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EWG's Tap Water Database — 2021 UPDATE

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Pentachlorophenol

Norman

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

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163

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20180.00148 ppb1081ND - 0.160 ppb
2019ND550ND

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
2018-01-033847202ND
2018-01-033847249ND
2018-01-033847258ND
2018-01-033847267ND
2018-01-033847276ND
2018-01-093850191ND
2018-01-093850201ND
2018-01-093850215ND
2018-01-163853820ND
2018-01-163853829ND
2018-01-163853850ND
2018-01-163853860ND
2018-01-163853894ND
2018-01-2238566850.160 ppb
2018-01-223856737ND
2018-01-223856753ND
2018-01-243858391ND
2018-01-293860646ND
2018-01-293860688ND
2018-01-293860697ND
2018-01-303861542ND
2018-02-073867319ND
2018-02-073867328ND
2018-02-073867379ND
2018-02-143872974ND
2018-02-153873623ND
2018-02-223878273ND
2018-04-023902018ND
2018-04-023902031ND
2018-04-033903124ND
2018-04-033903133ND
2018-04-053905303ND
2018-04-053905314ND
2018-04-053905325ND
2018-04-093907187ND
2018-04-163913527ND
2018-04-163913536ND
2018-04-183915866ND
2018-04-183915904ND
2018-04-183915914ND
2018-04-263922066ND
2018-04-263922075ND
2018-04-263922084ND
2018-04-263922093ND
2018-04-303924220ND
2018-05-073930012ND
2018-05-073930040ND
2018-05-073930052ND
2018-05-073930080ND
2018-05-093933226ND
2018-05-093933734ND
2018-05-213942187ND
2018-05-213942196ND
2018-05-303949657ND
2018-07-023977710ND
2018-07-023978097ND
2018-07-023979187ND
2018-07-023980872ND
2018-07-043980830ND
2018-07-043980880ND
2018-07-103984437ND
2018-07-103984488ND
2018-07-103984501ND
2018-07-183993074ND
2018-07-183993094ND
2018-07-183993118ND
2018-07-183993131ND
2018-07-183995135ND
2018-07-254001414ND
2018-07-254001429ND
2018-07-254001453ND
2018-07-314006900ND
2018-07-314006949ND
2018-07-314007064ND
2018-07-314007072ND
2018-08-084016223ND
2018-08-084016295ND
2018-08-134020958ND
2018-08-204029317ND
2018-08-274036915ND
2018-08-274036957ND
2018-10-154089673ND
2018-10-154089699ND
2018-10-154089776ND
2018-10-154090910ND
2018-10-154090924ND
2018-10-174092781ND
2018-10-174092790ND
2018-10-184095075ND
2018-10-184095084ND
2018-10-184095101ND
2018-10-184095110ND
2018-10-184095118ND
2018-10-224099176ND
2018-10-224099185ND
2018-10-224099202ND
2018-10-234099312ND
2018-10-234099321ND
2018-10-234099330ND
2018-10-234099339ND
2018-10-234099541ND
2018-10-244100848ND
2018-10-294104472ND
2018-10-294104490ND
2018-10-294104499ND
2018-10-304105901ND
2018-12-174152931ND
2018-12-184154368ND
2019-02-134197749ND
2019-02-134197834ND
2019-03-134226383ND
2019-04-024246268ND
2019-04-024246277ND
2019-04-024246318ND
2019-04-024246327ND
2019-04-034247837ND
2019-04-034247853ND
2019-04-034247875ND
2019-04-044249690ND
2019-04-084253357ND
2019-04-084253366ND
2019-04-084253375ND
2019-04-094254450ND
2019-04-094254694ND
2019-04-094254703ND
2019-04-104256579ND
2019-04-104256592ND
2019-04-104256603ND
2019-04-104256614ND
2019-04-174264158ND
2019-04-184266093ND
2019-04-294276344ND
2019-05-024280983ND
2019-05-024280984ND
2019-05-094289498ND
2019-07-294368516ND
2019-08-154388904ND
2019-09-114417905ND
2019-10-104452602ND
2019-10-104452613ND
2019-10-104452626ND
2019-10-154458267ND
2019-10-154458276ND
2019-10-154458326ND
2019-10-154458336ND
2019-10-154458444ND
2019-10-174460162ND
2019-11-064478560ND
2019-11-064478671ND
2019-11-064478695ND
2019-11-184489490ND
2019-11-184489499ND
2019-11-214494833ND
2019-11-214495317ND
2019-12-054505840ND
2019-12-054505850ND
2019-12-104510444ND
2019-12-104510453ND
2019-12-104510470ND
2019-12-104510523ND
2019-12-104518239ND
2019-12-174517947ND
2019-12-204522411ND