Pentachlorophenol
Whitehall Twp Authority
Pentachlorophenol is a carcinogenic chemical used as a wood preservative. It harms developing fetuses, and causes immune suppression and hormone disruption.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 10 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 10 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.3 ppb
The EWG Health Guideline of 0.3 ppb for pentachlorophenol was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
EPA Maximum Contaminant
Level (MCL): 1 ppb
The legal limit for pentachlorophenol, established in 1991, was based on analytical detection limits at the time that the standard was set.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-05-19 | 22274566.00 | ND |
| 2020-05-19 | 22274446.00 | ND |
| 2020-05-19 | 22274536.00 | ND |
| 2020-05-19 | 22274506.00 | ND |
| 2020-05-19 | 22274476.00 | ND |
| 2020-08-04 | 22857108.00 | ND |
| 2020-08-04 | 22857138.00 | ND |
| 2020-08-04 | 22857078.00 | ND |
| 2020-08-04 | 22857048.00 | ND |
| 2020-08-04 | 22857018.00 | ND |
| 2023-05-02 | 28962556.00 | ND |
| 2023-05-02 | 28962557.00 | ND |
| 2023-05-02 | 28962555.00 | ND |
| 2023-05-02 | 28962558.00 | ND |
| 2023-05-02 | 28962554.00 | ND |
| 2023-08-01 | 29558821.00 | ND |
| 2023-08-01 | 29558819.00 | ND |
| 2023-08-01 | 29558822.00 | ND |
| 2023-08-01 | 29558820.00 | ND |
| 2023-08-01 | 29558823.00 | ND |