Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Rochester

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.

 

86

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND140ND
2019N/A00N/A
2020ND100ND
2021ND300ND
2022ND70ND
2023ND250ND

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
2018-03-2918C1134-01ND
2018-06-1918F1334-02ND
2018-06-1918F1351-02ND
2018-06-1918F1348-04ND
2018-06-1918F1339-02ND
2018-06-1918F1348-02ND
2018-06-1918F1334-03ND
2018-09-2518I1339-01ND
2018-09-2518I1339-02ND
2018-09-2518I1339-03ND
2018-09-2518I1341-02ND
2018-09-2518I1341-03ND
2018-09-2518I1341-04ND
2018-12-2718L0843-02ND
2020-06-1720F1569-01ND
2020-06-1820F1568-02ND
2020-06-1820F1568-01ND
2020-06-2420F2015-01ND
2020-06-2420F2015-02ND
2020-09-2220I1275-01ND
2020-09-2220I1275-02ND
2020-09-2220I1276-01ND
2020-09-2220I1276-02ND
2020-09-3020J0030-01ND
2021-09-0221I0227-03ND
2021-09-0221I0238-01ND
2021-09-0221I0237-04ND
2021-09-0221I0237-03ND
2021-09-0221I0237-02ND
2021-09-0221I0237-01ND
2021-09-0221I0235-02ND
2021-09-0221I0235-01ND
2021-09-0221I0231-03ND
2021-09-0221I0231-02ND
2021-09-0221I0231-01ND
2021-09-0221I0228-03ND
2021-09-0221I0228-02ND
2021-09-0221I0228-01ND
2021-09-0221I0227-02ND
2021-10-1221J0523-04ND
2021-10-1221J0523-03ND
2021-10-1221J0523-02ND
2021-10-1221J0523-01ND
2021-10-1221J0521-03ND
2021-10-1221J0521-04ND
2021-10-1221J0521-01ND
2021-10-1221J0521-02ND
2021-10-1321J0609-01ND
2021-10-1321J0609-02ND
2021-10-1321J0609-03ND
2021-10-1321J0609-04ND
2021-10-1321J0611-01ND
2021-10-1321J0611-02ND
2021-10-1321J0611-03ND
2022-05-2522E2069-01ND
2022-08-0322H0304-02ND
2022-08-0322H0337-01ND
2022-08-0322H0304-03ND
2022-11-0822K0506-01ND
2022-11-0822K0506-02ND
2022-11-0822K0506-03ND
2023-01-0923A0222-01ND
2023-01-0923A0222-02ND
2023-05-1123E0924-02ND
2023-05-1123E0924-01ND
2023-08-0123H0145-01ND
2023-08-0223H0282-01ND
2023-08-0223H0282-02ND
2023-08-2323H2534-01ND
2023-12-1223L0481-09ND
2023-12-1223L0481-08ND
2023-12-1223L0481-07ND
2023-12-1223L0481-06ND
2023-12-1223L0481-05ND
2023-12-1223L0481-04ND
2023-12-1223L0481-03ND
2023-12-1223L0481-01ND
2023-12-1223L0480-10ND
2023-12-1223L0480-09ND
2023-12-1223L0480-08ND
2023-12-1223L0480-07ND
2023-12-1223L0480-06ND
2023-12-1223L0480-04ND
2023-12-1223L0480-03ND
2023-12-1223L0480-02ND
2023-12-1223L0480-01ND