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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

City of Hewitt

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013N/A00N/A
2014N/A00N/A
2015ND40ND
2016ND40ND
2017ND40ND

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
2012-01-12AB77669ND
2012-01-12AB77666ND
2012-01-12AB77665ND
2012-01-12AB77668ND
2012-01-12AB77667ND
2015-03-23AC85765ND
2015-03-23AC85762ND
2015-03-23AC85763ND
2015-10-28AD12063ND
2016-01-20AD19069ND
2016-04-06AD32184ND
2016-07-13AD44165ND
2016-10-12AD53228ND
2017-02-06AD69387ND
2017-05-02AD82274ND
2017-07-19AD90034ND
2017-10-09AD99924ND