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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

North Kona

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

MORE ABOUT THIS CONTAMINANT

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND180ND
2015ND20ND
2016N/A00N/A
2017ND120ND
2018ND80ND
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
2014-03-18C14-03-0131AND
2014-03-18C14-03-0132ND
2014-03-18C14-03-0133ND
2014-03-18C14-03-0134ND
2014-03-18C14-03-0135ND
2014-03-18C14-03-0136ND
2014-03-18C14-03-0137ND
2014-03-18C14-03-0138AND
2014-03-18C14-03-0130ND
2014-04-15C14-04-0208ND
2014-04-15C14-04-0212ND
2014-04-15C14-04-0211ND
2014-04-15C14-04-0207ND
2014-04-15C14-04-0206ND
2014-04-15C14-04-0205ND
2014-04-15C14-04-0204ND
2014-04-15C14-04-0203ND
2014-07-07C14-07-0098ND
2015-08-19201508150137ND
2015-11-18201508150170ND
2017-03-14ND
2017-03-14ND
2017-03-14ND
2017-03-14ND
2017-03-14ND
2017-03-14ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2018-01-17C18-01-0065ND
2018-01-17C18-01-0066AND
2018-06-18C18-06-0122ND
2018-07-08201805230559ND
2018-09-24C18-09-0284ND
2018-09-24C18-09-0285ND
2018-10-15201810170192ND
2018-12-03C18-12-0014ND
2019-09-09201909100461ND
2019-10-09C19-10-0029AND