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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Glendale

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

MORE ABOUT THIS CONTAMINANT

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND230ND
2015ND10ND
2016N/A00N/A
2017ND220ND
2018N/A00N/A
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
2014-01-02201401020046SND
2014-01-06201401060078SND
2014-01-06201401060076SND
2014-01-16201401170198SND
2014-01-16201401160469SND
2014-05-15201405160163SND
2014-05-15201405160160SND
2014-05-21201405210820SND
2014-05-21201405210819SND
2014-05-21201405210817SND
2014-05-27201405270261SND
2014-07-10201407100564SND
2014-07-10201407100560SND
2014-07-10201407100548SND
2014-07-14201407140228SND
2014-07-14201407140178SND
2014-07-18201407180322SND
2014-10-06201410060097SND
2014-10-07201410080469SND
2014-10-14201410140463SND
2014-10-15201410150264SND
2014-10-15201410150266SND
2014-10-15201410150265SND
2015-02-19201502190748SND
2017-04-03201704030394SND
2017-04-03201704030393SND
2017-04-03201704030392SND
2017-04-19201704190434SND
2017-04-19201704190433SND
2017-04-19201704190432SND
2017-04-19201704190431SND
2017-04-26201704260364SND
2017-04-26201704260363SND
2017-04-27201704270335SND
2017-05-16201705160653SND
2017-10-09201710090385SND
2017-10-09201710090384SND
2017-10-09201710090383SND
2017-10-09201710090377SND
2017-10-10201710100351SND
2017-10-10201710100350SND
2017-10-10201710100346SND
2017-10-11201710110822SND
2017-10-11201710110821SND
2017-10-11201710110812SND
2017-10-12201710120469SND