Know Your Environment. Protect Your Health.

Pentachlorophenol

Otwell Water Corporation

NOTE: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for pentachlorophenol. Sample information shown below was taken by Patoka Lake Regional Water.

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020N/A00N/A
2021ND10ND
2022ND30ND
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

NOTE: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for pentachlorophenol. Sample information shown below was taken by Patoka Lake Regional Water.

Date Lab ID Result
2018-05-16416929RS28-1802ND
2018-08-16426574RS28-1803ND
2021-08-184990899ND
2021-11-101-810-7353-1ND
2022-05-101-810-24180-1ND
2022-08-161-810-34359-1_INND
2022-11-081-810-43880-1_INND
2023-05-091-810-62557-1_INND
2023-08-091-810-73252-1_INND