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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Pawtucket

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

MORE ABOUT THIS CONTAMINANT

 

32

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
2014ND160ND
2015N/A00N/A
2016N/A00N/A
2017ND160ND
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
2014-01-271401232-01_TO40ND
2014-04-071402198-02_TO40ND
2014-04-071402198-01_TO40ND
2014-04-071402198-06_TO40ND
2014-04-071402198-05_TO40ND
2014-04-071402198-04_TO40ND
2014-04-071402198-03_TO40ND
2014-04-071402198-07_TO40ND
2014-07-141403738-01_TO40ND
2014-10-061405270-01_TO40ND
2014-10-061405270-07_TO40ND
2014-10-061405270-06_TO40ND
2014-10-061405270-05_TO40ND
2014-10-061405270-04_TO40ND
2014-10-061405270-03_TO40ND
2014-10-061405270-02_TO40ND
2017-02-011701096-01_TO40ND
2017-04-171701862-05_TO40ND
2017-04-171701862-08_TO40ND
2017-04-171701862-04_TO40ND
2017-04-171701862-03_TO40ND
2017-04-171701862-01_TO40ND
2017-04-171701862-02_TO40ND
2017-04-171701862-06_TO40ND
2017-07-141703211-01_TO40ND
2017-10-031704572-06_TO40ND
2017-10-031704572-05_TO40ND
2017-10-031704572-04_TO40ND
2017-10-031704572-03_TO40ND
2017-10-031704572-02_TO40ND
2017-10-031704572-01_TO40ND
2017-11-011704846-01_TO40ND