZIP codes, from EPA’s estimates.
- Open report
Sno PUD 1 - Lake Stevens
Washington · serves 67,710 people · about 1,200 in Three Lakes
2 results above the health goal. The worst: Lead at 3.2 ppb, above the health goal. Hardness: moderately hard, typically 82 mg/L (4.8 grains per gallon).
No health-based violations since 2016
- Open report
City of Snohomish
Washington · serves 16,367 people · about 1,100 in Three Lakes
1 result above the health goal. The worst: Lead at 0.8 ppb, above the health goal.
No health-based violations since 2016
- Open report
Roosevelt Water Association
Washington · serves 3,530 people · about 390 in Three Lakes
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Monroe Water System
Washington · serves 23,467 people · about 300 in Three Lakes
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Three Lakes Water Association
Washington · serves 2,198 people · about 300 in Three Lakes
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Cross Valley Water District
Washington · serves 24,695 people · about 240 in Three Lakes
2 results above the health goal. The worst: Arsenic at 4.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Schluter Water Association
Washington · serves 224 people · under 100 in Three Lakes
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Wilkshire Lane Water District Inc
Washington · serves 460 people · under 100 in Three Lakes
1 result above the health goal. The worst: Lead at 1.0 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 Sno PUD 1 - Lake Stevens’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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: Lead, 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: Lead, Arsenic
Water testing near Three Lakes
The 3 labs Washington certifies closest to Three Lakes, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Everett Environmental Laboratory
Everett, WA · about 8 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
Precision Analytical Laboratories, LLC
Everett, WA · about 11 miles
Certified for lead and copper, metals, minerals and other inorganics
Freshwater Analytical Labs, LLC
Arlington, WA · about 18 miles
Certified for bacteria
ZIP codes in Three Lakes
Which ZIP codes are in Three Lakes: 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 Three Lakes
Other towns in Snohomish County with a page of their own.
What to do next
- Read Sno PUD 1 - Lake Stevens’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water