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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Dona Ana MDWCA

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
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017ND50ND
2018ND40ND
2019ND20ND

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
2014-07-291408060-005AND
2014-07-291408063-005AND
2014-07-291408057-005AND
2014-07-291408062-005AND
2014-07-291408061-005AND
2014-09-031409282-005AND
2017-03-071703473-001ND
2017-03-071703474-001ND
2017-03-071703472-001ND
2017-03-071703471-001ND
2017-10-031710331-001ND
2018-01-091801603-005ND
2018-01-091801604-005ND
2018-01-091801605-002ND
2018-01-161801921-005ND
2019-07-091907439-005ND
2019-10-211910C28-002ND