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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

California Water Service Company - Hermosa / Redondo Beach

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND40ND
2014N/A00N/A
2015ND20ND
2016ND20ND
2017N/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
2013-05-145810-001-1210ND
2013-05-145810-005-1243ND
2013-09-115810-001-1405ND
2013-09-115810-005-1430ND
2015-05-069590-001-1142ND
2015-08-059590-001-1210ND
2016-05-189590-005-1300ND
2016-08-109590-005-1105ND