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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#169
Muskogee
County, OK
5 F
#170
Locust Grove
County, OK
4 F
#171
Altus
County, OK
0 F
#172
Amber
County, OK
0 F
#173
Anadarko
County, OK
0 F
#174
Antlers
County, OK
0 F
#175
Apache
County, OK
0 F
#176
Atoka
County, OK
0 F
#177
Barnsdall
County, OK
0 F
#178
Beggs
County, OK
0 F
#179
Blackwell
County, OK
0 F
#180
Blair
County, OK
0 F
#181
Boise City
County, OK
0 F
#182
Boley
County, OK
0 F
#183
Bristow
County, OK
0 F
#184
Caddo
County, OK
0 F
#185
Calera
County, OK
0 F
#186
Chandler
County, OK
0 F
#187
Chattanooga
County, OK
0 F
#188
Checotah
County, OK
0 F
#189
Chickasha
County, OK
0 F
#190
Clayton
County, OK
0 F
#191
Clinton
County, OK
0 F
#192
Coalgate
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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