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Is Tualatin, OR tap water safe?

City of Tualatin serves Tualatin, by EPA’s records. Here is what EPA’s and CDC’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

City of Tualatin serves Tualatin. In EPA’s and CDC’s records it has 1 result above the health goal, and no health-based violation since 2016.

The worst: Lead at 4.9 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.

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.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of Tualatin’s water.

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Every claim, and more filters, in the full report

Water testing near Tualatin

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab Oregon certifies.

The 3 labs Oregon certifies closest to Tualatin, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Eurofins Wilsonville

    Wilsonville, OR · about 4 miles

    Certified for bacteria, nitrate

    (360) 757-1400

  • Alexin Analytical Laboratories, Inc.

    Tigard, OR · about 5 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts

    (503) 639-9311

  • Apex Laboratories, LLC

    Tigard, OR · about 5 miles

    Certified for lead and copper, metals

    (503) 718-2323

Oregon State University Extension Well Water Program: Nitrate screening of well water at many of its groundwater education events. The screening is free. Water Testing Guidance for Private Wells, OSU Well Water Program.

All 91 certified labs for Oregon

ZIP codes in Tualatin

Which ZIP codes are in Tualatin: 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: Oregon Environmental Laboratory Accreditation Program, drinking water labs, as listed in TNI LAMS; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Tualatin

Other towns in Clackamas County with a page of their own.

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