CITY OF JOHNSON CITY
PWS ID: TX0160001 · JOHNSON CITY, Texas 78636-0369
Population Served
2,097
Total Violations
101
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 874
- County
- Blanco
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 83
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 41 | 2021 |
| Revised Total Coliform Rule | MON | 15 | 2023 |
| Public Notice | Other | 14 | 2024 |
| Lead and Copper Rule | MR | 14 | 2024 |
| Coliform (TCR) | MR | 9 | 2010 |
| CYANIDE | MR | 4 | 2015 |
| Consumer Confidence Rule | Other | 4 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.