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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Carefree Water Company

Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2015-10-16201510190003SND
2016-01-28201601280209SND
2016-01-28201601280210SND
2016-07-21201607210569SND
2016-07-21201607210570SND
2019-04-18201904180312SND
2019-04-18201904180313SND
2019-08-29201908290369SND
2019-08-29201908290370SND