WaterQ

City Water Quality Rankings in Oklahoma

272 cities ranked by drinking water quality.

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Popular city water quality comparisons

Erick, OK vs Quapaw, OK Compare → Seminole, OK vs Wyandotte, OK Compare → Allen, OK vs Concho, OK Compare → Stillwell, OK vs Tinker Afb, OK Compare →

Trending Cities

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#73
Mannford
County, OK
67 C
#74
Newcastle
County, OK
67 C
#75
Stilwell
County, OK
67 C
#76
Wynnewood
County, OK
67 C
#77
Healdton
County, OK
66 C
#78
Mead
County, OK
66 C
#79
Mooreland
County, OK
66 C
#80
Hinton
County, OK
65 C
#81
Jenks
County, OK
65 C
#82
Guthrie
County, OK
64 C
#83
Spencer
County, OK
64 C
#84
Vian
County, OK
64 C
#85
Hulbert
County, OK
63 C
#86
Stillwater
County, OK
63 C
#87
Broken Bow
County, OK
62 C
#88
Burns Flat
County, OK
62 C
#89
Agra
County, OK
61 C
#90
Cherokee
County, OK
60 C
#91
Haskell
County, OK
60 C
#92
Muldrow
County, OK
60 C
#93
Bartlesville
County, OK
58 D
#94
Catoosa
County, OK
58 D
#95
Elmore City
County, OK
58 D
#96
Rush Springs
County, OK
58 D

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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