State rankings
Utah water-system rankings
Lowest-scoring systems in Utah
Ranked lowest score first. Population shown for context.
1 SALT LAKE CITY WATER SYSTEM SALT LAKE CITY, UT · ~381,174 served 44 2 HILDALE - COLORADO CITY HILDALE, UT · ~6,100 served 60 3 Goshute (Lower) Ibapah, UT · ~40 served 70 4 Goshute (Upper) Ibapah, UT · ~40 served 70 5 PARK CITY WATER SYSTEM PARK CITY, UT · ~8,875 served 72 6 KATHERINE HEIGHTS WASHINGTON, UT · ~415 served 85 7 TIMBERLINE MHP OREM, UT · ~350 served 85 8 SOUTH DAVIS WATER DISTRICT BOUNTIFUL, UT · ~10,565 served 87 9 MURRAY CITY WATER SYSTEM WEST JORDAN, UT · ~38,723 served 92 10 WASHINGTON COUNTY WCD - KAYENTA WATER ST GEORGE, UT 100 11 BEAR RIVER WCD-SO WILLARD CORINNE, UT 100 12 WEBER BASIN WCD - NORTH SOUTH WEBER, UT 100 13 CENTRAL UTAH WCD - UTAH VALLEY MAPLETON, UT 100 14 CENTRAL UTAH WCD - DUCHESNE VALLEY MAPLETON, UT 100 15 CENTRAL UTAH WCD - ASHLEY VALLEY MAPLETON, UT 100 16 DUCHESNE CO WCD ALTAMONT, UT 100 17 WASHINGTON COUNTY WCD - QUAIL LAKE ST GEORGE, UT 100 18 WEBER BASIN WCD - SOUTH SOUTH WEBER, UT 100 19 WEBER BASIN WCD - CENTRAL SOUTH WEBER, UT 100 20 METROPOLITAN WATER DISTRICT COTTONWOOD HEIGHTS, UT 100 21 BEAR RIVER WCD-TREMONTON BOOSTER STATION CORINNE, UT 100 22 GRANGER-HUNTER IMPROVEMENT DISTRICT SALT LAKE CITY, UT · ~121,083 served 100 23 WEST JORDAN CITY WATER SYSTEM WEST JORDAN, UT · ~117,025 served 100 24 PROVO CITY PROVO, UT · ~116,288 served 100 25 ST GEORGE CITY WATER SYSTEM ST GEORGE CITY, UT · ~105,240 served 100
Highest-scoring large systems in Utah
Systems serving 10,000+ people with the best scores.
1 GRANGER-HUNTER IMPROVEMENT DISTRICT SALT LAKE CITY, UT · ~121,083 served 100 2 WEST JORDAN CITY WATER SYSTEM WEST JORDAN, UT · ~117,025 served 100 3 PROVO CITY PROVO, UT · ~116,288 served 100 4 ST GEORGE CITY WATER SYSTEM ST GEORGE CITY, UT · ~105,240 served 100 5 SANDY CITY WATER SYSTEM SANDY, UT · ~99,750 served 100 6 JORDAN VALLEY WCD WEST JORDAN, UT · ~99,335 served 100 7 OREM CITY WATER SYSTEM OREM, UT · ~98,129 served 100 8 LEHI CITY LEHI, UT · ~93,446 served 100
Scores reflect EPA public records (violations, enforcement, PFAS), are system-level, and can’t account for your home’s plumbing. See the methodology.