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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Brigham City Water System

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

 

24

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
2013ND60ND
2014ND20ND
2015N/A00N/A
2016ND150ND
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 Result
2013-05-29ND
2013-05-29ND
2013-05-29ND
2013-06-26ND
2013-07-17ND
2013-10-16ND
2014-01-23ND
2014-07-10ND
2016-05-04ND
2016-05-04ND
2016-05-18ND
2016-05-18ND
2016-06-09ND
2016-06-09ND
2016-06-09ND
2016-07-20ND
2016-07-20ND
2016-08-17ND
2016-08-17ND
2016-08-17ND
2016-08-17ND
2016-08-17ND
2016-10-05ND
2017-02-23ND