Best for Water Quality in Oklahoma
5 cities ranked · Cleanest drinking water per EPA SDWIS — fewest violations, highest safety scores.
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Frequently Asked Questions
Which city in Oklahoma ranks highest for best for water quality?
Oklahoma City, OK ranks #1 in Oklahoma for best for water quality with a sub-score of 100/100 (MoveScore 73, grade B).
How many cities in Oklahoma are compared?
5 Oklahoma cities have enough federal data for this ranking. Cities need at least three of six sub-scores for inclusion.
How is this ranking calculated?
Cleanest drinking water per EPA SDWIS — fewest violations, highest safety scores. Sub-scores are normalized to 0-100 and the highest scores rank first.
Last updated:
Oklahoma-specific ranking using the water sub-score, normalized to 0-100. Cities need at least three federal sub-scores to be included.