Know Your Environment. Protect Your Health.

Pentachlorophenol

City of Rochester

NOTE: City of Rochester purchases water from North Central Texas Municipal Water Authority which is required to test for pentachlorophenol. Sample information shown below was taken by North Central Texas Municipal Water Authority.

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
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND20ND
2023ND10ND

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: City of Rochester purchases water from North Central Texas Municipal Water Authority which is required to test for pentachlorophenol. Sample information shown below was taken by North Central Texas Municipal Water Authority.

Date Lab ID Result
2018-02-13Q1806366008ND
2018-02-13Q1806366009ND
2019-03-07Q1909867002ND
2020-05-26Q2020617004ND
2021-05-18Q2112967007ND
2021-05-18Q2112967017ND
2021-08-24Q2122978016ND
2021-12-09Q2134685007ND
2022-03-02Q2207242015ND
2022-09-07Q2226614013ND
2023-03-08Q2309188003ND