Is Mountlake Terrace, WA tap water safe?
The short answer
City of Mountlake Terrace serves Mountlake Terrace. In EPA’s and Washington’s records it has nothing above a health goal, and no health-based violation since 2016.
That data covers what its report lists, not everything.
Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.
Water testing near Mountlake Terrace
The 3 labs Washington certifies closest to Mountlake Terrace, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Brooks Applied Labs, LLC
Seattle, WA · about 5 miles
Certified for lead and copper, metals
IEH Analytical Laboratories
Seattle, WA · about 5 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, PFAS
Alliance Technical Group, LLC-Seattle
Seattle, WA · about 8 miles
Certified for bacteria, lead and copper, metals
ZIP codes in Mountlake Terrace
Which ZIP codes are in Mountlake Terrace: 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 Mountlake Terrace
Other towns in Snohomish County with a page of their own.
What to do next
- Read City of Mountlake Terrace’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Decide if you want a filter at allA filter for taste or chlorine is a preference, not a need. The standards say what each kind can do.NSF/ANSI standards, decoded
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water