Oklahoma
Water Quality Report
41 Poor
Average Score
41/100
Water Systems
405
Population
3.5M
Violations
0 all resolved
Score Distribution
1 A
1 B
1 C
0 D
0 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Copper | 1 |
| Uranium | 1 |
| Trichloroethylene (TCE) | 1 |
| Manganese | 1 |
| Turbidity | 1 |
Lowest Scoring Water Systems
Counties in Oklahoma
Cities in Oklahoma
View all 272 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 41/100 across 405 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 405 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.