BLACKWELL MUNICIPAL AUTHORITY Water Quality Report
Population
7,668
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 39
violations recorded
F
Unsafe
Safety Grade
39 violations in the past 5 years, including 56 health-based
System Details
- PWSID
- OK1021101
- Population Served
- 7,668
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Oklahoma
- EPA Region
- 6
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 3000 | ✕ Health-Based | 9 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 3 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 28 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 4 |
| Bromate | ⚠ Monitoring/Reporting | 7 |
| Contaminant 0300 | ✕ Health-Based | 24 |
| Contaminant 0200 | ✕ Health-Based | 4 |
| Contaminant 1052 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 1008 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 3100 | ✕ Health-Based | 2 |
Violation History
2025
9
2024
14
2023
4
2022
8
2021
4
2020
7
2019
5
2018
6
2017
5
2016
6
Total violations on record: 85
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)
How does this compare?
This systemNational average
Grade F
Avg: B-C
85violations total
304% of national average
National avg: ~28 per system
📍 Average-sized water system.