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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Blanchard 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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-04-07AD90458ND
2014-04-07AD90458ND
2014-08-26AD95808ND
2014-08-26AD95808ND
2015-03-2335181011004ND
2015-03-2335181011004ND
2015-10-1935212906004ND
2015-10-1935212906004ND
2016-05-0235242556004ND
2016-05-0235242556004ND
2016-12-0835282332005ND
2016-12-0835282332005ND
2017-04-1735307223002ND
2017-04-1735307223002ND
2017-10-0435341216001ND
2017-10-0435341216001ND
2018-01-0835367511001ND
2018-01-0835367511001ND
2018-07-2335407300001ND
2018-07-2335407300001ND
2019-02-1835449623001ND
2019-02-1835449623001ND
2019-07-2535485233001ND
2019-07-2535485233001ND