CITY OF MASON
PWS ID: TX1600001 · MASON, Texas 76856-0068
Population Served
2,228
Total Violations
665
Health-Based Violations
593
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,327
- County
- Mason
- School/Daycare
- No
- MCL Violations
- 593
- Monitoring Violations
- 29
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 337 | 2021 |
| Gross Alpha, Excl. Radon and U | MCL | 256 | 2022 |
| Public Notice | Other | 38 | 2020 |
| Revised Total Coliform Rule | MON | 12 | 2019 |
| Coliform (TCR) | MR | 8 | 2014 |
| Lead and Copper Rule | MR | 6 | 2022 |
| E. COLI | MR | 3 | 2024 |
| Coliform (TCR) | Other | 1 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.