Know Your Environment. Protect Your Health.

Pentachlorophenol

Medford Water Commission

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

 

15

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
2021ND40ND
2022ND20ND
2023ND40ND

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
2020-01-082001031001-SND
2020-01-082001031002-SND
2020-06-252006116401A-SND
2020-08-192008082301-SND
2020-08-192008082301A-SND
2021-01-282101107501-SND
2021-01-282101107501B-SND
2021-01-282101107502B-SND
2021-01-282101107502-SND
2022-01-312201113102A-SND
2022-01-312201113101A-SND
2023-01-2723010989-01-SND
2023-01-2723010989-02-SND
2023-06-1523060760-01C-SND
2023-09-1223090413-01A-SND