Pentachlorophenol
Frankston Rural Water Supply Corporation
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 | ND | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-03-20 | Q1811175010 | ND |
| 2018-03-20 | Q1811175011 | ND |
| 2018-03-20 | Q1811175023 | ND |
| 2018-03-20 | Q1811175024 | ND |
| 2019-04-16 | Q1915468018 | ND |
| 2020-10-28 | Q2041673009 | ND |
| 2021-08-05 | Q2120747008 | ND |
| 2021-08-05 | Q2120747027 | ND |
| 2021-08-05 | Q2120747028 | ND |
| 2021-08-05 | Q2120747029 | ND |
| 2022-10-21 | Q2232000013 | ND |
| 2023-04-12 | Q2313663013 | ND |