RIO ARRIBA
PWS ID: PR0002842 · ARECIBO, Puerto Rico 00612
Population Served
753
Total Violations
287
Health-Based Violations
98
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 282
- County
- Arecibo Municipio
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 177
- Treatment Tech Violations
- 95
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 92 | 2005 |
| Surface Water Treatment Rule | MR | 51 | 2023 |
| Lead and Copper Rule | MR | 13 | 2015 |
| Consumer Confidence Rule | Other | 5 | 2022 |
| E. COLI | MR | 4 | 2018 |
| Nitrate | MR | 4 | 2024 |
| Coliform (TCR) | MCL | 3 | 2007 |
| Interim Enhanced Surface Water Treatment Rule | TT | 3 | 2006 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2009 |
| cis-1,2-Dichloroethylene | MR | 3 | 2009 |
| Xylenes, Total | MR | 3 | 2009 |
| o-Dichlorobenzene | MR | 3 | 2009 |
| 1,1-Dichloroethylene | MR | 3 | 2009 |
| 1,2-Dichloroethane | MR | 3 | 2009 |
| Tetrachloroethylene | MR | 3 | 2009 |
| CHLOROBENZENE | MR | 3 | 2009 |
| Ethylbenzene | MR | 3 | 2009 |
| Styrene | MR | 3 | 2009 |
| TTHM | MR | 3 | 2018 |
| p-Dichlorobenzene | MR | 3 | 2009 |
| Vinyl chloride | MR | 3 | 2009 |
| trans-1,2-Dichloroethylene | MR | 3 | 2009 |
| Trichloroethylene | MR | 3 | 2009 |
| Toluene | MR | 3 | 2009 |
| 1,2-Dichloropropane | MR | 3 | 2009 |
| Benzene | MR | 3 | 2009 |
| 1,1,1-Trichloroethane | MR | 3 | 2009 |
| Carbon tetrachloride | MR | 3 | 2009 |
| DICHLOROMETHANE | MR | 3 | 2009 |
| 1,1,2-Trichloroethane | MR | 3 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.