Pentachlorophenol
Plumstead Township Summer Hill Mead
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 | ND | 3 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2019-06-27 | 9021151-01 | ND |
| 2019-08-16 | 9027730-01 | ND |
| 2019-10-11 | 9034974-01 | ND |
| 2020-02-24 | 21655500.00 | ND |
| 2020-05-08 | 22402548.00 | ND |
| 2020-05-08 | 22402519.00 | ND |
| 2020-07-31 | 22785772.00 | ND |
| 2020-10-09 | 23170753.00 | ND |
| 2021-01-15 | 23700407.00 | ND |
| 2021-05-27 | 24626344.00 | ND |
| 2021-07-16 | 24816608.00 | ND |
| 2021-10-13 | 25392709.00 | ND |
| 2022-01-14 | 26106534.00 | ND |
| 2023-04-27 | 28886865.00 | ND |
| 2023-04-27 | 28886894.00 | ND |
| 2023-05-12 | 29096422.00 | ND |