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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

City of Sumter

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.

 

10

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
2018ND100ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-293949109ND
2018-05-293949116ND
2018-05-293949139ND
2018-05-293949133ND
2018-06-203967967ND
2018-11-134125158ND
2018-11-134125215ND
2018-11-134124354ND
2018-11-134124800ND
2018-11-134125255ND