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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Espanola Water System

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND20ND
2016N/A00N/A
2017ND40ND
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
2014-09-102014028981ND
2014-09-102014028979ND
2014-09-102014028980ND
2015-06-172015017786ND
2015-08-122015023348ND
2017-05-092017014277ND
2017-05-092017014276ND
2017-07-252017021841ND
2017-07-252017021842ND