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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Smithville PWS

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

 

24

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
2016ND40ND
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
2014-02-17AC18936ND
2014-05-19AC23689ND
2014-08-18AC32473ND
2014-11-17AC38686ND
2015-02-09AC42502ND
2015-05-18AC47059ND
2015-08-17AC58030ND
2015-11-16AC63205ND
2016-02-16AC66878ND
2016-05-16AC72560ND
2016-08-15AC82239ND
2016-11-21AC87741ND
2017-02-06AC91328ND
2017-05-15AC96270ND
2017-08-21AD04044ND
2017-11-20AD09855ND
2018-02-12AD14808ND
2018-05-07AD20811ND
2018-08-06AD31585ND
2018-11-08AD36094ND
2019-02-28AD39896ND
2019-05-20AD47778ND
2019-08-12AD54369ND
2019-11-12AD58394ND