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EWG's Tap Water Database — 2021 UPDATE

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Aldicarb sulfone

Castle Rock

Aldicarb sulfone is a groundwater contaminant and a neurotoxic metabolite of the insecticide aldicarb used on agricultural crops.

MORE ABOUT THIS CONTAMINANT

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016ND40ND
2017ND100ND
2018ND80ND
2019ND80ND

ppb = parts per billion

All test results

Date Result
2014-02-04ND
2014-04-29ND
2014-07-21ND
2014-07-22ND
2014-12-04ND
2014-12-04ND
2016-02-23ND
2016-02-24ND
2016-05-23ND
2016-11-14ND
2017-02-21ND
2017-02-21ND
2017-03-22ND
2017-04-18ND
2017-04-18ND
2017-05-16ND
2017-06-21ND
2017-07-17ND
2017-07-17ND
2017-10-18ND
2018-03-20ND
2018-03-20ND
2018-05-21ND
2018-08-30ND
2018-09-13ND
2018-11-16ND
2018-12-12ND
2018-12-12ND
2019-02-07ND
2019-04-17ND
2019-09-16ND
2019-09-16ND
2019-11-05ND
2019-11-25ND
2019-12-11ND
2019-12-11ND