Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alachlor (Lasso)

Central Texas Water Supply Corporation

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-01-27AC40195ND
2014-05-02AC52723ND
2014-07-23AC60737ND
2014-12-12AC74738ND
2015-03-10AC83566ND
2015-06-01AC93948ND
2016-03-14AD28656ND
2016-03-14AD28657ND
2017-03-20AD75836ND
2017-03-20AD75837ND
2018-01-17AE09134ND
2018-01-17AE09133ND
2019-03-27AE60327ND
2019-03-27AE60329ND