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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Salt Lake City Water System

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

MORE ABOUT THIS CONTAMINANT

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND150ND
2015ND190ND
2016ND250ND
2017ND200ND
2018N/A00N/A
2019ND210ND

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
2014-01-10ND
2014-01-31ND
2014-01-31ND
2014-05-23ND
2014-05-30ND
2014-05-30ND
2014-06-03ND
2014-06-06ND
2014-06-11ND
2014-06-25ND
2014-06-25ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-07-11ND
2015-01-23ND
2015-01-30ND
2015-01-30ND
2015-02-27ND
2015-05-01ND
2015-05-08ND
2015-05-15ND
2015-06-19ND
2015-06-19ND
2015-06-19ND
2015-06-19ND
2015-06-30ND
2015-06-30ND
2015-06-30ND
2015-06-30ND
2015-06-30ND
2015-07-10ND
2015-07-10ND
2015-07-10ND
2016-01-08ND
2016-01-08ND
2016-01-15ND
2016-02-12ND
2016-02-26ND
2016-03-25ND
2016-05-19ND
2016-05-19ND
2016-06-03ND
2016-06-03ND
2016-06-10ND
2016-06-10ND
2016-06-10ND
2016-06-24ND
2016-06-24ND
2016-06-24ND
2016-06-28ND
2016-06-28ND
2016-07-01ND
2016-07-08ND
2016-07-08ND
2016-07-13ND
2016-07-29ND
2016-07-29ND
2016-07-29ND
2017-01-13ND
2017-01-16ND
2017-03-06ND
2017-03-24ND
2017-06-09ND
2017-06-12ND
2017-06-16ND
2017-06-19ND
2017-06-19ND
2017-06-21ND
2017-06-23ND
2017-06-30ND
2017-06-30ND
2017-07-14ND
2017-07-14ND
2017-07-21ND
2017-07-25ND
2017-08-08ND
2017-08-22ND
2017-08-23ND
2019-01-11ND
2019-01-11ND
2019-02-01ND
2019-04-26ND
2019-05-03ND
2019-05-31ND
2019-06-19ND
2019-06-19ND
2019-06-21ND
2019-06-25ND
2019-06-26ND
2019-06-27ND
2019-07-03ND
2019-07-03ND
2019-07-23ND
2019-07-23ND
2019-07-23ND
2019-07-23ND
2019-08-07ND
2019-08-16ND
2019-08-16ND