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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Cottage Grove

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

 

24

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
2015ND10ND
2016ND60ND
2017ND50ND
2018ND70ND
2019ND30ND

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
2014-07-3014G2400-01ND
2014-10-2314J1330-01ND
2015-11-0415K0288-01ND
2016-03-1016C0528-01ND
2016-03-1016C0530-01ND
2016-03-1016C0531-01ND
2016-03-1016C0532-01ND
2016-05-113447220ND
2016-05-113447239ND
2017-08-0217H0166-02ND
2017-08-0217H0166-01ND
2017-10-1817J0968-02ND
2017-11-2117K0889-01ND
2017-11-2117K0889-02ND
2018-03-1418C0523-01ND
2018-03-1418C0523-02ND
2018-05-2218E1853-01ND
2018-08-2318H2015-01ND
2018-08-2318H2016-01ND
2018-12-0518L0187-01ND
2018-12-0518L0188-01ND
2019-02-1419B0671-02ND
2019-02-1419B0673-01ND
2019-05-2819E2055-01ND