Know Your Environment. Protect Your Health.

Alpha-hexachlorocyclohexane

City of Redmond Water System

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND90ND
2019ND10ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-04-11201804120942ND
2018-04-11201804120943ND
2018-04-11201804120964ND
2018-04-11201804120947ND
2018-07-26201807270122ND
2018-10-08201810090366ND
2018-10-10201810110851ND
2018-10-10201810110887ND
2018-11-01201811020160ND
2019-01-23201901240307ND