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EWG's Tap Water Database — 2019 UPDATE

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Pentachlorophenol

Farmington City Water System

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

 

19

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
2013ND40ND
2014ND40ND
2015N/A00N/A
2016ND110ND
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 Result
2013-11-05ND
2013-11-05ND
2013-11-06ND
2013-11-06ND
2014-03-18ND
2014-06-16ND
2014-09-17ND
2014-12-11ND
2016-01-22ND
2016-02-03ND
2016-02-10ND
2016-09-13ND
2016-09-13ND
2016-09-13ND
2016-09-13ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND