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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Roswell Municipal Water System

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.

 

26

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
2018N/A00N/A
2019ND260ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-03-11201903120161ND
2019-03-11201903120164ND
2019-03-11201903120165ND
2019-03-11201903120157ND
2019-03-11201903120163ND
2019-03-11201903120166ND
2019-03-11201903120162ND
2019-03-11201903120167ND
2019-03-11201903120160ND
2019-03-11201903120159ND
2019-03-11201903120168ND
2019-03-11201903120158ND
2019-03-18201903190370ND
2019-09-09201909100468ND
2019-09-09201909100471ND
2019-09-09201909100472ND
2019-09-09201909100473ND
2019-09-09201909100470ND
2019-09-09201909100469ND
2019-09-09201909100467ND
2019-09-09201909100466ND
2019-09-09201909100465ND
2019-09-09201909100464ND
2019-09-09201909100463ND
2019-09-12201909130153ND
2019-09-12201909130154ND