Know Your Environment. Protect Your Health.

Pentachlorophenol

Prineville, City of

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND80ND
2020ND10ND
2021ND10ND
2022ND110ND
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2019-05-201935392-SND
2019-05-201935387-SND
2019-05-201935389-SND
2019-05-201935386-SND
2019-08-131958550-SND
2019-08-131958553-SND
2019-08-131958551-SND
2019-08-131958552ND
2020-03-19X040779-SND
2021-02-09X044752-SND
2022-04-2622-27115-SND
2022-04-2622-27123-SND
2022-05-12X050385-SND
2022-05-2422-33327-SND
2022-05-2422-33318-SND
2022-05-2422-33319-SND
2022-09-1322-59180-SND
2022-09-1322-59177-SND
2022-09-1322-59179-SND
2022-09-1322-59176-SND
2022-09-1322-59178-SND