Know Your Environment. Protect Your Health.

Pentachlorophenol

Castroville Community Services District

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
2018ND40ND
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022N/A00N/A
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
2018-07-09CA2710005_005_005-201807090900ND
2018-07-09CA2710005_003_003-201807090930ND
2018-07-09CA2710005_004_004-201807090835ND
2018-07-09CA2710005_009_009-201807090940ND
2021-01-19CA2710005_003_003-202101190942ND
2021-01-19CA2710005_004_004-202101191035ND
2021-01-19CA2710005_005_005-202101191010ND
2021-01-19CA2710005_009_009-202101190935ND
2023-01-18CA2710005_003_003-202301180900ND
2023-01-18CA2710005_009_009-202301180900ND
2023-01-30CA2710005_005_005-202301300900ND