Oklahoma
Water Quality Report
38 Poor
Average Score
38/100
Water Systems
397
Population
3.4M
Violations
480 153 unresolved
Score Distribution
22 A
10 B
16 C
7 D
42 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Copper (90th percentile) | 2 |
Lowest Scoring Water Systems
0
Duncan Public Utilities Authority F
OK1010809 Duncan, OK 23,000 served
0
Consolidated Rwd #3 Creek Co F
OK3001916 Sapulpa, OK 3,500 served
0
Wagoner Co. Rwd #2 F
OK1021643 Wagoner, OK 2,000 served
0
Chickasha Municipal Authority F
OK1010821 Chickasha, OK 16,036 served
0
Pittsburg Co. Rwd #14 F
OK1020625 Mcalester, OK 1,680 served
Counties in Oklahoma
Cities in Oklahoma
View all 267 cities →Popular City Comparisons in Oklahoma
Quickly compare major cities in Oklahoma by water quality score and grade.
Frequently Asked Questions
Is tap water in Oklahoma safe to drink?
Oklahoma has an average WaterQ score of 38/100 across 397 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in Oklahoma?
WaterQ currently tracks 397 public water systems in Oklahoma.
Where can I compare cities in Oklahoma?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.