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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Middlesex 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.

 

14

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
2018ND140ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-16B8A1692-01_EPA 5ND
2018-02-27B8B2482-01ND
2018-04-25B8D2707-04ND
2018-04-25B8D2707-01ND
2018-04-25B8D2707-02ND
2018-04-25B8D2707-03ND
2018-04-25B8D2707-05ND
2018-07-09B8G0987-01ND
2018-07-09B8G0987-02ND
2018-10-08B8J1298-01ND
2018-10-08B8J1298-03ND
2018-10-08B8J1298-04ND
2018-10-08B8J1298-05ND
2018-10-08B8J1298-02ND