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EWG's Tap Water Database

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Pentachlorophenol

Forest Water Supply Corporation

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

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND10ND
2011N/A00N/A
2012ND20ND
2013ND10ND
2014ND10ND
2015ND10ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.3 ppb

The 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.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 1 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-03-181003543002ND
2012-01-241201555009ND
2012-11-301212014001ND
2013-03-061303203004ND
2014-03-06Q1407235002ND
2015-02-05Q1504709007ND