Aibonito Urbano
PWSID PR0004955 · Santurce, Puerto Rico · serves 5,580 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 4.3 ppt | 4 ppt | 3/21/2023 |
| PFOS | 4.3 ppt | 4 ppt | 9/25/2023 |
| PFBS | 3 ppt | — | 3/21/2023 |
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 |
| 2022-10-01 | Nitrate | MR | No | 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 |