Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alachlor (Lasso)

Canyon Municipal Water System

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND10ND
2016ND10ND
2017ND30ND
2018ND10ND
2019ND10ND

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
2014-02-25Q1406007001ND
2014-08-20Q1437974002ND
2014-08-20Q1437974003ND
2015-12-02Q1547887001ND
2016-11-14Q1649341003ND
2017-02-09Q1705995008ND
2017-02-09Q1705995016ND
2017-05-04Q1718620001ND
2018-02-15Q1806639008ND
2019-05-16Q1926296005ND