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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Watertown City

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

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND10ND
2015ND10ND
2016N/A00N/A
2017ND10ND

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
2012-08-081213036-001ND
2014-02-181402354-001ND
2015-07-081510177-001SOCND
2017-06-071708569-001ND