Know Your Environment. Protect Your Health.

Pentachlorophenol

Paw Penn District

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

 

31

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
2019ND20ND
2020ND150ND
2021N/A00N/A
2022N/A00N/A
2023ND140ND

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
2019-07-1545716201ND
2019-10-3143999701ND
2020-04-0622069250.00ND
2020-04-0622069221.00ND
2020-04-0822069381.00ND
2020-04-0822069439.00ND
2020-04-1422069352.00ND
2020-04-1622069468.00ND
2020-04-1622069410.00ND
2020-05-0622261478.00ND
2020-07-0122652302.00ND
2020-07-0122652273.00ND
2020-07-0122652389.00ND
2020-07-0922652215.00ND
2020-07-0922652244.00ND
2020-07-0922652331.00ND
2020-07-1322652360.00ND
2023-04-0628749337.00ND
2023-04-0628749476.00ND
2023-04-0628749441.00ND
2023-04-1328749397.00ND
2023-04-1328749395.00ND
2023-04-1328749366.00ND
2023-06-0729155718.00ND
2023-07-1329346844.00ND
2023-07-1329346869.00ND
2023-07-1329346815.00ND
2023-07-1329346883.00ND
2023-07-2029346786.00ND
2023-07-2029346730.00ND
2023-07-2029346728.00ND