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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Hermiston

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND80ND
2016N/A00N/A
2017ND80ND
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
2015-08-10150813003010-SND
2015-08-10150813003011-SND
2015-08-10150813003012-SND
2015-08-10150813003009-SND
2015-10-15151016016003-SND
2015-10-15151016016004-SND
2015-10-15151016016005-SND
2015-10-15151016016006-SND
2017-04-10170410C2-SND
2017-04-10170410C3-SND
2017-04-10170410C4-SND
2017-04-10170410C1-SND
2017-07-13170713F1-SND
2017-07-13170713F2-SND
2017-07-13170713F3-SND
2017-07-13170713F4-SND