WaterQ

City Water Quality Rankings in Oklahoma

267 cities ranked by drinking water quality.

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Popular city water quality comparisons

Erick, OK vs Mcloud, OK Compare → Quapaw, OK vs Wyandotte, OK Compare → Allen, OK vs Concho, OK Compare → Tinker Afb, OK vs Westville, OK Compare →

Trending Cities

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#217
Hominy
County, OK
0 F
#218
Hugo
County, OK
0 F
#219
Idabel
County, OK
0 F
#220
Indianola
County, OK
0 F
#221
Kellyville
County, OK
0 F
#222
Kingfisher
County, OK
0 F
#223
Konawa
County, OK
0 F
#224
Krebs
County, OK
0 F
#225
Langston
County, OK
0 F
#226
Laverne
County, OK
0 F
#227
Madill
County, OK
0 F
#228
Maysville
County, OK
0 F
#229
Moore
County, OK
0 F
#230
Morris
County, OK
0 F
#231
Mounds
County, OK
0 F
#232
Nichols Hills
County, OK
0 F
#233
Oilton
County, OK
0 F
#234
Okarche
County, OK
0 F
#235
Okay
County, OK
0 F
#236
Okmulgee
County, OK
0 F
#237
Oktaha
County, OK
0 F
#238
Panama
County, OK
0 F
#239
Pawnee
County, OK
0 F
#240
Perkins
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.

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