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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Cle Inc. Forest Hills Pch

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
2015N/A00N/A
2016ND10ND
2017ND30ND
2018ND10ND
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
2016-06-2114469261ND
2017-04-2515999657ND
2017-07-3116471343ND
2017-11-1317215626ND
2018-03-127045159001ND
2019-03-113021622001ND
2019-04-083026947001ND
2019-07-153045670001ND
2019-10-073062316001ND