Aruz
PWSID PR0003834 · Juana Diaz, Puerto Rico · serves 5,105 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 7.1 ppt | 4 ppt | 5/20/2025 |
| PFBS | 6.4 ppt | — | 5/20/2025 |
| PFOS | 6.1 ppt | 4 ppt | 11/17/2025 |
| PFBS | 5.7 ppt | — | 11/17/2025 |
| PFOS | 4.7 ppt | 4 ppt | 5/20/2025 |
| PFBS | 4.6 ppt | — | 5/20/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-01-01 | Nitrate | MR | No | Resolved |
| 2024-01-01 | Nitrate | MR | No | Resolved |