Know Your Environment. Protect Your Health.

Pentachlorophenol

City of Shavano Park

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

 

12

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
2020ND60ND
2021ND10ND
2022ND10ND
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
2020-02-24AE99578ND
2020-02-24AE99582ND
2020-02-24AE99584ND
2020-05-15AF11926ND
2020-05-15AF11930ND
2020-07-13AF19185ND
2021-06-18AF58934ND
2022-03-09AF88473ND
2023-03-16AG33402ND
2023-06-22AG45678ND
2023-06-22AG45679ND
2023-06-22AG45681ND