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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Monroe County Water Authority (MCWA)

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.

 

18

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
2018ND50ND
2019ND130ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-11-07201811080873ND
2018-11-07201811080885ND
2018-11-07201811080876ND
2018-11-07201811080874ND
2018-11-07201811080875ND
2019-02-14201902150267ND
2019-02-14201902150269ND
2019-02-14201902150268ND
2019-04-09201904100422ND
2019-05-09201905100126ND
2019-05-09201905100127ND
2019-05-09201905100242ND
2019-05-09201905100106ND
2019-05-09201905100133ND
2019-08-08201908090588ND
2019-08-08201908090589ND
2019-08-08201908090587ND
2019-08-08201908090590ND