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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Rehoboth 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.

 

14

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
2019ND140ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-03-194231605ND
2019-03-194231594ND
2019-03-194231582ND
2019-03-194231521ND
2019-03-194231532ND
2019-03-194231555ND
2019-03-194231548ND
2019-09-104416184ND
2019-09-104416189ND
2019-09-104416178ND
2019-09-104416147ND
2019-09-104416377ND
2019-09-104416063ND
2019-09-164422410ND