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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Connecticut Water Company - Shoreline Region-chester System

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND40ND
2014N/A00N/A
2015N/A00N/A
2016ND30ND
2017N/A00N/A

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
2013-01-17130117CWCCSOC2ND
2013-04-11130412CWCASOC2ND
2013-06-20130621CWCSOC2ND
2013-07-16130716CWCFSOC2ND
2016-05-04BN25257SOC2ND
2016-07-12BN71472SOC2ND
2016-07-19BN75759SOC2ND