Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alachlor (Lasso)

City of Monroe

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

 

12

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
2014ND20ND
2015ND10ND
2016N/A00N/A
2017ND10ND
2018ND40ND
2019ND40ND

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
2014-06-168266-061614-CAMSND
2014-09-118266-091114-CAMSND
2015-07-23ND
2017-09-188266-091817-CAMSND
2018-02-208266-022018-CAMSND
2018-05-158266-051518-CAMSND
2018-08-098266-080918-CAMSND
2018-11-148266-111418-CAMSND
2019-02-068266-020619-CAMSND
2019-05-078266-050719-CAMSND
2019-08-068266-080619-CAMSND
2019-10-018266-100119-CAMSND