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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#121
Broken Arrow
County, OK
49 D
#122
Granite
County, OK
49 D
#123
Mustang
County, OK
49 D
#124
Coweta
County, OK
48 D
#125
Fort Sill
County, OK
48 D
#126
Goldsby
County, OK
48 D
#127
Afton
County, OK
47 D
#128
Cleveland
County, OK
47 D
#129
Grove
County, OK
45 D
#130
Lexington
County, OK
44 F
#131
Beaver
County, OK
43 F
#132
Goodwell
County, OK
43 F
#133
Sapulpa
County, OK
43 F
#134
Henryetta
County, OK
42 F
#135
Pawhuska
County, OK
42 F
#136
Pryor
County, OK
42 F
#137
Tuttle
County, OK
42 F
#138
Kingston
County, OK
40 F
#139
Inola
County, OK
39 F
#140
Gore
County, OK
38 F
#141
Monroe
County, OK
38 F
#142
Bowlegs
County, OK
37 F
#143
Elgin
County, OK
36 F
#144
Jones
County, OK
34 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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