Water testing in Walworth County, WI

Local water testing: Walworth County Health and Human Services, Public Health Division. Price not posted.

Well water

Walworth County Public Health Well Water Testing

Price not posted

Bacteria
E. coli
Nitrate
Arsenic
Lead

A water test kit may be obtained from the Walworth County Health and Human Services reception desk (1910 County Rd. NN, Elkhorn, WI) Monday through Friday from 8 a.m. to 4:30 p.m.; homeowners collect their own sample and return it during open laboratory hours.

Official page

Who can use it: Private well owners in Walworth County, Wisconsin.

Walworth County Health and Human Services, 1910 County Rd. NN, Elkhorn · (262) 741-3200

Checked October 2, 2026. Report a change

See statewide tests and certified-lab lists for Wisconsin.

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