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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

City of Suffolk

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
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND80ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-29Q1803284001ND
2018-01-29Q1803284002ND
2018-05-02Q1817874001ND
2018-05-02Q1817874002ND
2018-07-10Q1827097001ND
2018-07-10Q1827097002ND
2018-10-10Q1840500001ND
2018-10-10Q1840500002ND