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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Parkland Light & Water Company

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.

 

10

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
2019-03-19201903200335ND
2019-03-19201903200292ND
2019-03-19201903200291ND
2019-03-19201903200336ND
2019-05-29201905300223ND
2019-10-22201910230382ND
2019-10-22201910230386ND
2019-10-22201910230384ND
2019-10-22201910230383ND
2019-10-22201910230385ND