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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Golden State Water Company - Cordova

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.

 

19

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
2018ND110ND
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-08-14201808151165ND
2018-08-14201808160011ND
2018-08-14201808151190ND
2018-08-14201808151167ND
2018-08-14201808160016ND
2018-09-11201809120734ND
2018-09-11201809120732ND
2018-09-11201809120733ND
2018-11-15201811160444ND
2018-11-20201811210208ND
2018-11-28201811300201ND
2019-02-19201902200376ND
2019-02-22201902260146ND
2019-02-22201902260186ND
2019-02-26201902270134ND
2019-02-26201902270233ND
2019-02-27201902280128ND
2019-03-12201903130343ND
2019-05-14201905150326ND