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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

North Las Vegas Utilities

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018ND40ND
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
2014-02-1114020154-001ND
2014-06-2514060515-001ND
2014-07-3114070542-001ND
2014-08-2014080323-001ND
2014-08-2514080385-001ND
2014-09-2414090437-001ND
2015-06-1715060305-001ND
2015-07-1515070291-002ND
2015-07-1515070291-001ND
2018-01-22S1800643001ND
2018-01-22S1800643002ND
2018-08-14S1800751001ND
2018-08-14S1800751002ND