Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alachlor (Lasso)

City of Wasco

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

 

17

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
2014N/A00N/A
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018ND50ND
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
2015-08-195806-003-0812ND
2015-08-195806-005-1115ND
2015-08-195806-017-0943ND
2015-08-195806-006-1033ND
2015-08-195806-009-0843ND
2015-08-195806-008-1003ND
2015-11-105806-003-0758ND
2015-11-105806-017-1146ND
2015-11-105806-009-0828ND
2015-11-105806-008-0817ND
2015-11-105806-006-1045ND
2015-11-105806-005-1032ND
2018-07-115806-008-0838ND
2018-07-115806-009-0954ND
2018-07-115806-005-0801ND
2018-07-185806-006-0736ND
2018-07-185806-017-0814ND