Know Your Environment. Protect Your Health.

Alpha-hexachlorocyclohexane

City of Edmonds

NOTE: City of Edmonds purchases water from Alderwood Water District which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by Alderwood Water 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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND30ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

NOTE: City of Edmonds purchases water from Alderwood Water District which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by Alderwood Water District.

Date Lab ID Result
2018-02-0618-04154-8572ND
2018-05-0818-16312-33499ND
2018-08-0818-29762-60144ND
2018-11-0718-42196-85856ND