Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Tesoro Viejo Master Mwc, Inc.

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND60ND
2021ND50ND
2022ND50ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-08-31CA2010017_002_002-201808310845ND
2018-12-06CA2010017_006_006-201812061037ND
2018-12-12CA2010017_001_001-201812121105ND
2019-03-20CA2010017_001_001-201903200815ND
2019-06-12CA2010017_006_006-201906121015ND
2019-08-21CA2010017_002_002-201908210955ND
2019-11-13CA2010017_006_006-201911131010ND
2020-02-05CA2010017_006_006-202002051000ND
2020-05-13CA2010017_006_006-202005131000ND
2020-06-03CA2010017_002_002-202006031215ND
2020-06-09CA2010017_001_001-202006090845ND
2020-09-02CA2010017_001_001-202009020840ND
2020-12-09CA2010017_001_001-202012090945ND
2021-03-16CA2010017_001_001-202103161000ND
2021-06-09CA2010017_001_001-202106090845ND
2021-06-28CA2010017_002_002-202106280955ND
2021-09-15CA2010017_001_001-202109151045ND
2021-12-15CA2010017_001_001-202112151110ND
2022-03-10CA2010017_001_001-202203100845ND
2022-06-08CA2010017_001_001-202206080930ND
2022-07-06CA2010017_002_002-202207060900ND
2022-09-13CA2010017_001_001-202209131030ND
2022-12-05CA2010017_001_001-202212051045ND
2023-02-14CA2010017_006_006-202302141040ND