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EWG's Tap Water Database — 2019 UPDATE

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Pentachlorophenol

Tempe Water Supply Corporation 1

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND40ND
2015N/A00N/A
2016ND40ND
2017ND40ND

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
2014-01-15AC39081ND
2014-01-15AC39085ND
2014-01-15AC39080ND
2014-01-15AC39084ND
2016-02-25AD25880ND
2016-02-25AD25878ND
2016-02-25AD25881ND
2016-02-25AD25882ND
2017-02-15AD70884ND
2017-02-15AD70878ND
2017-02-15AD70880ND
2017-06-01AD86475ND