Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Prairie Ronde Water System Inc.

Hexachlorocyclopentadiene was historically used for the manufacture of currently banned pesticides, such as endrin, dieldrin and chlordane. It’s still used for production of flame retardants, resins and plastics.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
2019N/A00N/A
2020N/A00N/A
2021ND50ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2 ppb

The EWG Health Guideline of 2 ppb for hexachlorocyclopentadiene 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 harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL): 50 ppb

The legal limit for hexachlorocyclopentadiene, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-0735391146001ND
2018-05-0735391146001ND
2018-09-2435420585001ND
2018-09-2435420585002ND
2018-09-2435420585003ND
2018-09-2435420585004ND
2018-09-2435420585001ND
2018-09-2435420585002ND
2018-09-2435420585003ND
2018-09-2435420585004ND
2021-05-1735634489001ND
2021-05-1735634489002ND
2021-05-1735634489003ND
2021-05-1735634489004ND
2021-05-1735634489005ND