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Water testing labs in Dunn County, WI

3 state-accredited water testing labs in Dunn County, WI.

3 certified labsUpdated October 2026Source: state lab accreditation records

Source: Wisconsin DNR list of labs certified for coliform bacteria testing, list dated Oct 28, 2026. Find a Water Test is independent and not affiliated with the Wisconsin Department of Natural Resources. Certification covers specific tests, so confirm the lab is certified for the ones you need: Verify a certification.

Cities in Dunn County:Menomonie

3 certified labs near Dunn County, WI

MW

Menomonie Waste Water

620 11th Ave W, Menomonie, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(715) 232-2175Directions
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Mail-in labs that ship to Dunn County, WI

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Well water guides

What to test forBad resultsBuying a home

Common questions

Where can I test well water near Dunn County, WI?

The state-accredited labs above serve Dunn County, WI. Many offer sample bottles you collect at home.

What should I test for near Dunn County, WI?

Start with total coliform bacteria and nitrates, then ask your county health department about local concerns.