Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Alberta Water System

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019N/A00N/A
2020ND10ND
2021ND80ND
2022N/A00N/A
2023ND20ND

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
2018-06-1835399332002ND
2018-06-1835399332003ND
2018-06-1835399332004ND
2018-06-1835399332001ND
2018-06-1835399332002ND
2018-06-1835399332003ND
2018-06-1835399332004ND
2018-06-1835399332001ND
2020-12-1535599419001ND
2021-02-1135612027001ND
2021-04-2735629109001ND
2021-04-2735629109002ND
2021-04-2735629109003ND
2021-04-2735629109005ND
2021-05-2035635253002ND
2021-07-1335648189002ND
2021-11-0235675540003ND
2023-08-2335823153001ND
2023-08-2335823166001ND