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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Anaheim

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

MORE ABOUT THIS CONTAMINANT

 

75

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
2015ND90ND
2016ND270ND
2017ND90ND
2018ND40ND
2019ND220ND

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
2014-04-034417-063-0840ND
2014-06-184417-088-0940ND
2014-07-024417-088-1110ND
2014-07-024417-063-0820ND
2015-03-034417-086-0850ND
2015-03-094417-090-0850ND
2015-04-134417-058-0745ND
2015-04-134417-086-0840ND
2015-04-274417-090-0905ND
2015-07-074417-058-0845ND
2015-07-144417-096-1120ND
2015-10-054417-096-1240ND
2015-10-054417-096-1230ND
2016-01-044417-033-0945ND
2016-01-044417-050-1050ND
2016-01-044417-037-1200ND
2016-01-044417-036-1150ND
2016-01-044417-034-1010ND
2016-01-114417-096-1010ND
2016-03-224417-051-1000ND
2016-04-054417-096-1120ND
2016-04-114417-062-0945ND
2016-04-114417-033-0855ND
2016-04-114417-034-1010ND
2016-04-114417-050-1200ND
2016-04-114417-035-1135ND
2016-04-114417-037-1105ND
2016-04-114417-049-1230ND
2016-04-114417-036-1120ND
2016-04-184417-051-0935ND
2016-04-184417-053-1000ND
2016-04-184417-087-1035ND
2016-04-184417-096-1240ND
2016-07-074417-049-0950ND
2016-07-114417-088-1010ND
2016-07-114417-087-1045ND
2016-07-114417-062-1145ND
2016-07-114417-036-0940ND
2016-07-114417-053-1100ND
2016-07-114417-035-0920ND
2017-04-044417-063-1150ND
2017-04-054417-088-1145ND
2017-07-104417-053-1120ND
2017-07-104417-088-0940ND
2017-07-104417-090-1145ND
2017-07-104417-063-1200ND
2017-07-104417-096-1015ND
2017-10-174417-090-1200ND
2017-10-234417-096-0935ND
2018-01-114417-086-0820ND
2018-04-034417-086-1200ND
2018-04-034417-058-0910ND
2018-07-234417-058-1030ND
2019-01-084417-033-0950ND
2019-01-084417-051-1025ND
2019-01-104417-037-0930ND
2019-01-104417-035-0910ND
2019-03-194417-110-0910ND
2019-03-284417-050-1445ND
2019-04-094417-049-1130ND
2019-04-094417-087-1230ND
2019-04-094417-033-1025ND
2019-04-104417-062-1150ND
2019-04-104417-035-1015ND
2019-04-104417-053-1230ND
2019-04-104417-051-1120ND
2019-04-104417-037-1040ND
2019-04-104417-050-0900ND
2019-04-174417-110-1210ND
2019-08-064417-049-1030ND
2019-08-064417-110-1215ND
2019-08-074417-062-1050ND
2019-08-074417-053-0925ND
2019-08-074417-087-0955ND
2019-10-084417-110-1320ND