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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Galveston County WCID 1

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.

 

15

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
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2020-04-20202004210243ND
2020-04-20202004210195ND
2020-04-20202004210247ND
2020-04-20202004210258ND
2020-04-20202004210235ND
2020-06-25202006260165ND
2020-06-25202006260168ND
2020-06-25202006260159ND
2020-06-25202006260188ND
2020-06-25202006260197ND
2021-01-26202101270367ND
2021-01-26202101270352ND
2021-01-26202101270353ND
2021-01-26202101270351ND
2021-01-26202101270375ND