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Water testing labs in Brown County, WI

6 state-accredited water testing labs in Brown County, WI.

6 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 Brown County:Green Bay

6 certified labs near Brown County, WI

GB

Green Bay Water Utility Lab

6183 Finger Rd, Green Bay, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

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

(920) 845-2031Directions
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Mail-in labs that ship to Brown 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 Brown County, WI?

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

What should I test for near Brown County, WI?

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