1547 licensed well professionals from state licensing records — 1456 mapped to 71 Wisconsin counties, plus 91 listed statewide.
Private wells aren't covered by public water regulations — annual testing for bacteria, nitrates, and local contaminants is on you. Get a certified lab test kit or a treatment quote for your area.
Find testing & treatment options →→ Certified water testing labs in Wisconsin
Plus 91 pros licensed statewide or without a county on file.