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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Stillwater

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

MORE ABOUT THIS CONTAMINANT

 

39

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
2014ND60ND
2015ND100ND
2016ND90ND
2017ND140ND
2018N/A00N/A
2019N/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
2014-11-0614K0287-02ND
2014-11-0614K0287-03ND
2014-11-0614K0287-04ND
2014-11-0614K0290-02ND
2014-11-0614K0290-03ND
2014-11-0614K0287-01ND
2015-03-1115C0419-03ND
2015-03-1115C0419-04ND
2015-03-1115C0419-02ND
2015-03-1115C0419-01ND
2015-03-1115C0416-04ND
2015-03-1115C0416-03ND
2015-03-1115C0416-02ND
2015-03-1115C0416-01ND
2015-04-1415D0885-01ND
2015-04-1415D0885-02ND
2016-04-063426232ND
2016-04-063426221ND
2016-04-063426180ND
2016-04-063426171ND
2016-04-063426144ND
2016-04-063426109ND
2016-07-123491825ND
2016-07-123491778ND
2016-07-123491727ND
2017-02-0817B0418-03ND
2017-02-0817B0418-01ND
2017-02-0817B0417-02ND
2017-02-0817B0417-01ND
2017-03-0117C0040-02ND
2017-03-0117C0040-01ND
2017-03-0117C0039-01ND
2017-04-1717D0994-03ND
2017-04-1717D0994-04ND
2017-04-1717D0998-01ND
2017-04-1717D0998-02ND
2017-04-1717D0998-03ND
2017-04-1717D0994-02ND
2017-04-1717D0994-01ND