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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Slidell Water Supply

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND80ND
2014N/A00N/A
2015N/A00N/A
2016ND80ND
2017N/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
2013-09-10AD83679ND
2013-09-10AD83680ND
2013-09-10AD83681ND
2013-09-10AD83682ND
2013-09-10AD83679ND
2013-09-10AD83680ND
2013-09-10AD83681ND
2013-09-10AD83682ND
2016-09-1235265891001ND
2016-09-1235265891002ND
2016-09-1235265891003ND
2016-09-1235265891004ND
2016-09-1235265891001ND
2016-09-1235265891002ND
2016-09-1235265891003ND
2016-09-1235265891004ND