Alachlor (Lasso)
Harvest-Monrovia Water System
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 6 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 6 | 0 | ND |
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 |
---|---|---|
2016-06-08 | AB12276 | ND |
2016-09-07 | AB14884 | ND |
2016-09-07 | AB14883 | ND |
2016-09-07 | AB14882 | ND |
2016-12-08 | AB16887 | ND |
2016-12-08 | AB16886 | ND |
2019-03-05 | AB33089 | ND |
2019-03-05 | AB33091 | ND |
2019-03-05 | AB33088 | ND |
2019-09-03 | AB38173 | ND |
2019-09-03 | AB38175 | ND |
2019-09-03 | AB38174 | ND |