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EWG's Tap Water Database — 2019 UPDATE

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Pentachlorophenol

Philadelphia Water Department

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

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND30ND
2014ND60ND
2015ND30ND
2016ND30ND
2017ND70ND

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
2012-04-026604134ND
2012-04-026604132ND
2012-04-026604133ND
2013-05-151027470001ND
2013-05-151027470003ND
2013-05-151027470002ND
2014-04-077422122ND
2014-04-077422120ND
2014-04-077422118ND
2014-08-197572176ND
2014-08-197572174ND
2014-08-197572178ND
2015-06-1012888375ND
2015-06-1012888327ND
2015-06-1012888351ND
2016-06-0314411782ND
2016-06-0314411757ND
2016-06-0314411732ND
2017-05-1616101011ND
2017-05-1616100986ND
2017-05-1616100961ND
2017-07-2416420649ND
2017-07-2416420624ND
2017-07-2416573319ND
2017-07-2416420599ND