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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Greenlawn WD

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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24

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
2018ND120ND
2019ND120ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-307059797018SEA1ND
2018-07-307059797019SEA1ND
2018-07-307059797029SEA1ND
2018-07-307059797020SEA1ND
2018-07-307059797021SEA1ND
2018-07-307059797028SEA1ND
2018-07-307059797022SEA1ND
2018-07-307059797023SEA1ND
2018-07-307059797027SEA1ND
2018-07-307059797024SEA1ND
2018-07-307059797025SEA1ND
2018-07-307059797026SEA1ND
2019-01-297077821029SEA2ND
2019-01-297077821028SEA2ND
2019-01-297077821027SEA2ND
2019-01-297077821026SEA2ND
2019-01-297077821025SEA2ND
2019-01-297077821024SEA2ND
2019-01-297077821023SEA2ND
2019-01-297077821022SEA2ND
2019-01-297077821021SEA2ND
2019-01-297077821020SEA2ND
2019-01-297077821019SEA2ND
2019-01-297077821018SEA2ND