Pentachlorophenol
Sharon 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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 10 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2019-06-06 | Q1932969045 | ND |
| 2019-06-06 | Q1932969044 | ND |
| 2019-08-27 | Q1959747003 | ND |
| 2019-08-27 | Q1959747013 | ND |
| 2019-10-30 | Q1974573013 | ND |
| 2019-10-30 | Q1974573014 | ND |
| 2020-01-21 | Q2002254021 | ND |
| 2020-01-21 | Q2002254022 | ND |
| 2020-01-21 | Q2002254023 | ND |
| 2020-04-08 | Q2014338009 | ND |
| 2020-10-21 | Q2041036047 | ND |
| 2020-10-21 | Q2041036050 | ND |
| 2020-10-21 | Q2041036049 | ND |
| 2020-10-21 | Q2041036048 | ND |
| 2020-10-21 | Q2041036046 | ND |
| 2020-10-21 | Q2041036015 | ND |
| 2023-01-11 | Q2301806007 | ND |
| 2023-08-15 | Q2334031018 | ND |
| 2023-08-15 | Q2334031019 | ND |
| 2023-08-15 | Q2334031020 | ND |
| 2023-10-25 | Q2346021029 | ND |
| 2023-10-25 | Q2346021030 | ND |
| 2023-10-25 | Q2346021031 | ND |
| 2023-10-25 | Q2346021032 | ND |