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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Somerset Water Service

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

 

14

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
2014ND40ND
2015ND40ND
2016ND40ND
2017ND20ND
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
2014-02-1011823-01ND
2014-05-1215974-01ND
2014-09-0822561-01ND
2014-12-0926986-01ND
2015-03-1313476-01ND
2015-06-0817864-01ND
2015-09-0823270-01ND
2015-12-0828175-01ND
2016-03-1413788-01ND
2016-06-1318844-01ND
2016-09-1225331-01ND
2016-12-1230933-01ND
2017-03-1314596-01ND
2017-09-1327790-01ND