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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Far West Water & Sewer Inc

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

MORE ABOUT THIS CONTAMINANT

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND100ND
2016ND100ND
2017N/A00N/A
2018N/A00N/A
2019ND110ND

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
2014-03-052987715ND
2014-03-052987714ND
2014-05-14550-24686-1ND
2014-08-19550-30280-1ND
2014-08-19550-30277-1ND
2014-09-08550-31193-1ND
2015-05-18550-45035-1ND
2015-05-18550-45036-1ND
2015-05-18550-45037-1ND
2015-05-25550-45319-1ND
2015-05-25550-45318-1ND
2015-11-16550-54480-1ND
2015-11-16550-54479-1ND
2015-11-30550-55075-1SND
2015-11-30550-55074-1SND
2015-12-06550-55507-1ND
2016-01-18550-57438-1ND
2016-01-18550-57423-1ND
2016-01-25550-57775-1TND
2016-01-25550-57774-1TND
2016-02-22550-59253-1TND
2016-08-08550-67724-1ND
2016-08-08550-67722-1ND
2016-08-29550-68785-1ND
2016-08-29550-68784-1SND
2016-09-05550-69042-1ND
2019-03-14550-119476-1ND
2019-04-04550-120592-5ND
2019-04-04550-120592-1ND
2019-04-04550-120592-2ND
2019-04-04550-120592-3ND
2019-04-04550-120592-4ND
2019-10-15550-131565-1ND
2019-10-15550-131565-5ND
2019-10-15550-131565-4ND
2019-10-15550-131565-3ND
2019-10-15550-131565-2ND