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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

City of Denison

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

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
2012-02-011202040004ND
2012-02-011202040005ND
2013-03-061303263004ND
2013-06-12Q1302205016ND
2014-02-25Q1406059010ND
2014-02-25Q1406059009ND
2015-03-03Q1507894010ND
2015-06-15Q1522052003ND
2016-02-16Q1606768006ND
2016-02-16Q1606768005ND
2017-02-07Q1705466003ND
2017-08-08Q1733790003ND