Deer Park City Of
PWSID WA5318500 · Deer Park, Washington · serves 5,435 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 7.5 ppt | 4 ppt | 9/24/2024 |
| PFNA | 4.3 ppt | 10 ppt | 9/24/2024 |
| PFBS | 3.1 ppt | — | 9/24/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Endrin | MR | No | Resolved |
| 2025-10-01 | BHC-GAMMA | MR | No | Resolved |
| 2025-10-01 | Methoxychlor | MR | No | Resolved |
| 2025-10-01 | Toxaphene | MR | No | Resolved |
| 2025-10-01 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2025-10-01 | Simazine | MR | No | Resolved |
| 2025-10-01 | Di(2-ethylhexyl) phthalate | MR | No | Resolved |
| 2025-10-01 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2025-10-01 | Atrazine | MR | No | Resolved |
| 2025-10-01 | LASSO | MR | No | Resolved |
| 2025-10-01 | Heptachlor | MR | No | Resolved |
| 2025-10-01 | Heptachlor epoxide | MR | No | Resolved |
| 2025-10-01 | HEXACHLOROBENZENE | MR | No | Resolved |
| 2025-10-01 | Benzo(a)pyrene | MR | No | Resolved |
| 2025-10-01 | Chlordane | MR | No | Resolved |
| 2025-10-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2025-10-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2025-10-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2025-10-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2025-10-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2025-10-01 | Vinyl chloride | MR | No | Resolved |
| 2025-10-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2025-10-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2025-10-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2025-10-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2025-10-01 | Carbon tetrachloride | MR | No | Resolved |
| 2025-10-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2025-10-01 | Trichloroethylene | MR | No | Resolved |
| 2025-10-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2025-10-01 | Tetrachloroethylene | MR | No | Resolved |
| 2025-10-01 | CHLOROBENZENE | MR | No | Resolved |
| 2025-10-01 | Benzene | MR | No | Resolved |
| 2025-10-01 | Toluene | MR | No | Resolved |
| 2025-10-01 | Ethylbenzene | MR | No | Resolved |
| 2025-10-01 | Styrene | MR | No | Resolved |
| 2025-10-01 | Dalapon | MR | No | Resolved |
| 2025-10-01 | Picloram | MR | No | Resolved |
| 2025-10-01 | Dinoseb | MR | No | Resolved |
| 2025-10-01 | 2,4,5-TP | MR | No | Resolved |
| 2025-10-01 | Pentachlorophenol | MR | No | Resolved |
| 2024-01-01 | Nitrate | MR | No | Resolved |