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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Bourne Water District

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND80ND
2016ND70ND
2017ND130ND
2018ND20ND
2019N/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 Result
2014-08-13ND
2014-10-17ND
2015-01-12ND
2015-11-17ND
2015-11-17ND
2015-11-17ND
2015-11-17ND
2015-11-17ND
2015-11-17ND
2015-12-21ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-12-30ND
2017-01-20ND
2017-01-20ND
2017-01-20ND
2017-01-20ND
2017-01-20ND
2017-01-20ND
2017-07-26ND
2017-07-26ND
2017-07-26ND
2017-07-26ND
2017-07-26ND
2017-07-26ND
2017-08-09ND
2018-01-10ND
2018-07-12ND