Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alpha-hexachlorocyclohexane

City of Ripon

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.

 

7

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
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2020-03-11ADC0083-01ND
2020-03-11ADC0083-02ND
2020-03-11ADC0083-04ND
2020-09-16ADH2894-01ND
2020-09-16ADH2894-02ND
2020-09-16ADH2894-03ND
2020-09-16ADH2894-04ND