CABO ROJO
PWS ID: PR0003373 · CABO ROJO, Puerto Rico 00623
Population Served
20,749
Total Violations
452
Health-Based Violations
117
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 7,771
- County
- Cabo Rojo Municipio
- School/Daycare
- No
- MCL Violations
- 64
- Monitoring Violations
- 322
- Treatment Tech Violations
- 53
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| CARBON, TOTAL | TT | 44 | 2013 |
| TTHM | MCL | 39 | 2021 |
| Turbidity | MR | 25 | 2017 |
| Cryptosporidium | MR | 25 | 2017 |
| E. COLI | MR | 25 | 2017 |
| Surface Water Treatment Rule | MR | 20 | 2001 |
| Coliform (TCR) | MCL | 13 | 2006 |
| Total Haloacetic Acids (HAA5) | MCL | 12 | 2016 |
| Lead and Copper Rule | MR | 9 | 2015 |
| 1,2,4-Trichlorobenzene | MR | 7 | 2005 |
| DICHLOROMETHANE | MR | 7 | 2005 |
| o-Dichlorobenzene | MR | 7 | 2005 |
| p-Dichlorobenzene | MR | 7 | 2005 |
| Vinyl chloride | MR | 7 | 2005 |
| 1,1-Dichloroethylene | MR | 7 | 2005 |
| trans-1,2-Dichloroethylene | MR | 7 | 2005 |
| 1,1,1-Trichloroethane | MR | 7 | 2005 |
| Trichloroethylene | MR | 7 | 2005 |
| 1,1,2-Trichloroethane | MR | 7 | 2005 |
| Tetrachloroethylene | MR | 7 | 2005 |
| cis-1,2-Dichloroethylene | MR | 7 | 2005 |
| Xylenes, Total | MR | 7 | 2005 |
| 1,2-Dichloroethane | MR | 7 | 2005 |
| Carbon tetrachloride | MR | 7 | 2005 |
| 1,2-Dichloropropane | MR | 7 | 2005 |
| CHLOROBENZENE | MR | 7 | 2005 |
| Benzene | MR | 7 | 2005 |
| Ethylbenzene | MR | 7 | 2005 |
| Toluene | MR | 7 | 2005 |
| Styrene | MR | 7 | 2005 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFMPA | 7/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 7/12/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 7/12/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 7/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 7/12/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| 4:2 FTS | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 7/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 7/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 7/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 7/12/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFEESA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 7/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHpS | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 7/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 7/12/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| lithium | 7/12/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFMBA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 7/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 7/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 7/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 7/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 7/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 7/12/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFTrDA | 4/24/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFTA | 4/24/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 4/24/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 4/24/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 4/24/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFUnA | 4/24/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHpS | 4/24/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 4/24/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 4/24/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxA | 4/24/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 4/24/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 4/24/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 4/24/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 4/24/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 4/24/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 4/24/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 4/24/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 4/24/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 4/24/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 4/24/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.