Know Your Environment. Protect Your Health.

Pentachlorophenol

Marianna Waterworks

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
2018N/A00N/A
2019N/A00N/A
2020ND50ND
2021ND30ND
2022ND10ND
2023ND20ND

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
2020-01-2720030005908ND
2020-04-2820120000302ND
2020-05-2720149009201ND
2020-09-1420261000101ND
2020-11-23202011250483ND
2021-01-18202101210655ND
2021-05-1021132004101ND
2021-08-1121224003701ND
2022-04-26O197392-MCP-1ND
2023-02-14O206500-MCP-1ND
2023-04-26O208338-MCP-1ND