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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Exeter Water Department

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

 

13

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
2015ND30ND
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
2012-08-081208-00321-001ND
2012-11-071211-00137-001ND
2013-07-18BF08887ND
2013-10-09BF53251ND
2014-07-09133509.01ND
2014-10-09136708.02ND
2015-04-02141763.01ND
2015-07-16145750.01ND
2015-09-09147823.01ND
2016-02-10152998.01ND
2016-07-13158246.01ND
2017-07-11170940.01ND
2017-10-11174517.01ND