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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Yuma

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

MORE ABOUT THIS CONTAMINANT

 

24

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
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-02-18201402200828SND
2014-02-18201402200321SND
2014-08-26201408300169SND
2014-08-26201408300033SND
2015-02-03201502050685SND
2015-02-03201502050467SND
2015-08-31201509020790SND
2015-08-31201509020643SND
2016-01-26201512210216SND
2016-01-26201512210215SND
2016-08-09201608110489SND
2016-08-09201608110700SND
2017-02-14201611290352SND
2017-02-28201611290353SND
2017-08-09201708091287SND
2017-08-09201708091282SND
2018-02-12201802130623SND
2018-02-12201802130613SND
2018-08-13201808150022SND
2018-08-13201808140502SND
2019-02-19201902210430SND
2019-02-19201902210428SND
2019-08-26201908280120SND
2019-08-26201908280615SND