Utah Water Quality Ratings

TapWaterSafety has rated 19 public water systems in Utah, serving a combined 1,906,125 residents. The statewide average grade is D.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
D
63/100
Total utilities rated 19
Population served 1,906,125

Top water quality concerns in Utah

  • Haloacetic acids (HAA9) significantly above health guideline
  • Total trihalomethanes (TTHMs) significantly above health guideline
  • Arsenic significantly above health guideline
  • Haloacetic acids (HAA5) significantly above health guideline
  • PFAS contamination

Cities in Utah

Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.

BRIGHAM CITY
D 87,267
EAGLE MOUNTAIN
D 61,266
HERRIMAN
D 60,000
KEARNS
F 56,700
LAYTON
D 82,000
LEHI
D 93,446
OREM
D 98,129
PROVO
D 116,288
RIVERTON
F 67,098
SALT LAKE CITY
F 502,257
SANDY
D 156,830
SARATOGA SPRINGS
D 58,000
SOUTH JORDAN
D 89,704
ST GEORGE CITY
D 105,240
WELLSVILLE
B 55,540
WEST JORDAN
F 216,360

Grade distribution

A
0 (0%)
B
1 (5%)
C
4 (21%)
D
13 (68%)
F
1 (5%)

All rated utilities in Utah

Sorted by score, highest first. Click any utility to see the full grade card.

Rank Utility City Population Score Grade
#1 LOGAN CITY WATER SYSTEM WELLSVILLE 55,540 80 B
#2 LAYTON CITY WATER SYSTEM LAYTON 82,000 67 C
#3 PROVO CITY PROVO 116,288 67 C
#4 OREM CITY WATER SYSTEM OREM 98,129 67 C
#5 OGDEN CITY WATER SYSTEM BRIGHAM CITY 87,267 67 C
#6 SOUTH JORDAN CITY SOUTH JORDAN 89,704 64 D
#7 JORDAN VALLEY WCD WEST JORDAN 99,335 64 D
#8 SANDY CITY WATER SYSTEM SANDY 99,750 64 D
#9 UNIVERSITY OF UTAH SANDY 57,080 62 D
#10 HERRIMAN CITY MUNICIPAL WATER DEPARTMENT HERRIMAN 60,000 62 D
#11 LEHI CITY LEHI 93,446 62 D
#12 SARATOGA SPRINGS CITY SARATOGA SPRINGS 58,000 62 D
#13 EAGLE MOUNTAIN CITY EAGLE MOUNTAIN 61,266 62 D
#14 ST GEORGE CITY WATER SYSTEM ST GEORGE CITY 105,240 62 D
#15 SALT LAKE CITY WATER SYSTEM SALT LAKE CITY 381,174 61 D
#16 TAYLORSVILLE-BENNION ID RIVERTON 67,098 59 D
#17 GRANGER-HUNTER IMPROVEMENT DISTRICT SALT LAKE CITY 121,083 57 D
#18 KEARNS IMPROVEMENT DISTRICT KEARNS 56,700 57 D
#19 WEST JORDAN CITY WATER SYSTEM WEST JORDAN 117,025 53 F