Know Your Environment. Protect Your Health.

Pentachlorophenol

Paw Blue Mountain Division

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
2019ND10ND
2020ND100ND
2021N/A00N/A
2022N/A00N/A
2023ND100ND

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
2019-07-1645238801ND
2020-04-2222086533.00ND
2020-04-2922278277.00ND
2020-04-2922278348.00ND
2020-05-1122278406.00ND
2020-05-1122278377.00ND
2020-07-2022668159.00ND
2020-07-2022668130.00ND
2020-08-1722861740.00ND
2020-08-1722861682.00ND
2020-08-1722861711.00ND
2023-04-1028766855.00ND
2023-04-1028766822.00ND
2023-04-1128766797.00ND
2023-04-1128766676.00ND
2023-06-0729172426.00ND
2023-07-1229363498.00ND
2023-07-1229363467.00ND
2023-07-2429363579.00ND
2023-07-2429363553.00ND
2023-07-2429363469.00ND