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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Anderson Water Department

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

MORE ABOUT THIS CONTAMINANT

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND70ND
2016ND30ND
2017ND40ND
2018ND60ND
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
2014-02-102014020378RS525-ND
2014-05-142014050992RS525-ND
2014-08-132014081610RS525-ND
2014-11-102014110585RS-140ND
2015-02-102015020633RS525-ND
2015-05-192015051262RS525-ND
2015-06-102015061696RS28-1ND
2015-06-172015062375RS28-1ND
2015-08-042015080880RS28-1ND
2015-08-042015080881RS28-1ND
2015-11-102015110655RS525-ND
2016-05-092016050755RS525-ND
2016-08-092016081828RS525-ND
2016-11-092016111079RS525-ND
2017-02-072017020939RS525-ND
2017-05-092017051065RS525-ND
2017-08-082017082393RS525-ND
2017-11-142017111329RS525-ND
2018-05-2918053554001RS525ND
2018-06-2918064053RS28-180ND
2018-07-1818072403RS28-180ND
2018-07-1818072406RS28-180ND
2018-08-0718081128001RS525ND
2018-11-1418111877001RS525ND
2019-03-282019031546RS525-ND
2019-05-142019051976RS525-ND
2019-08-132019082410RS525-ND
2019-11-132019111232RS-190ND