Pentachlorophenol
Middletown Water Department
Pentachlorophenol is a carcinogenic chemical used as a wood preservative. It harms developing fetuses, and causes immune suppression and hormone disruption.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 5 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 4 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2015-05-26 | SOC 200417361 | ND |
2015-05-26 | SOC 200417362 | ND |
2015-09-24 | SOC 200425624 | ND |
2015-09-28 | SOC 200425711 | ND |
2015-12-08 | SOC 200430161 | ND |
2018-03-28 | SOC 200490769 | ND |
2018-04-16 | SOC 200492153 | ND |
2018-08-07 | SOC 200501550 | ND |
2018-08-07 | SOC 200501551 | ND |