Know Your Environment. Protect Your Health.

Alpha-hexachlorocyclohexane

City of Oak Harbor

NOTE: City of Oak Harbor purchases water from City of Anacortes which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by City of Anacortes.

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
2018ND30ND
2019ND30ND
2020ND10ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

NOTE: City of Oak Harbor purchases water from City of Anacortes which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by City of Anacortes.

Date Lab ID Result
2018-05-2118-17724-36372ND
2018-08-2018-31299-63519ND
2018-11-0918-42394-86198ND
2019-02-1419-05441-11078ND