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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Green Valley SUD

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.

 

11

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
2018N/A00N/A
2019ND100ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-05-09Q1923490001ND
2019-05-09Q1923490002ND
2019-05-09Q1923490003ND
2019-05-09Q1923490004ND
2019-05-09Q1923490005ND
2019-08-22Q1958883001ND
2019-11-21Q1977736001ND
2019-11-21Q1977736002ND
2019-11-21Q1977736003ND
2019-11-21Q1977736004ND
2020-02-26Q2007262001ND