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EWG's Tap Water Database — 2021 UPDATE

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Aldicarb sulfone

Frisco, Town of

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

MORE ABOUT THIS CONTAMINANT

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND30ND
2016ND70ND
2017N/A00N/A
2018ND100ND
2019ND40ND

ppb = parts per billion

All test results

Date Result
2014-07-02ND
2015-02-19ND
2015-02-19ND
2015-02-19ND
2016-02-22ND
2016-02-22ND
2016-02-22ND
2016-08-17ND
2016-08-17ND
2016-08-17ND
2016-12-16ND
2018-02-14ND
2018-02-14ND
2018-04-12ND
2018-05-08ND
2018-05-08ND
2018-09-18ND
2018-09-18ND
2018-11-08ND
2018-11-08ND
2018-11-20ND
2019-03-21ND
2019-04-15ND
2019-07-16ND
2019-11-06ND