Centerville Osterville Marstons Mills Wd
PWSID MA4020002 · Osterville, Massachusetts · serves 50,000 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 7.5 ppt | — | 10/1/2025 |
| PFHxA | 6.9 ppt | — | 2/19/2025 |
| PFPeA | 5.4 ppt | — | 2/19/2025 |
| PFHxA | 5.3 ppt | — | 8/11/2025 |
| PFOA | 4.9 ppt | 4 ppt | 2/19/2025 |
| PFOA | 4.8 ppt | 4 ppt | 8/11/2025 |
| PFHxA | 4.8 ppt | — | 10/1/2025 |
| PFOA | 4.5 ppt | 4 ppt | 8/11/2025 |
| PFHxA | 4.4 ppt | — | 8/11/2025 |
| PFPeA | 4.3 ppt | — | 8/11/2025 |
| PFPeA | 4.3 ppt | — | 5/21/2025 |
| PFPeA | 4 ppt | — | 8/11/2025 |
| PFBS | 4 ppt | — | 8/11/2025 |
| PFHxA | 3.8 ppt | — | 2/19/2025 |
| PFBS | 3.7 ppt | — | 10/1/2025 |
| PFPeA | 3.5 ppt | — | 2/19/2025 |
| PFHxS | 3.1 ppt | 10 ppt | 2/19/2025 |
| PFBS | 3.1 ppt | — | 2/19/2025 |
| PFPeA | 3.1 ppt | — | 8/11/2025 |
| PFHxA | 3 ppt | — | 2/19/2025 |
| PFHxA | 3 ppt | — | 8/11/2025 |
| PFHxS | 3 ppt | 10 ppt | 2/19/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-04-01 | Dinoseb | MR | No | Archived |
| 2024-04-01 | Diquat | MR | No | Archived |
| 2024-04-01 | Endothall | MR | No | Archived |
| 2024-04-01 | Glyphosate | MR | No | Archived |
| 2024-04-01 | HEXACHLOROBENZENE | MR | No | Archived |
| 2024-04-01 | Hexachlorocyclopentadiene | MR | No | Archived |
| 2024-04-01 | OXAMYL | MR | No | Archived |
| 2024-04-01 | Picloram | MR | No | Archived |
| 2024-04-01 | Simazine | MR | No | Archived |
| 2024-04-01 | 2,3,7,8-TCDD | MR | No | Archived |
| 2024-04-01 | Nitrate | MR | No | Archived |
| 2024-04-01 | LASSO | MR | No | Archived |
| 2024-04-01 | Atrazine | MR | No | Archived |
| 2024-04-01 | Carbofuran | MR | No | Archived |
| 2024-04-01 | Chlordane | MR | No | Archived |
| 2024-04-01 | 2,4-D | MR | No | Archived |
| 2024-04-01 | Endrin | MR | No | Archived |
| 2024-04-01 | ETHYLENE DIBROMIDE | MR | No | Archived |
| 2024-04-01 | Heptachlor epoxide | MR | No | Archived |
| 2024-04-01 | Heptachlor | MR | No | Archived |
| 2024-04-01 | Pentachlorophenol | MR | No | Archived |
| 2024-04-01 | Toxaphene | MR | No | Archived |
| 2024-04-01 | 2,4,5-TP | MR | No | Archived |
| 2024-04-01 | Methoxychlor | MR | No | Archived |
| 2024-04-01 | BHC-GAMMA | MR | No | Archived |
| 2024-04-01 | Total Polychlorinated Biphenyls (PCB) | MR | No | Archived |
| 2024-04-01 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Archived |
| 2024-04-01 | Benzo(a)pyrene | MR | No | Archived |
| 2024-04-01 | Dalapon | MR | No | Archived |
| 2024-04-01 | Di(2-ethylhexyl) adipate | MR | No | Archived |
| 2024-04-01 | Di(2-ethylhexyl) phthalate | MR | No | Archived |