Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Town of Annetta Deer Creek

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND60ND
2020ND30ND
2021ND20ND
2022ND60ND
2023ND10ND

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
2019-06-03Q1930677020ND
2019-06-03Q1930677021ND
2019-06-03Q1930677022ND
2019-06-03Q1930677023ND
2019-06-03Q1930677024ND
2019-06-03Q1930677019ND
2020-04-21Q2015803011ND
2020-08-27Q2034434011ND
2020-10-14Q2040327005ND
2021-02-01Q2102857001ND
2021-04-22Q2110415001ND
2022-02-07Q2204015001ND
2022-03-10Q2208362001ND
2022-11-17Q2234711016ND
2022-11-17Q2234711017ND
2022-11-17Q2234711018ND
2022-11-17Q2234711019ND
2023-11-08Q2348107023ND