Know Your Environment. Protect Your Health.

Pentachlorophenol

City of Sansom Park

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

 

15

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
2019N/A00N/A
2020ND60ND
2021ND20ND
2022ND20ND
2023ND50ND

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
2020-01-21Q2002279026ND
2020-01-21Q2002279027ND
2020-01-21Q2002279028ND
2020-01-21Q2002279029ND
2020-09-01Q2034833013ND
2020-09-01Q2034833014ND
2021-09-14Q2124999011ND
2021-11-15Q2131782008ND
2022-03-14Q2208529007ND
2022-05-05Q2213616007ND
2023-04-13Q2313713004ND
2023-08-15Q2334087004ND
2023-08-15Q2334087028ND
2023-08-15Q2334087029ND
2023-08-15Q2334087030ND