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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Lackland Air Force Base

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

 

9

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
2014N/A00N/A
2015ND40ND
2016ND10ND
2017N/A00N/A
2018ND30ND
2019ND10ND

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
2015-02-27AC82423ND
2015-02-27AC82424ND
2015-02-27AC82426ND
2015-02-27AC82425ND
2016-12-12AD61784ND
2018-04-11AE22135ND
2018-04-11AE22127ND
2018-04-11AE22126ND
2019-01-25AE51799ND