State-certified laboratory
Mill Creek Water Treatment Plant Laboratory
581 Mill Creek Road, Walla Walla, WA, 99362
Services listed in the certification record
Certified for: Drinking water
Address581 Mill Creek Road, Walla Walla, WA, 99362
Phone(509) 522-3775
Certification statuscertified
Certifying stateWashington (WA)
Source listOfficial state source
How to use a water testing lab
Contact the laboratory before collecting a sample. Ask whether it offers the test you need, request its current sampling instructions and containers, and confirm timing, pricing, and how to submit the sample.
Listing data fetched from the official source: 2026-09-02T14:05:33+00:00
Is this your lab?
Claim this listing or report an update by emailing Water Testing Finder.