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Utah Water Quality
1,068 public water systems serving 3,870,776 people.
Water Systems
1,068
Total Violations
169,784
Violation Rate
97.6%
PFAS Detection
70.5%
91 of 129 tested
Largest Water Systems
SALT LAKE CITY WATER SYSTEM
SALT LAKE CITY, UT · 381,174 served
GRANGER-HUNTER IMPROVEMENT DISTRICT
SALT LAKE CITY, UT · 121,083 served
WEST JORDAN CITY WATER SYSTEM
WEST JORDAN, UT · 117,025 served
PROVO CITY
PROVO, UT · 116,288 served
ST GEORGE CITY WATER SYSTEM
ST GEORGE CITY, UT · 105,240 served
SANDY CITY WATER SYSTEM
SANDY, UT · 99,750 served
JORDAN VALLEY WCD
WEST JORDAN, UT · 99,335 served
OREM CITY WATER SYSTEM
OREM, UT · 98,129 served
SOUTH JORDAN CITY
SOUTH JORDAN, UT · 87,356 served
OGDEN CITY WATER SYSTEM
BRIGHAM CITY, UT · 87,267 served
LAYTON CITY WATER SYSTEM
LAYTON, UT · 82,000 served
LEHI CITY
LEHI, UT · 79,978 served
TAYLORSVILLE-BENNION ID
RIVERTON, UT · 67,098 served
EAGLE MOUNTAIN CITY
EAGLE MOUNTAIN, UT · 61,266 served
HERRIMAN CITY MUNICIPAL WATER DEPARTMENT
HERRIMAN, UT · 60,000 served
SARATOGA SPRINGS CITY
SARATOGA SPRINGS, UT · 58,000 served
UNIVERSITY OF UTAH
SANDY, UT · 57,080 served
KEARNS IMPROVEMENT DISTRICT
KEARNS, UT · 56,700 served
LOGAN CITY WATER SYSTEM
WELLSVILLE, UT · 55,540 served
SPANISH FORK CITY
SPANISH FORK, UT · 47,169 served
Most Violations
#1 BIG PLAINS WATER SSD - CEDAR POINT APPLE VALLEY
1,897 #2 TOOELE CITY WATER SYSTEM TOOELE
1,670 #3 ROCKLAND RANCH MONTICELLO
1,661 #4 SNOWBASIN RESORT HUNTSVILLE
1,492 #5 EUREKA TOWN EUREKA
1,281 #6 M & J TRAILER HOME COMMUNITY SANDY
1,267 #7 HERRIMAN CITY MUNICIPAL WATER DEPARTMENT HERRIMAN
1,210 #8 PINE VALLEY IRRIGATION CO ST GEORGE
1,166 #9 WOODENSHOE WATER COMPANY SALT LAKE CITY
1,154 #10 HOLLIDAY WATER COMPANY SALT LAKE CITY
1,132 #11 FAIRFIELD CULINARY WATER SYSTEM FAIRFIELD
1,115 #12 AMALGA TOWN WATER SYSTEM AMALGA
1,100 #13 CEDAR FORT WATER SYSTEM CEDAR VALLEY
1,046 #14 BIG PLAINS WATER SSD - APPLE VALLEY APPLE VALLEY
1,046 #15 HILDALE - COLORADO CITY HILDALE
991 Counties in Utah
Salt Lake
77 systems · 1,463,023 served
· 13,678 violations
Utah
85 systems · 734,522 served
· 16,257 violations
Davis
25 systems · 411,806 served
· 3,162 violations
Weber
59 systems · 297,962 served
· 9,379 violations
Washington
61 systems · 246,683 served
· 14,833 violations
Cache
45 systems · 139,014 served
· 9,272 violations
Tooele
34 systems · 72,658 served
· 5,457 violations
Box Elder
49 systems · 65,132 served
· 9,379 violations
Iron
41 systems · 60,975 served
· 9,246 violations
Wasatch
59 systems · 55,668 served
· 8,761 violations
Summit
78 systems · 49,848 served
· 9,896 violations
Uintah
24 systems · 35,486 served
· 1,247 violations
Sanpete
38 systems · 32,759 served
· 7,185 violations
Sevier
34 systems · 22,920 served
· 4,309 violations
Carbon
21 systems · 22,864 served
· 1,737 violations
Duchesne
31 systems · 22,426 served
· 3,779 violations
Grand
21 systems · 22,221 served
· 3,250 violations
Morgan
27 systems · 16,698 served
· 3,489 violations
Kane
32 systems · 15,684 served
· 4,532 violations
Juab
15 systems · 13,808 served
· 2,949 violations
Emery
20 systems · 13,626 served
· 2,451 violations
Millard
28 systems · 12,855 served
· 5,123 violations
Garfield
53 systems · 9,783 served
· 5,624 violations
San Juan
28 systems · 9,658 served
· 5,217 violations
Beaver
18 systems · 7,111 served
· 1,180 violations
Rich
22 systems · 5,207 served
· 2,716 violations
Wayne
18 systems · 4,533 served
· 2,003 violations
Daggett
13 systems · 3,908 served
· 1,931 violations
Piute
12 systems · 1,938 served
· 1,742 violations