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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Kempner WSC

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND40ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

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
2012-02-09AB80677ND
2013-01-241301693003ND
2013-05-081305345003ND
2013-08-01Q1304801011ND
2013-10-14Q1308832009ND
2014-01-27AC40141ND
2015-05-18AC92414ND
2016-01-14AD18397ND
2017-01-30AD67702ND