City Water Quality Rankings in Oklahoma
267 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#121
Sapulpa
County, OK
42 F
#122 Kansas
County, OK
41 F
#123 Lexington
County, OK
41 F
#124 Mooreland
County, OK
41 F
#125 Mead
County, OK
40 F
#126 Pryor
County, OK
40 F
#127 Henryetta
County, OK
38 F
#128 Wilson
County, OK
37 F
#129 Elgin
County, OK
36 F
#130 Wayne
County, OK
36 F
#131 Yale
County, OK
35 F
#132 Big Cabin
County, OK
34 F
#133 Jones
County, OK
34 F
#134 Spencer
County, OK
34 F
#135 Collinsville
County, OK
33 F
#136 Bowlegs
County, OK
32 F
#137 Garvin
County, OK
32 F
#138 Monroe
County, OK
32 F
#139 Mustang
County, OK
32 F
#140 Wister
County, OK
32 F
#141 Comanche
County, OK
30 F
#142 Welch
County, OK
30 F
#143 Ardmore
County, OK
29 F
#144 Goodwell
County, OK
29 F
Frequently Asked Questions
How are city water quality rankings calculated in Oklahoma?
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 Oklahoma?
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.