City Water Quality Rankings in Utah
135 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#25
Magna
County, UT
80 B
#26 Orem
County, UT
79 B
#27 South Weber City
County, UT
79 B
#28 Hooper
County, UT
78 B
#29 North Salt Lake
County, UT
78 B
#30 Riverton
County, UT
78 B
#31 North Ogden
County, UT
77 B
#32 Ogden
County, UT
77 B
#33 Honeyville
County, UT
76 B
#34 Mendon
County, UT
76 B
#35 Mount Pleasant
County, UT
76 B
#36 Nephi
County, UT
76 B
#37 Stansbury Park
County, UT
75 B
#38 Paradise
County, UT
74 C
#39 Perry
County, UT
74 C
#40 Richfield
County, UT
74 C
#41 River Heights
County, UT
74 C
#42 Toquerville
County, UT
74 C
#43 Uintah City
County, UT
74 C
#44 Moab
County, UT
73 C
#45 Provo
County, UT
73 C
#46 West Haven
County, UT
73 C
#47 Draper
County, UT
72 C
#48 Vernal
County, UT
72 C
Frequently Asked Questions
How are city water quality rankings calculated in Utah?
WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.
Can I compare two cities in Utah?
Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.
How often does WaterQ refresh city data?
City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.