City Water Quality Rankings in Utah
135 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#73
Coalville
County, UT
62 C
#74 Tremonton
County, UT
62 C
#75 Veyo
County, UT
62 C
#76 Brigham City
County, UT
60 C
#77 Lewiston
County, UT
60 C
#78 Roosevelt
County, UT
60 C
#79 Santaquin
County, UT
60 C
#80 St George
County, UT
59 D
#81 Bluffdale
County, UT
58 D
#82 Highland
County, UT
58 D
#83 Mapleton
County, UT
58 D
#84 Monticello
County, UT
58 D
#85 Price
County, UT
57 D
#86 Fielding
County, UT
56 D
#87 Manti
County, UT
56 D
#88 Delta
County, UT
54 D
#89 Ivins
County, UT
52 D
#90 Garland
County, UT
51 D
#91 Parowan
County, UT
51 D
#92 Duchesne
County, UT
50 D
#93 Helper
County, UT
50 D
#94 Bountiful
County, UT
48 D
#95 Clinton
County, UT
47 D
#96 Genola
County, UT
46 D
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.