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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Kent County Water Authority

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

MORE ABOUT THIS CONTAMINANT

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND130ND
2015ND20ND
2016ND20ND
2017ND110ND
2018N/A00N/A
2019N/A00N/A

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
2014-03-171401808-04_TO40ND
2014-03-171401808-03_TO40ND
2014-03-171401808-02_TO40ND
2014-03-171401808-01_TO40ND
2014-03-171401808-05_TO40ND
2014-04-211402378-02_TO40ND
2014-04-211402378-04_TO40ND
2014-08-131404415-02_TO40ND
2014-08-131404415-01_TO40ND
2014-08-131404415-03_TO40ND
2014-09-231405125-01_TO40ND
2014-10-271405505-04_TO40ND
2014-10-271405505-03_TO40ND
2015-09-141504119-03_TO40ND
2015-09-141504119-02_TO40ND
2016-07-121603230-01_TO40ND
2016-07-121603229-02_TO40ND
2017-03-201701538-01_TO40ND
2017-03-201701538-03_TO40ND
2017-03-201701538-04_TO40ND
2017-04-251701960-03_TO40ND
2017-04-251701960-04_TO40ND
2017-09-051704240-01_TO40ND
2017-09-051704240-03_TO40ND
2017-09-051704240-02_TO40ND
2017-09-291704540-01_TO40ND
2017-11-011704844-01_TO40ND
2017-11-011704844-02_TO40ND