CITY OF RIO HONDO
PWS ID: TX0310006 · RIO HONDO, Texas 78583-0389
Population Served
2,640
Total Violations
858
Health-Based Violations
309
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 824
- County
- Cameron
- School/Daycare
- No
- MCL Violations
- 153
- Monitoring Violations
- 232
- Treatment Tech Violations
- 150
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 200 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | TT | 147 | 2025 |
| TTHM | MCL | 92 | 2018 |
| Interim Enhanced Surface Water Treatment Rule | MR | 73 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 61 | 2018 |
| Chlorite | MR | 54 | 2019 |
| CARBON, TOTAL | MR | 27 | 2025 |
| Lead and Copper Rule | MR | 19 | 2017 |
| Consumer Confidence Rule | Other | 17 | 2018 |
| Revised Total Coliform Rule | MON | 15 | 2018 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2018 |
| TTHM | MR | 10 | 2018 |
| Surface Water Treatment Rule | MR | 9 | 2019 |
| Chlorine dioxide | MR | 9 | 2025 |
| Coliform (TCR) | MR | 6 | 2015 |
| Chlorine dioxide | MRDL | 6 | 2019 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.