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Search by utility name or EPA PWSID, or filter by state. Every system links to its safety score, PFAS readings, and violation history.

49,279+ community water systems

MILBURN WATER DISTRICT ARLINGTON, KY · ~500 served 100 METRO TOPEKA AIRPORT AUTHORITY TOPEKA, KS · ~500 served 100 COWLEY CO RWD 4 WINFIELD, KS · ~500 served 100 MCPHERSON CO RWD 6 LINDSBORG, KS · ~500 served 100 EFFINGHAM, CITY OF EFFINGHAM, KS · ~500 served 100 OSAGE CO RWD 4 WAVERLY, KS · ~500 served 100 ADVANCE WATER WORKS ADVANCE, IN · ~500 served 100 PLEASANTVIEW UTILITIES, INC. CONNERSVILLE, IN · ~500 served 100 BIG WALNUT WATER COMPANY GREENCASTLE, IN · ~500 served 100 FOREST OAKS MHC, LLC CROWN POINT, IN · ~500 served 100 RANKIN RANKIN, IL · ~500 served 100 TOWER HILL TOWER HILL, IL · ~500 served 100 DAKOTA DAKOTA, IL · ~500 served 100 LAKE BARRINGTON LAKE BARRINGTON, IL · ~500 served 100 LAKE SHANNON REDDICK, IL · ~500 served 100 CORNELL CORNELL, IL · ~500 served 100 EAST MOLINE CORRECTIONAL CENTER EAST MOLINE, IL · ~500 served 100 AQUA ILLINOIS-NORDIC WOODS KANKAKEE, IL · ~500 served 100 GENESEO HILLS SUBDIVISION GENESEO, IL · ~500 served 100 BEECHER CITY BEECHER CITY, IL · ~500 served 100 LONDON MILLS LONDON MILLS, IL · ~500 served 100 PINE VILLA PARK AND WATER ASSN POST FALLS, ID · ~500 served 100 OAKLEY VALLEY WATER CORPORATION OAKLEY, ID · ~500 served 100 HANALEI LIHUE, HI · ~500 served 100

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