Know Your Environment. Protect Your Health.

Pentachlorophenol

Mustang Valley Water Supply Corporation

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

 

10

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
2020ND50ND
2021N/A00N/A
2022N/A00N/A
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
2020-08-26Q2034243014ND
2020-08-26Q2034243022ND
2020-08-26Q2034243026ND
2020-08-26Q2034243032ND
2020-08-26Q2034243035ND
2023-07-24Q2329212007ND
2023-07-24Q2329212008ND
2023-10-31Q2346536014ND
2023-10-31Q2346536015ND
2023-10-31Q2346536016ND