DUNCAN PUBLIC UTILITIES AUTHORITY Water Quality Report
Population
23,000
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 33
violations recorded
F
Unsafe
Safety Grade
33 violations in the past 5 years, including 63 health-based
System Details
- PWSID
- OK1010809
- 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 | 3 |
| Contaminant 0100 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 3000 | ✕ Health-Based | 2 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 41 |
| Haloacetic Acids (HAA5) | ✕ Health-Based | 8 |
| Contaminant 0300 | ✕ Health-Based | 1 |
| Contaminant 1006 | ⚠ Monitoring/Reporting | 5 |
| Contaminant 2920 | ✕ Health-Based | 21 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 6 |
Violation History
2024
26
2023
7
2020
5
2019
16
2018
4
2017
9
2016
11
2015
1
2014
2
2013
1
Total violations on record: 88
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade F
Avg: B-C
88violations total
314% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 3× the national average.