Shirley Water District
PWSID MA2270000 · Shirley, Massachusetts · serves 4,165 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxA | 7.1 ppt | — | 10/1/2025 |
| PFOA | 6.9 ppt | 4 ppt | 10/1/2025 |
| PFOA | 6 ppt | 4 ppt | 1/7/2026 |
| PFPeA | 5.2 ppt | — | 10/1/2025 |
| PFHxA | 3.8 ppt | — | 10/8/2024 |
| PFHpA | 3.7 ppt | — | 10/1/2025 |
| PFHxA | 3.7 ppt | — | 1/7/2026 |
| PFPeA | 3.7 ppt | — | 10/8/2024 |
| PFBS | 3 ppt | — | 10/1/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-07-01 | Consumer Confidence Rule | Other | No | Unaddressed |
| 2025-08-01 | TTHM | MR | No | Archived |
| 2025-08-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2025-08-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2025-08-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2025-08-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2025-08-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2025-08-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2024-10-01 | Lead and Copper Rule | MR | No | Resolved |
| 2024-08-01 | TTHM | MR | No | Archived |
| 2024-08-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |