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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Rockford

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

 

45

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND30ND
2014ND160ND
2015ND20ND
2016ND30ND
2017ND160ND

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
2012-01-242012864-02ND
2012-03-222032563-01ND
2012-03-222032567-01ND
2012-03-222032563-02ND
2012-05-152052166-02ND
2013-03-123031609-01ND
2013-06-253063688-01RE1ND
2013-06-253063688-01ND
2014-01-224012700-01ND
2014-01-224012700-02ND
2014-01-274013503-02ND
2014-01-284013503-01ND
2014-02-184022289-01ND
2014-02-184022291-01ND
2014-03-254033199-01ND
2014-04-214043529-02ND
2014-04-214043529-04ND
2014-04-214043529-05ND
2014-04-224043529-03ND
2014-04-224043529-06ND
2014-04-234043529-01RE1ND
2014-04-294044304-01ND
2014-10-284104356-01ND
2014-12-314123868-01ND
2015-02-065021724-01ND
2015-05-065050848-01RE1ND
2016-01-066010756-01ND
2016-04-136042243-01ND
2016-12-146122211-01ND
2017-01-067011622-01RE1ND
2017-01-137012600-01ND
2017-01-137012603-01ND
2017-01-207013468-01ND
2017-03-017030228-01ND
2017-03-087031384-01ND
2017-06-027061425-03ND
2017-06-027061425-01ND
2017-06-097062750-02ND
2017-06-097062750-05ND
2017-06-097062750-03ND
2017-06-097062750-01ND
2017-06-287065205-03ND
2017-06-287065205-01ND
2017-08-047082231-01ND
2017-12-067121184-03ND