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EWG's Tap Water Database — 2021 UPDATE

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Pentachlorophenol

Purcellville, Town of

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND30ND
2016ND10ND
2017N/A00N/A
2018ND50ND
2019ND20ND

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
2014-07-31E140606693ND
2014-08-21E140606706ND
2015-02-18VA010-DCLSND
2015-05-19VA010-DCLSND
2015-08-06VA010-DCLSND
2016-08-16E160700348ND
2018-03-13E180100344ND
2018-05-23E180303866ND
2018-05-30E180303847ND
2018-08-21E180601978ND
2018-08-28E180601963ND
2019-03-21E190302944ND
2019-03-21E190302955ND