Pentachlorophenol
State College Boro Water Auth.
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 |
|---|---|---|
| 2020-05-13 | 22292204.00 | ND |
| 2020-05-13 | 22292177.00 | ND |
| 2020-05-13 | 22292285.00 | ND |
| 2020-05-13 | 22292231.00 | ND |
| 2020-05-13 | 22292258.00 | ND |
| 2020-08-17 | 23069141.00 | ND |
| 2020-08-17 | 22876907.00 | ND |
| 2020-08-17 | 23068958.00 | ND |
| 2020-08-17 | 22876889.00 | ND |
| 2020-08-17 | 22876932.00 | ND |
| 2023-05-15 | 28981620.00 | ND |
| 2023-05-15 | 28981629.00 | ND |
| 2023-05-15 | 28981611.00 | ND |
| 2023-05-15 | 28981643.00 | ND |
| 2023-05-15 | 28981597.00 | ND |
| 2023-08-14 | 29577809.00 | ND |
| 2023-08-16 | 29578193.00 | ND |
| 2023-08-16 | 29578135.00 | ND |
| 2023-08-16 | 29578222.00 | ND |
| 2023-08-16 | 29578164.00 | ND |