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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Valencia Water Company

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.

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63

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
2019ND630ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-01-03201901020114ND
2019-01-03201901020116ND
2019-01-03201901020115ND
2019-01-09201901020170ND
2019-01-09201901020175ND
2019-01-09201901020172ND
2019-01-09201901020167ND
2019-01-09201901020169ND
2019-01-10201811020495ND
2019-01-10201811020499ND
2019-01-10201811020498ND
2019-01-10201811020493ND
2019-01-10201811020497ND
2019-01-10201811020494ND
2019-01-10201811020496ND
2019-01-16201901020165ND
2019-01-16201901020166ND
2019-01-16201901020171ND
2019-01-16201901020168ND
2019-01-16201901020163ND
2019-01-16201901020176ND
2019-01-24201901020164ND
2019-01-24201901020177ND
2019-01-24201901020174ND
2019-01-24201901020173ND
2019-04-11201902010001ND
2019-04-11201902010007ND
2019-04-11201902010002ND
2019-04-11201902010006ND
2019-04-11201902010003ND
2019-04-11201902010005ND
2019-04-11201902010004ND
2019-07-10201907020375ND
2019-07-10201907020374ND
2019-07-10201907020372ND
2019-07-10201907020380ND
2019-07-10201907020377ND
2019-07-11201905040098ND
2019-07-11201907020366ND
2019-07-11201905040097ND
2019-07-11201905040099ND
2019-07-11201905040096ND
2019-07-11201907020365ND
2019-07-11201905040100ND
2019-07-11201905040095ND
2019-07-11201907020367ND
2019-07-11201905040101ND
2019-07-17201907020376ND
2019-07-17201907020381ND
2019-07-17201907020368ND
2019-07-17201907020373ND
2019-07-17201907020371ND
2019-07-17201907020370ND
2019-07-24201907020369ND
2019-07-24201907020378ND
2019-07-24201907020382ND
2019-10-10201908040022ND
2019-10-10201908040021ND
2019-10-10201908040020ND
2019-10-10201908040019ND
2019-10-10201908040018ND
2019-10-10201908040017ND
2019-10-10201908040016ND