Know Your Environment. Protect Your Health.

Pentachlorophenol

Vivian Water System

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND30ND
2021ND20ND
2022ND10ND
2023ND30ND

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
2018-01-0835367519001ND
2018-01-0835367519001ND
2018-07-2335407296001ND
2018-07-2335407296001ND
2019-02-1835449625001ND
2019-02-1835449625001ND
2019-07-2535485237001ND
2019-07-2535485237001ND
2020-02-1135530385001ND
2020-08-0435567924001ND
2020-08-0435567926001ND
2021-01-0535602530001ND
2021-08-1035655130001ND
2022-02-1435697796001ND
2023-01-3035776976005ND
2023-08-1535821489001ND
2023-12-1235848285001ND