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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Citizens Water - Indianapolis

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.

 

25

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
2019ND120ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-09-104417010ND
2019-09-114417091ND
2019-09-114417109ND
2019-09-114417002ND
2019-09-114416998ND
2019-09-114417006ND
2019-09-184427072ND
2019-10-104452388ND
2019-10-104452389ND
2019-12-094510370ND
2019-12-094510727ND
2019-12-094510381ND
2020-03-104585106ND
2020-03-104585172ND
2020-03-104585250ND
2020-03-104585152ND
2020-03-114585117ND
2020-03-114585256ND
2020-03-114585206ND
2020-03-114585128ND
2020-03-314599864ND
2020-06-104647540ND
2020-06-104647536ND
2020-06-104647528ND
2020-06-104647532ND