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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Liberty Water Lpsco

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND10ND
2016ND120ND
2017ND10ND
2018N/A00N/A
2019ND160ND

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
2015-07-095070778-01ND
2016-02-176021638-02SND
2016-02-176021638-01SND
2016-02-186021728-01SND
2016-02-246022183-01SND
2016-02-256022343-01SND
2016-03-036030386-02SND
2016-07-126071022-02ND
2016-07-126071022-01ND
2016-07-216071963-02ND
2016-07-216071963-01ND
2016-08-246082279-01SND
2016-09-296092535-01SND
2017-10-057100650-03SOCND
2019-02-2719B2833-01ND
2019-02-2819B2960-01ND
2019-03-1119C1070-01ND
2019-03-1319C1387-01ND
2019-03-1419C1532-01ND
2019-03-1919C2020-01ND
2019-04-0319D0526-04ND
2019-04-0319D0526-03ND
2019-04-0319D0526-02ND
2019-04-0319D0526-01ND
2019-08-1319H1566-02ND
2019-08-1319H1566-01ND
2019-08-2019H2383-01ND
2019-08-2119H2527-02ND
2019-08-2119H2527-01ND
2019-08-2719H3101-01ND