Know Your Environment. Protect Your Health.

Pentachlorophenol

Crystal Farms Water Supply Corporation

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND40ND
2021ND10ND
2022ND10ND
2023ND20ND

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
2018-06-20Q1824485008ND
2019-07-25Q1947858006ND
2019-10-31Q1974664011ND
2020-03-12Q2010438009ND
2020-03-12Q2010438010ND
2020-05-21Q2020365007ND
2020-08-31Q2034597001ND
2021-05-20Q2113262008ND
2022-02-22Q2206222009ND
2023-09-07Q2338597001ND
2023-09-07Q2338597009ND