City Water Quality Rankings in Oklahoma
272 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#265
Tecumseh
County, OK
0 F
#266 Temple
County, OK
0 F
#267 Wainwright
County, OK
0 F
#268 Watonga
County, OK
0 F
#269 Waurika
County, OK
0 F
#270 Wewoka
County, OK
0 F
#271 Whitesboro
County, OK
0 F
#272 Wilburton
County, OK
0 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.