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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

LAKE YALE ESTATES NEW PORT RICHEY, FL · ~101 served 100 UPPER LITTLE BEAR MOUNTAIN CLUB BLUE JAY, CA · ~101 served 100 ASOLEADO MWC CARMEL VALLEY, CA · ~101 served 100 PT MACKENZIE CORRECTIONAL FARM WASILLA, AK · ~101 served 100 Popz Purified Drinking Water Saipan, MP · ~100 served 100 Saipan Vegas Saipan, MP · ~100 served 100 Burnett Towers Charlotte Amalie, VI · ~100 served 100 ACUED. COMUNAL QUEBRADA FRIA UTUADO, PR · ~100 served 100 SIERRITA-CAONILLA VILLALBA, PR · ~100 served 100 TETON SHADOWS HOA WILSON, WY · ~100 served 100 OWL CREEK WATER DISTRICT THERMOPOLIS, WY · ~100 served 100 STONE CREEK HOA TORRINGTON, WY · ~100 served 100 THIRTY-THREE MILE ROAD I&S DISTRICT MILLS, WY · ~100 served 100 TRAIL RIDGE WATER SYSTEM GROVER, WY · ~100 served 100 VALLEY VIEW MUTUAL WATER COMPANY WILSON, WY · ~100 served 100 HOY MOBILE HOME PARK GILLETTE, WY · ~100 served 100 DILLMAN ESTATES TORRINGTON, WY · ~100 served 100 RAINTREE ESTATES RIVERTON, WY · ~100 served 100 A & J MOBILE HOME PARK PAVILLION, WY · ~100 served 100 RIVERMEADOWS WATER DISTRICT JACKSON, WY · ~100 served 100 AMANI VILLAGE SANITARY DIST OSCEOLA, WI · ~100 served 100 MARYVILLE SD 2 HAZEL GREEN, WI · ~100 served 100 WOODRIDGE ESTATES MEQUON, WI · ~100 served 100 RAVINE FARMS HM OWNERS ASSOC MEQUON, WI · ~100 served 100

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