State guide
Water line responsibility by state
Every state page starts with the usual split we found, then links to the state's lead service line resources and any utility programs we could verify. Use it as a quick orientation before checking the city or utility that serves your address.
Try a ZIP like 30303, “Travis County” or “Columbus, OH”
Number = verified local listingsDashed = general info and who to call (no verified state data yet)
AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming