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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Harris County MUD 200 Cranbrook

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.

 

12

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
2020-03-23Q2012256001ND
2020-03-23Q2012256002ND
2020-03-23Q2012256003ND
2020-06-15Q2024392001ND
2020-06-15Q2024392002ND
2020-06-15Q2024392003ND
2020-09-21Q2037623001ND
2020-09-21Q2037623002ND
2020-09-21Q2037623003ND
2020-12-07Q2048650001ND
2020-12-07Q2048650002ND
2020-12-07Q2048650003ND