Know Your Environment. Protect Your Health.

Pentachlorophenol

Dean Dale Special Utility District

NOTE: Dean Dale Special Utility District purchases water from City of Wichita Falls which is required to test for pentachlorophenol. Sample information shown below was taken by City of Wichita Falls.

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

 

10

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
2021ND20ND
2022ND10ND
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: Dean Dale Special Utility District purchases water from City of Wichita Falls which is required to test for pentachlorophenol. Sample information shown below was taken by City of Wichita Falls.

Date Lab ID Result
2018-11-14Q1846491007ND
2019-08-19Q1956634006ND
2020-02-25Q2006937003ND
2020-06-02Q2021821001ND
2020-09-03Q2035218003ND
2020-11-10Q2044047011ND
2021-02-03Q2103346009ND
2021-08-16Q2121825007ND
2022-08-17Q2224340013ND
2023-08-21Q2335127016ND