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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Shelby County Water System

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.

 

7

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
2018ND70ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-223944960ND
2018-05-253947809ND
2018-05-253947813ND
2018-08-034012813ND
2018-08-034012809ND
2018-11-144125359ND
2018-11-144125332ND