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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Port Washington 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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18

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
2018ND170ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-127054596005SEA1ND
2018-06-127054596004SEA1ND
2018-06-127054596001SEA1ND
2018-06-127054596003SEA1ND
2018-06-127054596002SEA1ND
2018-06-157055127001SEA1ND
2018-06-157055127002SEA1ND
2018-06-157055127003SEA1ND
2018-09-047063528003SEA1ND
2018-10-257069077015SEA2ND
2018-12-187074279004SEA2ND
2018-12-187074279003SEA2ND
2018-12-187074279002SEA2ND
2018-12-187074279001SEA2ND
2018-12-197074473002SEA2ND
2018-12-197074473003SEA2ND
2018-12-197074473004SEA2ND
2019-01-227077261001SEA2ND