Know Your Environment. Protect Your Health.

Pentachlorophenol

Cecilia Water 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
2018N/A00N/A
2019ND60ND
2020ND50ND
2021ND40ND
2022ND30ND
2023ND40ND

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
2019-02-1835449808002ND
2019-02-1835449808003ND
2019-02-1835449808001ND
2019-02-1835449808002ND
2019-02-1835449808003ND
2019-02-1835449808001ND
2020-03-3035540639001ND
2020-09-2835581253002ND
2020-09-2835581253003ND
2020-12-0735597474003ND
2020-12-0735597474004ND
2021-02-0135608904004ND
2021-02-0135608904003ND
2021-05-0335630992003ND
2021-05-0335630992004ND
2022-01-3135694190001ND
2022-01-3135694190002ND
2022-01-3135694190003ND
2023-02-1335779756005ND
2023-02-1335779756009ND
2023-11-0635840310001ND
2023-11-0635840310002ND