MAUNABO URBANO
PWS ID: PR0004815 · MAUNABO, Puerto Rico 00707
PFAS Detected
2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
9,310
Total Violations
564
Health-Based Violations
72
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 3,487
- County
- Maunabo Municipio
- School/Daycare
- No
- MCL Violations
- 71
- Monitoring Violations
- 482
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 68 | 2018 |
| Coliform (TCR) | MCL | 43 | 2014 |
| Cryptosporidium | MR | 33 | 2019 |
| Turbidity | MR | 26 | 2019 |
| E. COLI | MR | 26 | 2019 |
| Total Haloacetic Acids (HAA5) | MCL | 20 | 2016 |
| Mercury | MR | 15 | 2010 |
| Nitrate | MR | 9 | 2010 |
| TTHM | MCL | 8 | 2017 |
| Gross Alpha, Excl. Radon and U | MR | 7 | 2018 |
| BHC-GAMMA | MR | 6 | 2018 |
| Methoxychlor | MR | 6 | 2018 |
| Diquat | MR | 6 | 2018 |
| Endothall | MR | 6 | 2018 |
| Glyphosate | MR | 6 | 2018 |
| OXAMYL | MR | 6 | 2018 |
| Picloram | MR | 6 | 2018 |
| Hexachlorocyclopentadiene | MR | 6 | 2018 |
| Carbofuran | MR | 6 | 2018 |
| LASSO | MR | 6 | 2018 |
| Heptachlor | MR | 6 | 2018 |
| Heptachlor epoxide | MR | 6 | 2018 |
| 2,4-D | MR | 6 | 2018 |
| 2,4,5-TP | MR | 6 | 2018 |
| Pentachlorophenol | MR | 6 | 2018 |
| Total Polychlorinated Biphenyls (PCB) | MR | 6 | 2018 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 6 | 2018 |
| Chlordane | MR | 6 | 2018 |
| Toxaphene | MR | 6 | 2018 |
| Dalapon | MR | 6 | 2018 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 360 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFBA | 8/27/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDoA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 8/27/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 8/27/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 8/27/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 8/27/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 8/27/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/27/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/27/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 8/27/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 8/27/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NEtFOSAA | 8/27/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 8/27/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFTA | 8/27/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| 6:2 FTS | 8/27/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 8/27/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFNA | 8/27/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 8/27/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 8/27/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 8:2 FTS | 8/25/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 8/25/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMBA | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 8/25/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 8/25/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 8/25/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFEESA | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 8/25/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 8/25/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 8/25/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 8/25/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 8/25/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFDoA | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 8/25/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFHxS | 8/25/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 8/25/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/25/2025 | <0.002 µg/L | 0.002 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.