Know Your Environment. Protect Your Health.

Pentachlorophenol

Appleby Water Supply Corporation

Pentachlorophenol is a carcinogenic chemical used as a wood preservative. It harms developing fetuses, and causes immune suppression and hormone disruption.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020ND50ND
2021ND30ND
2022ND40ND
2023ND80ND

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
2018-01-30Q1803539008ND
2018-04-18Q1815998031ND
2020-05-06Q2017875037ND
2020-05-06Q2017875038ND
2020-05-06Q2017875039ND
2020-05-06Q2017875040ND
2020-05-06Q2017875041ND
2021-02-01Q2102897024ND
2021-07-26Q2119473007ND
2021-10-12Q2128274007ND
2022-02-01Q2203639014ND
2022-05-16Q2214437009ND
2022-09-06Q2226362006ND
2022-11-08Q2233715007ND
2023-03-07Q2308836006ND
2023-03-22Q2310842014ND
2023-03-22Q2310842015ND
2023-06-19Q2323052002ND
2023-08-14Q2333697009ND
2023-08-14Q2333697010ND
2023-10-23Q2345174007ND
2023-10-23Q2345174013ND