OPA LOCKA, CITY OF
PWS ID: FL4131001 · OPALOCKA, Florida 33054
PFAS Detected
6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
16,479
Total Violations
67
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 4,800
- County
- Miami-Dade
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 41
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 13 | 2025 |
| Lead and Copper Rule | MR | 9 | 2017 |
| Consumer Confidence Rule | Other | 7 | 2007 |
| Coliform (TCR) | MR | 6 | 2013 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2023 |
| TTHM | MR | 5 | 2023 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 3 | 2009 |
| Coliform (TCR) | MCL | 2 | 2015 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFDoA | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 6/30/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 6/30/2023 | 0.0110 µg/L | 0.004 µg/L | Detected |
| PFNA | 6/30/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 6/30/2023 | 0.0031 µg/L | 0.003 µg/L | Detected |
| PFHxA | 6/30/2023 | 0.0045 µg/L | 0.003 µg/L | Detected |
| PFBS | 6/30/2023 | 0.0038 µg/L | 0.003 µg/L | Detected |
| NFDHA | 6/30/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 6/30/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 6/30/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMBA | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 6/30/2023 | 0.0061 µg/L | 0.003 µg/L | Detected |
| 9Cl-PF3ONS | 6/30/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHpS | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 6/30/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 6/30/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 6/30/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 6/30/2023 | 0.0085 µg/L | 0.005 µg/L | Detected |
| 6:2 FTS | 6/30/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 6/30/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 6/30/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 4/13/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| lithium | 4/13/2023 | <9 µg/L | 9 µg/L | Not Detected |
| NMeFOSAA | 4/13/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 4/13/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 4/13/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 10/25/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDoA | 10/25/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 10/25/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFBS | 10/25/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 10/25/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 10/25/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 10/25/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 10/25/2023 | 0.0097 µg/L | 0.004 µg/L | Detected |
| PFOA | 10/25/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 10/25/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 10/25/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NFDHA | 10/25/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFTA | 10/25/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFHxA | 10/25/2023 | 0.0042 µg/L | 0.003 µg/L | Detected |
| lithium | 10/25/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFPeS | 10/25/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 10/25/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 10/25/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 10/25/2023 | 0.0058 µg/L | 0.003 µg/L | Detected |
| PFMPA | 10/25/2023 | <0.004 µg/L | 0.004 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.