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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Los Alamos Municipal 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.

 

8

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
2018ND40ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-09-1018-35760-72403ND
2018-09-1018-35760-72404ND
2018-09-1018-35760-72405ND
2018-09-1018-35760-72406ND
2019-03-1219-09113-18583ND
2019-03-1219-09113-18584ND
2019-03-1219-09113-18585ND
2019-03-1219-09113-18586ND