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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Alco Water Service

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

MORE ABOUT THIS CONTAMINANT

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND70ND
2016ND40ND
2017ND10ND
2018ND90ND
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
2014-11-182706-022-0830ND
2014-11-182706-011-0905ND
2015-03-102706-011-1120ND
2015-03-102706-021-1215ND
2015-06-182706-021-1200ND
2015-07-012706-004-1215ND
2015-12-172706-004-1335ND
2015-12-172706-007-1145ND
2015-12-172706-001-1225ND
2016-03-302706-001-0825ND
2016-03-302706-022-0855ND
2016-03-302706-007-0840ND
2016-06-272706-022-1135ND
2017-12-055810-011-0941ND
2018-03-065810-011-1009ND
2018-03-065810-021-0946ND
2018-06-055810-021-0716ND
2018-09-105810-007-0909ND
2018-09-105810-001-0930ND
2018-09-105810-004-0830ND
2018-12-045810-007-0940ND
2018-12-045810-001-0930ND
2018-12-045810-004-0916ND
2019-03-055810-022-0925ND
2019-06-055810-022-0928ND