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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Johnson Utilities

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013N/A00N/A
2014N/A00N/A
2015ND40ND
2016ND20ND
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
2012-01-23201201240126SND
2012-01-23201201240134SND
2012-01-23201201240135SND
2012-07-26201207270229SND
2012-07-26201207270230SND
2012-07-26201207270231SND
2015-03-04201503040391SND
2015-03-04201508040390SND
2015-06-17201506170545SND
2015-06-17201506170546SND
2016-02-17201602180080SND
2016-10-27201610270264SND