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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Ilion

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND60ND
2016ND30ND
2017ND30ND
2018ND10ND
2019ND30ND

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
2014-01-131400485-SOCND
2014-04-141404907-SOCND
2014-07-1514071329-SOCND
2014-10-141416804-SOC/PARTND
2015-01-121500412-001-SOCND
2015-04-131504726-PHTHALATND
2015-05-111506282-001-SOCND
2015-05-111506281-01-SOCND
2015-07-131510251-PHTHALATND
2015-10-131516218-001-SOCND
2016-01-111600454-001-SOCND
2016-01-111600465-001-SOCND
2016-01-111600468-001-SOCND
2017-08-211713601-001-SOCND
2017-08-211713600-001-SOCND
2017-08-211713558-001-SOCND
2018-09-281816939-001-SOCND
2019-07-291912144-004-SOCND
2019-07-291912144-001-SOCND
2019-07-291912144-005-SOCND