City Water Quality Rankings in Oklahoma
267 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#241
Piedmont
County, OK
0 F
#242 Pocola
County, OK
0 F
#243 Porter
County, OK
0 F
#244 Porum
County, OK
0 F
#245 Poteau
County, OK
0 F
#246 Prague
County, OK
0 F
#247 Preston
County, OK
0 F
#248 Quinton
County, OK
0 F
#249 Ratliff City
County, OK
0 F
#250 Salina
County, OK
0 F
#251 Schulter
County, OK
0 F
#252 Shidler
County, OK
0 F
#253 Snyder
County, OK
0 F
#254 Spiro
County, OK
0 F
#255 Stigler
County, OK
0 F
#256 Stringtown
County, OK
0 F
#257 Stroud
County, OK
0 F
#258 Talihina
County, OK
0 F
#259 Tecumseh
County, OK
0 F
#260 Temple
County, OK
0 F
#261 Wagoner
County, OK
0 F
#262 Wainwright
County, OK
0 F
#263 Watonga
County, OK
0 F
#264 Waurika
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.