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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Farmerville Water System

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

MORE ABOUT THIS CONTAMINANT

 

28

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
2015ND140ND
2016N/A00N/A
2017N/A00N/A
2018ND140ND
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
2015-07-2135198892004ND
2015-07-2135198892002ND
2015-07-2135198892001ND
2015-07-2135198892003ND
2015-07-2135198892004ND
2015-07-2135198892005ND
2015-07-2135198892003ND
2015-07-2135198892002ND
2015-07-2135198892001ND
2015-07-2135198892005ND
2015-08-2435204447004ND
2015-08-2435204447003ND
2015-08-2435204447003ND
2015-08-2435204447004ND
2018-04-2535388787005ND
2018-04-2535388787004ND
2018-04-2535388787003ND
2018-04-2535388787002ND
2018-04-2535388787001ND
2018-04-2535388787002ND
2018-04-2535388787003ND
2018-04-2535388787004ND
2018-04-2535388787005ND
2018-04-2535388787001ND
2018-05-1535392914001ND
2018-05-1535392914002ND
2018-05-1535392914001ND
2018-05-1535392914002ND