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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Oswego, City of

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND30ND
2014ND50ND
2015ND40ND
2016ND30ND
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 Lab ID Result
2012-06-11579930ZFND
2013-06-17597421ZFND
2013-09-03602546ZFND
2013-11-04605317ZFND
2014-02-1763397ND
2014-05-05109181ND
2014-06-17133181ND
2014-08-04165911ND
2014-11-03226678ND
2015-02-01270186ND
2015-05-03322081ND
2015-08-02377278ND
2015-11-29446713ND
2016-02-07490176ND
2016-05-08540624ND
2016-08-14602932ND
2017-05-14762214ND
2017-08-14819197ND