EAST RIO HONDO WSC ARROYO CITY
PWS ID: TX0310031 · RIO HONDO, Texas 78583-0621
Population Served
1,953
Total Violations
46
Health-Based Violations
8
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 651
- County
- Cameron
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 9 | 2003 |
| TTHM | MCL | 4 | 2005 |
| Coliform (TCR) | MCL | 4 | 2011 |
| Consumer Confidence Rule | Other | 3 | 2008 |
| Coliform (TCR) | MR | 2 | 1992 |
| Coliform (TCR) | Other | 2 | 1992 |
| Methoxychlor | MR | 1 | 2011 |
| Toxaphene | MR | 1 | 2011 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2011 |
| Heptachlor | MR | 1 | 2011 |
| Pentachlorophenol | MR | 1 | 2011 |
| LASSO | MR | 1 | 2011 |
| BHC-GAMMA | MR | 1 | 2011 |
| Chlordane | MR | 1 | 2011 |
| Hexachlorocyclopentadiene | MR | 1 | 2011 |
| HEXACHLOROBENZENE | MR | 1 | 2011 |
| Atrazine | MR | 1 | 2011 |
| Simazine | MR | 1 | 2011 |
| Heptachlor epoxide | MR | 1 | 2011 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2011 |
| Benzo(a)pyrene | MR | 1 | 2011 |
| Endrin | MR | 1 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.