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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Emerald Lake

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND30ND
2016ND30ND
2017ND30ND
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
2014-07-16133667.02ND
2014-10-15136900.01ND
2014-10-15136900.03ND
2014-10-15136900.05ND
2014-10-15136900.02ND
2015-10-19149265.01ND
2015-10-19149265.02ND
2015-10-19149265.03ND
2016-12-13163860.01ND
2016-12-13163860.02ND
2016-12-13163860.03ND
2017-02-21165820.01ND
2017-10-02174061.01ND
2017-10-02174061.02ND