Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alachlor (Lasso)

Missouri American Jefferson City District

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND40ND
2015ND40ND
2016ND30ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-02-1224690201ND
2014-05-0625591001ND
2014-08-0426546801ND
2014-11-0327379601ND
2015-02-0928152501ND
2015-05-0328883501ND
2015-08-1029800401ND
2015-11-1630646401ND
2016-05-1631962801ND
2016-08-0233016001ND
2016-11-0233702701ND
2017-02-2734565501ND
2017-05-1735401901ND
2017-08-0236571501ND
2017-11-0637660101ND
2018-02-0638582901ND
2018-05-0839344601ND
2018-08-0740560101ND
2018-11-0641788501ND
2019-02-0643198101ND
2019-05-0743957201ND
2019-08-0645740501ND
2019-11-0647090901ND