Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alachlor (Lasso)

Utilities Inc. - North Park Water Supply

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

MORE ABOUT THIS CONTAMINANT

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND100ND
2017ND20ND
2018N/A00N/A
2019ND120ND

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
2014-02-19AD89214ND
2014-02-19AD89214ND
2016-05-1735245513005ND
2016-05-1735245513003ND
2016-05-1735245513001ND
2016-05-1735245513005ND
2016-05-1735245513003ND
2016-05-1735245513001ND
2016-12-1335283868053ND
2016-12-1335283868052ND
2016-12-1335283868052ND
2016-12-1335283868053ND
2017-01-2335291489005ND
2017-01-2335291489005ND
2019-02-2635451101001ND
2019-02-2635451101005ND
2019-02-2635451101004ND
2019-02-2635451101003ND
2019-02-2635451101002ND
2019-02-2635451101001ND
2019-02-2635451101005ND
2019-02-2635451101004ND
2019-02-2635451101003ND
2019-02-2635451101002ND
2019-10-1535505694001ND
2019-10-1535505694001ND