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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Dean Water Supply Corporation

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2020-02-18116968PND
2020-02-18116969PND
2020-02-18116970PND
2020-08-18120762PND
2020-08-18120763PND
2020-08-18120764PND