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Verified license records, state-certified labs and county well data for private well owners. Built from public state records, checked and dated.

9,178Licensed contractors
995Certified labs
1,977Counties
24States

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Well Water Insider lists licensed contractors and certified labs from public state records. We are not a contractor or a lab and do not endorse any listing. Some links are affiliate links; we may earn a commission at no cost to you.

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Pace Analytical Services, LLC

Eau Claire City County Health Department

Eurofins Microbiology Laboratories

CT Laboratories, LLC

Douglas County Health and Human Services

Dunn County Health Department

Badger Laboratories, Inc.

Bayfield County Health Department

Branch River Testing Service, LLC.

Brown County Health and Human Services