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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Muscatatuck Urban Training Center

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
20150.500 ppb31ND - 1.50 ppb
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019N/A00N/A

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
2014-02-14496871RS525-1401ND
2014-05-14505832RS525-1402ND
2014-08-14514410RS525-1403ND
2014-11-13522313RS525-1404ND
2015-02-11529857RS525-1501ND
2015-05-13538152RS525-15021.50 ppb
2015-08-12545622RS28-1503ND