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EWG's Tap Water Database — 2019 UPDATE

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Pentachlorophenol

Fort Bend County MUD 25

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
2012ND20ND
2013ND30ND
2014ND30ND
2015ND20ND
2016ND30ND
2017ND30ND

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
2012-03-20AB84563ND
2012-03-20AB84565ND
2013-02-28AC12006ND
2013-02-28AC11977ND
2013-05-09AC19165ND
2014-01-16AC39338ND
2014-01-16AC39347ND
2014-01-16AC39327ND
2015-02-04AC79330ND
2015-06-02AC94247ND
2016-01-19AD18709ND
2016-01-19AD18750ND
2016-01-19AD18751ND
2017-01-12AD64848ND
2017-01-12AD64849ND
2017-01-12AD64846ND