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EWG's Tap Water Database — 2021 UPDATE

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Pentachlorophenol

Beauregard Water Authority

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND40ND
2017ND10ND
2018ND10ND
2019ND50ND

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
2014-01-14AA88227ND
2015-01-14AB02029ND
2016-01-12AB09703ND
2016-01-12AB09702ND
2016-04-13AB11108ND
2016-04-13AB11107ND
2017-02-27AB17794ND
2018-01-08AB24940AND
2019-01-17AB32612ND
2019-01-17AB32611ND
2019-04-10AB34079ND
2019-10-17AB39406ND
2019-10-17AB39407ND