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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Mountain Home Waterworks

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.

 

4

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
2018ND40ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-0938477101ND
2018-04-0339160301ND
2018-07-0240288801ND
2018-10-0141327401ND