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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Aquarion Water Company of Connecticut - Mystic

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND40ND
2017N/A00N/A
2018N/A00N/A
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
2016-05-02201605544-SOCND
2016-05-02201605551-SOCND
2016-08-01201609921-SOCND
2016-08-15201610811-SOCND
2019-09-16201914727-SOCND
2019-09-16201914728-SOCND
2019-10-14201916705-SOCND
2019-10-14201916706-SOCND