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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Grand Prairie Bayou 2 PWA

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

 

7

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
2015ND20ND
2016ND20ND
2017N/A00N/A
2018ND20ND
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
2015-05-0615127013506ND
2015-07-2115204006106ND
2016-08-1616230003506ND
2016-10-1016287007106ND
2018-05-2218144004006ND
2018-08-1418228000306ND
2019-07-1719199004206ND