Aguadilla
PWSID PR0003293 · Aguadilla, Puerto Rico · serves 124,782 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 7.8 ppt | — | 12/17/2025 |
| PFPeA | 6.7 ppt | — | 7/10/2023 |
| PFBA | 5.7 ppt | — | 7/10/2023 |
| PFOS | 5.3 ppt | 4 ppt | 1/13/2023 |
| PFOS | 5.2 ppt | 4 ppt | 7/10/2023 |
| PFBS | 5.2 ppt | — | 7/10/2023 |
| PFPeA | 4.9 ppt | — | 7/10/2023 |
| PFOS | 4.9 ppt | 4 ppt | 1/12/2023 |
| PFOS | 4.8 ppt | 4 ppt | 7/10/2023 |
| PFHxA | 4.7 ppt | — | 7/10/2023 |
| PFBS | 4.5 ppt | — | 7/10/2023 |
| PFBS | 4.4 ppt | — | 1/13/2023 |
| PFPeA | 4.1 ppt | — | 7/10/2023 |
| PFOS | 4.1 ppt | 4 ppt | 1/12/2023 |
| PFBS | 3.9 ppt | — | 6/25/2025 |
| PFBS | 3.7 ppt | — | 7/10/2023 |
| PFBS | 3.4 ppt | — | 1/12/2023 |
| PFBS | 3.4 ppt | — | 7/11/2023 |
| PFHxA | 3.3 ppt | — | 7/10/2023 |
| PFBS | 3.1 ppt | — | 1/12/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-06-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2024-07-01 | Nitrate | MR | No | Resolved |
| 2024-07-01 | Nitrate | MR | No | Resolved |
| 2024-07-01 | Nitrate | MR | No | Resolved |
| 2024-01-01 | Nitrate | MR | No | Resolved |
| 2024-01-01 | Nitrate | MR | No | Resolved |
| 2022-10-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2022-01-01 | Arsenic | MR | No | Resolved |
| 2022-01-01 | Barium | MR | No | Resolved |
| 2022-01-01 | Cadmium | MR | No | Resolved |
| 2022-01-01 | Chromium | MR | No | Resolved |
| 2022-01-01 | CYANIDE | MR | No | Resolved |
| 2022-01-01 | Mercury | MR | No | Resolved |
| 2022-01-01 | Antimony, Total | MR | No | Resolved |
| 2022-01-01 | Beryllium, Total | MR | No | Resolved |
| 2022-01-01 | Thallium, Total | MR | No | Resolved |
| 2022-01-01 | Selenium | MR | No | Resolved |