Know Your Environment. Protect Your Health.

Pentachlorophenol

City of Moses Lake

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND130ND
2019ND40ND
2020N/A00N/A
2021ND40ND
2022ND10ND
2023N/A00N/A

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
2018-04-03ND
2018-04-03ND
2018-04-03ND
2018-04-03ND
2018-04-03ND
2018-04-03ND
2018-04-03ND
2018-04-03ND
2018-07-09ND
2018-08-13ND
2018-09-18ND
2018-12-10ND
2018-12-17ND
2019-03-26ND
2019-03-26ND
2019-04-01ND
2019-04-01ND
2021-06-144130307ND
2021-06-164144642ND
2021-06-164144643ND
2021-07-214149237ND
2022-06-134299742ND