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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Henderson-Kerr Lake Reg Water

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

 

10

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
2014ND20ND
2015ND30ND
2016N/A00N/A
2017ND30ND
2018N/A00N/A
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
2014-01-0792185590001ND
2014-04-15C405034-01ND
2015-01-07ND
2015-04-07ND
2015-07-08ND
2017-04-2592338289001SOCND
2017-06-2092344935001SOCND
2017-07-1892348121001SOCND
2019-05-0792428098001_1271ND
2019-06-1837729_19-25774 ND