Know Your Environment. Protect Your Health.

Pentachlorophenol

Jacobs Water Supply Corporation Plants 1 & 2

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-03-26Q1812037005ND
2018-03-26Q1812037012ND
2019-01-03Q1900175005ND
2019-01-03Q1900175012ND
2020-05-21Q2020366005ND
2020-05-21Q2020366006ND
2021-11-30Q2133011010ND
2021-11-30Q2133011011ND
2022-03-10Q2208342009ND
2022-03-10Q2208342010ND
2023-07-20Q2328746003ND
2023-10-19Q2344964003ND