OWASSO Water Quality Report
Population
23,000
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 2
violations recorded
C
Fair
Safety Grade
2 violations in the past 5 years, including 3 health-based
System Details
- PWSID
- OK3007218
- Population Served
- 23,000
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Oklahoma
- EPA Region
- 6
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 3100 | ✕ Health-Based | 16 |
| Contaminant 3000 | ✕ Health-Based | 3 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 5200 | ✕ Health-Based | 2 |
Violation History
2024
2
2016
1
1998
1
1997
1
1996
3
1995
1
1994
5
1993
2
1992
2
1991
1
Total violations on record: 22
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
22violations total
79% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 3× the national average.