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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Olympic View Water & Sewer District

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.

 

8

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
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-05-22201905230311ND
2019-05-22201905230210ND
2019-08-07201908080950ND
2019-08-07201908080959ND
2019-11-13201911140402ND
2019-11-13201911140509ND
2020-02-05202002060365ND
2020-02-05202002060330ND