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EWG's Tap Water Database — 2019 UPDATE

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Pentachlorophenol

City of San Benito

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND60ND
2014ND20ND
2015ND10ND
2016ND20ND
2017N/A00N/A

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
2012-01-111201250003ND
2012-04-101204235004ND
2012-04-101204235003ND
2012-07-181207811001ND
2012-12-05AC06244ND
2013-01-16AC08039ND
2013-01-16AC08018ND
2013-04-02AC15556ND
2013-04-02AC15554ND
2013-07-09AC24179ND
2013-10-22AC32947ND
2014-03-05AC45755ND
2014-06-03AC55828ND
2015-03-18AC85138ND
2016-03-08AD27678ND
2016-03-08AD27719ND