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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

Flamboyant Gardens J St. Croix, VI · ~25 served 100 PLT. MUNICIPAL CAROLINA CAROLINA, PR · ~25 served 100 SUPERACUEDUCTO ARECIBO, PR · ~25 served 100 MULAS SECTOR SOFIA PATILLAS, PR · ~25 served 100 JEA QUALITY COROZAL, PR · ~25 served 100 SHOSHONE MUNICIPAL PIPELINE COWLEY, WY · ~25 served 100 CENTRAL WY REGIONAL WATER SYSTEM JPB CASPER, WY · ~25 served 100 ROCK SPRINGS/GREEN RIVER JPB GREEN RIVER, WY · ~25 served 100 BIG HORN REGIONAL JPB WORLAND, WY · ~25 served 100 BIG MUSKY RESORT COLFAX, WI · ~25 served 100 KOUNTRY AIRE EST MHP II COLFAX, WI · ~25 served 100 PRAIRIE MEADOW ESTATES 2 WAUSAU, WI · ~25 served 100 DELAFIELD LAKES 404 MADISON, WI · ~25 served 100 WELLS ST STATION 425 WEST DELAFIELD, WI · ~25 served 100 DUCK INN MHP 2 PARDEEVILLE, WI · ~25 served 100 MOUNTAIN VIEW MHP 2 EVANSVILLE, WI · ~25 served 100 RIVER GARDEN APTS MILWAUKEE, WI · ~25 served 100 CENTRAL BROWN CO WATER AUTHORITY GREEN BAY, WI · ~25 served 100 GENEVA LANDINGS BURLINGTON, WI · ~25 served 100 PIRATES COVE MOBILE HOME COMMUNITY MADISON, WI · ~25 served 100 WELLS ST STATION 435 EAST DELAFIELD, WI · ~25 served 100 PRAIRIE LAKE ESTATES MHP EVANSVILLE, WI · ~25 served 100 NORTH LAKES SUBDIVISION DAVIS, WV · ~25 served 100 WOODS CREEK WATER DISTRICT Monroe, WA · ~25 served 100

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