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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Searchlight Water Company

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
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017ND20ND
2018N/A00N/A
2019ND10ND

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
2014-03-1914030181-001ND
2014-04-2214040362-002ND
2014-04-2214040362-001ND
2014-06-0414060068-001ND
2014-09-0314090019-001ND
2014-12-1014120211-001ND
2017-03-21S1701921001ND
2017-06-20S1701933001ND
2019-03-06S1810054001ND