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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Hawthorne Water Department

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

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND20ND
2017N/A00N/A
2018ND20ND
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
2015-05-139590-004-1005ND
2015-08-129590-004-0950ND
2016-03-305810-004-1045ND
2016-04-065810-004-0840ND
2018-05-169590-004-1120ND
2018-09-129590-004-1040ND