MCALESTER PWA Water Quality Report
Population
18,206
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 61
violations recorded
F
Unsafe
Safety Grade
61 violations in the past 5 years, including 154 health-based
System Details
- PWSID
- OK1020609
- Population Served
- 18,206
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Oklahoma
- EPA Region
- 6
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 3100 | ✕ Health-Based | 9 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 66 |
| Contaminant 2920 | ✕ Health-Based | 43 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Haloacetic Acids (HAA5) | ✕ Health-Based | 15 |
| Contaminant 0300 | ✕ Health-Based | 23 |
| Contaminant 1011 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0200 | ✕ Health-Based | 7 |
| Contaminant 5200 | ✕ Health-Based | 2 |
Violation History
2025
6
2024
8
2023
26
2022
19
2021
2
2020
22
2019
5
2018
8
2017
6
2016
2
Total violations on record: 172
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
172violations total
614% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 3× the national average.