Utah Drinking Water Compliance Records
502 water systems serving 3,713,734 people. 25,297 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
255
51%
B
103
21%
C
113
23%
D
26
5%
F
5
1%
502
Water Systems
3,713,734
Population Served
25,297
Historical Records
1,287
Health-Based (All Years)
Systems With the Most Recent EPA Records
WALLSBURG TOWN WATER SYSTEM
440 served158 historical records97 recent
C
OAK HAVEN WATER COMPANY
388 served153 historical records80 recent
F
ENOCH CITY WATER SYSTEM
6,500 served200 historical records73 recent
C
DANIEL MUNICIPAL WATER
559 served185 historical records52 recent
C
TOOELE CITY WATER SYSTEM
37,100 served386 historical records51 recent
C
TREMONTON CITY
13,000 served59 historical records50 recent
C
LEHI CITY
93,446 served81 historical records50 recent
C
SALEM CITY
9,298 served60 historical records48 recent
C
SWISS ALPINE WATER CO
300 served99 historical records46 recent
C
SIGURD TOWN WATER SYSTEM
445 served73 historical records44 recent
C
Large Systems With No Recent Records
SALT LAKE CITY WATER SYSTEM
383,612 served54 historical records
A
GRANGER-HUNTER IMPROVEMENT DISTRICT
121,083 served4 historical records
A
WEST JORDAN CITY WATER SYSTEM
117,025 served17 historical records
A
JORDAN VALLEY WCD
99,335 served5 historical records
A
SOUTH JORDAN CITY
89,704 served40 historical records
A
OGDEN CITY WATER SYSTEM
87,267 served70 historical records
A
LAYTON CITY WATER SYSTEM
82,000 served5 historical records
A
SARATOGA SPRINGS CITY
68,000 served106 historical records
A
TAYLORSVILLE-BENNION ID
67,098 served198 historical records
A
LOGAN CITY WATER SYSTEM
55,540 served12 historical records
A
Largest Water Systems in Utah
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| SALT LAKE CITY WATER SYSTEM | A | 383,612 | 54 |
| GRANGER-HUNTER IMPROVEMENT DISTRICT | A | 121,083 | 4 |
| WEST JORDAN CITY WATER SYSTEM | A | 117,025 | 17 |
| PROVO CITY | B | 116,288 | 48 |
| ST GEORGE CITY WATER SYSTEM | C | 105,240 | 51 |
| SANDY CITY WATER SYSTEM | C | 99,750 | 181 |
| JORDAN VALLEY WCD | A | 99,335 | 5 |
| OREM CITY WATER SYSTEM | B | 98,129 | 43 |
| LEHI CITY | C | 93,446 | 81 |
| SOUTH JORDAN CITY | A | 89,704 | 40 |
| OGDEN CITY WATER SYSTEM | A | 87,267 | 70 |
| LAYTON CITY WATER SYSTEM | A | 82,000 | 5 |
| SARATOGA SPRINGS CITY | A | 68,000 | 106 |
| TAYLORSVILLE-BENNION ID | A | 67,098 | 198 |
| EAGLE MOUNTAIN CITY | B | 61,266 | 196 |
| HERRIMAN CITY MUNICIPAL WATER DEPARTMENT | B | 60,000 | 300 |
| UNIVERSITY OF UTAH | C | 57,080 | 13 |
| KEARNS IMPROVEMENT DISTRICT | B | 56,700 | 38 |
| LOGAN CITY WATER SYSTEM | A | 55,540 | 12 |
| SPANISH FORK CITY | A | 47,169 | 16 |
Contaminants in Utah
Lead in UtahArsenic in UtahNitrate in UtahFluoride in UtahPFOS in UtahPFOA in UtahTHMs in UtahHAA5 in Utah
Cities in Utah
SALT LAKE CITY(7)WEST JORDAN(4)LEHI(3)OREM(6)EAGLE MOUNTAIN(3)BRIGHAM CITY(3)PROVO(7)ST GEORGE CITY(1)SARATOGA SPRINGS(3)SOUTH JORDAN(1)LAYTON(1)WELLSVILLE(4)HURRICANE(4)SANDY(5)SPANISH FORK(6)RIVERTON(1)HERRIMAN(3)OGDEN(9)KEARNS(1)CEDAR CITY(20)BOUNTIFUL(2)BLUFFDALE(4)ROY(2)CLINTON(2)TOOELE(2)DRAPER(3)SPRINGVILLE(3)SYRACUSE(1)KAYSVILLE(3)MAGNA(1)FARR WEST(2)HEBER CITY(7)PAYSON(7)ELWOOD(2)SANTAQUIN(2)COALVILLE(5)WEST HAVEN(2)PARK CITY(6)NORTH OGDEN(3)HIGHLAND(1)HOOPER(1)SMITHFIELD(2)NORTH SALT LAKE(1)GRANTSVILLE(1)VERNAL(4)WEST POINT(2)PRICE(2)TREMONTON(5)MOAB(7)MAPLETON(4)TRIDELL(1)FARMINGTON(2)STANSBURY PARK(3)IVINS(2)HYRUM(1)ROOSEVELT(3)VEYO(2)WASHINGTON TERRACE(1)PLEASANT VIEW(1)KANAB(6)RIVERDALE(1)RICHFIELD(1)CASTLEDALE(8)SOUTH WEBER CITY(1)NEPHI(1)EPHRAIM(1)PERRY(1)HILDALE(1)FRUIT HEIGHTS(1)DUCHESNE(5)MORGAN(7)WOODS CROSS(1)EDEN(6)ALTA(1)FRANKLIN(1)PRESTON(2)LA VERKIN(1)MOUNTAIN GREEN(2)DELTA(4)MOUNT PLEASANT(1)BLANDING(2)BEAVER(2)GUNNISON(1)OAKLEY(4)MANTI(1)PAROWAN(2)ST GEORGE(8)ENTERPRISE(3)KAMAS(5)FILLMORE(1)MONROE(2)MONTICELLO(4)SALINA(1)FIELDING(2)GARLAND(1)RIVER HEIGHTS(1)TALMAGE(1)MONA(1)FAIRVIEW(1)LEWISTON(1)