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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Epcor Water - Mohave

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

MORE ABOUT THIS CONTAMINANT

 

39

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
2015ND160ND
2016ND30ND
2017ND40ND
2018ND160ND
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
2015-03-10550-41482-1SND
2015-09-15550-51357-8TTND
2015-09-15550-51357-7SND
2015-09-15550-51357-6ND
2015-09-15550-51357-5ND
2015-09-15550-51357-4SND
2015-09-15550-51357-3SND
2015-09-15550-51357-2SND
2015-09-15550-51357-1SND
2015-11-30550-55138-8TND
2015-11-30550-55138-1ND
2015-11-30550-55138-2ND
2015-11-30550-55138-3ND
2015-11-30550-55138-4ND
2015-11-30550-55138-5ND
2015-11-30550-55138-6ND
2016-02-02550-58216-2ND
2016-03-04550-59813-1ND
2016-08-22550-68530-1SND
2017-03-13550-79132-2TND
2017-06-087060966-01ND
2017-08-107081254-01-SOCND
2017-11-157111744-01ND
2018-06-133964598ND
2018-06-133964597ND
2018-06-193974880ND
2018-06-203974877ND
2018-06-253974881ND
2018-06-253978011ND
2018-06-273976354ND
2018-08-234035561ND
2018-10-154094849ND
2018-10-154093021ND
2018-10-154092986ND
2018-10-154092981ND
2018-10-154092978ND
2018-10-164094847ND
2018-10-164094872ND
2018-10-164094848ND