A free directory of 4872 licensed well drillers and pump installers, built from state licensing records — plus straight answers on testing and treating private well water.
Start typing your county to find licensed well pros near you.
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 →Roughly 13 million U.S. households rely on private wells that no public utility monitors. WellWaterData compiles licensed well professionals directly from state licensing boards and pairs them with practical testing and treatment guidance, so well owners can find qualified help and keep their water safe. Currently covering 463 counties across 5 states (plus 1246 pros listed statewide without a county on file), with more in the pipeline.