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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Indiana American Water - Johnson County

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
2018ND30ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-1541251101ND
2018-10-1541251601ND
2018-10-1541251001ND
2019-04-1543625601ND
2019-04-1543625701ND
2019-04-1543625801ND