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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Miramar (East & West) Plants

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND10ND
2014ND40ND
2015ND20ND
20160.130 ppb21ND - 0.260 ppb
2017ND20ND

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 Result
2012-09-13ND
2012-09-13ND
2013-09-10ND
2014-09-09ND
2014-09-09ND
2014-11-19ND
2014-11-19ND
2015-09-09ND
2015-09-10ND
2016-09-130.260 ppb
2016-09-13ND
2017-09-29ND
2017-09-29ND