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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Lauradale S/d

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
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
2014-09-3037729_14-29722ND
2014-12-2937729_14-38989ND
2015-03-29ND
2015-06-29ND
2015-09-30ND
2015-12-28ND
2016-03-3037729_16-10023ND
2016-12-2737729_16-44932ND
2016-12-2737729_16-44933ND
2016-12-2737729_16-44934ND
2019-06-1737729_19-25172A ND
2019-12-3037729_19-55337 ND
2019-12-3037729_19-55341 ND
2019-12-3137729_19-55411 ND