SHAWNEE MUNICIPAL AUTHORITY Water Quality Report
Population
29,990
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 94%
of 49,184 US systems
5-Year Record
⚠️ 14
violations recorded
D
Poor
Safety Grade
14 violations in the past 5 years, including 12 health-based
System Details
- PWSID
- OK1020504
- Population Served
- 29,990
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Oklahoma
- EPA Region
- 6
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 3100 | ✕ Health-Based | 7 |
| Contaminant 0200 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0300 | ✕ Health-Based | 2 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 2920 | ✕ Health-Based | 13 |
| Contaminant 1052 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0100 | ⚠ Monitoring/Reporting | 1 |
Violation History
2025
4
2024
10
2020
1
2019
2
2016
1
1999
1
1997
1
1996
1
1995
1
1993
2
Total violations on record: 27
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade D
Avg: B-C
27violations total
96% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 4× the national average.