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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

PIONEER WATER & SEWER DISTRICT CASPER, WY · ~1,500 served 100 RAFTER J SUBDIVISION HOA WILSON, WY · ~1,500 served 100 INDEPENDENCE WATERWORKS INDEPENDENCE, WI · ~1,500 served 100 CONCORDIA UNIVERSITY MEQUON, WI · ~1,500 served 100 TAPPS ISLAND WATER SYSTEM Lake Tapps, WA · ~1,500 served 100 PORT SUSAN CAMP CLUB #1 STANWOOD, WA · ~1,500 served 100 SQUAXIN CONSOLIDATED SHELTON, WA · ~1,500 served 100 STUART, TOWN OF STUART, VA · ~1,500 served 100 HAYNESVILLE CORRECTIONAL CENTER LAWRENCEVILLE, VA · ~1,500 served 100 BROOKNEAL, TOWN OF BROOKNEAL, VA · ~1,500 served 100 HIGH KNOB FRONT ROYAL, VA · ~1,500 served 100 KILMARNOCK, TOWN OF KILMARNOCK, VA · ~1,500 served 100 EXMORE, TOWN OF EXMORE, VA · ~1,500 served 100 ROYALTON FIRE DISTRICT 1 SOUTH ROYALTON, VT · ~1,500 served 100 SOUTH WILLARD WILLARD, UT · ~1,500 served 100 SAND HILLS WSC CENTER, TX · ~1,500 served 100 EAST MONTGOMERY COUNTY MUD 4 HOUSTON, TX · ~1,500 served 100 MARTIN MARTIN, SD · ~1,500 served 100 MISSION WATER SYSTEM MISSION, SD · ~1,500 served 100 PRUDENCE ISLAND WATER DISTRICT PRUDENCE ISLAND, RI · ~1,500 served 100 IMPERIAL POINT WATER SERVICE FAIRVIEW, PA · ~1,500 served 100 SYKESVILLE BOROUGH SYKESVILLE, PA · ~1,500 served 100 FEDERAL CORR INSTITUTE LORETTO CRESSON, PA · ~1,500 served 100 UPPER HALFMOON WATER PORT MATILDA, PA · ~1,500 served 100

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