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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Olean City

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.

 

6

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
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-11-06U9K0035-02ND
2020-02-03U0B0040-01ND
2020-05-0470129958004SEA2ND
2020-05-0470129958003SEA2ND
2020-05-0470129958002SEA3ND
2020-08-1970142762001SEA4ND