#51 of 51B
Oklahoma Water Quality
Oklahoma ranks #51 out of 51 states for tap water quality with a score of 72.6 out of 100.
Summary
Overall Score
72.6
out of 100
Cities Tested
154
cities
Cities w/ Violations
154
100% of cities
Avg Contaminants
7.2
above guidelines
Population
10.2M
people affected
Cities Needing Improvement
Pop: 645,105Score: 65
2Pink
Pop: 645,200Score: 65
Pop: 644,140Score: 65
Pop: 719,824Score: 65
Pop: 644,000Score: 65
Cities listed have the lowest water quality scores in Oklahoma.
Get Oklahoma Water Updates
We analyze new EPA data as it drops. Get the breakdown for Oklahoma in your inbox.
Free forever. Unsubscribe anytime. We never share your email.
Frequently Asked Questions About Oklahoma Water Quality
Oklahoma ranks #51 out of 51 states and territories for water quality with a score of 72.6 out of 100 and a grade of B. A total of 154 cities were tested across the state.
Need contact data for Oklahoma utilities?
Check Your City's Water Quality
See detailed water quality data and get personalized filter recommendations for your specific location.
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Join 10,000+ people protecting their families. Unsubscribe anytime.