Pentachlorophenol
Perkasie Regional 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 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 16 | 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 |
|---|---|---|
| 2023-05-03 | 28879678.00 | ND |
| 2023-05-03 | 28879679.00 | ND |
| 2023-05-03 | 28879680.00 | ND |
| 2023-05-03 | 28879681.00 | ND |
| 2023-06-27 | 29088400.00 | ND |
| 2023-06-27 | 29088401.00 | ND |
| 2023-06-27 | 29088402.00 | ND |
| 2023-06-27 | 29088399.00 | ND |
| 2023-09-06 | 29681579.00 | ND |
| 2023-09-06 | 29681580.00 | ND |
| 2023-09-06 | 29681581.00 | ND |
| 2023-09-06 | 29681582.00 | ND |
| 2023-12-19 | 30228522.00 | ND |
| 2023-12-19 | 30228523.00 | ND |
| 2023-12-19 | 30228524.00 | ND |
| 2023-12-19 | 30228525.00 | ND |