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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Pioneer Rural Water District

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
2018N/A00N/A
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-08-204394259ND
2019-11-264499061ND
2020-03-094582870ND
2020-03-094582887ND
2020-05-274636621ND
2020-05-274636593ND
2020-10-204756428ND
2020-12-284806427ND