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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Cary

Alpha-HCH is a byproduct of the production of the insecticide lindane, which is no longer used in the U.S. The International Agency for Research on Cancer has classified all forms of this chemical as possibly carcinogenic to humans.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-09-174428035ND
2019-09-174428036ND
2019-09-174428037ND
2019-09-174428038ND
2019-09-184429086ND
2019-09-184429087ND
2019-09-244433797ND
2019-09-244433798ND
2020-03-104585778ND
2020-03-104585779ND
2020-03-104585780ND
2020-03-104585781ND
2020-03-184593807ND
2020-03-184593808ND
2020-03-184593809ND
2020-03-184593810ND