CITY OF SONORA
PWS ID: TX2180001 · SONORA, Texas 76950-2609
Population Served
2,766
Total Violations
82
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,476
- County
- Sutton
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 43
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2015 |
| Public Notice | Other | 13 | 2025 |
| Chlorine | MR | 12 | 2020 |
| E. COLI | MR | 8 | 2015 |
| Coliform (TCR) | MCL | 4 | 2002 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| Revised Total Coliform Rule | MON | 4 | 2021 |
| LEAD AND COPPER RULE REVISIONS | TT | 4 | 2024 |
| Lead and Copper Rule | MR | 3 | 2020 |
| Consumer Confidence Rule | Other | 3 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.