Alachlor (Lasso)
Cerritos - City, Water Department
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
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/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 |
|---|---|---|
| 2015-02-12 | 2706-001-1200 | ND |
| 2015-02-12 | 2706-003-1250 | ND |
| 2015-05-28 | 2706-001-0855 | ND |
| 2015-05-28 | 2706-003-0910 | ND |
| 2015-06-30 | 2706-002-1400 | ND |
| 2016-05-25 | 9588-002-1340 | ND |
| 2018-02-22 | 9588-001-1110 | ND |
| 2018-02-22 | 9588-002-1210 | ND |
| 2018-02-22 | 9588-003-1130 | ND |
| 2018-05-24 | 9588-001-1130 | ND |
| 2018-05-24 | 9588-002-1215 | ND |
| 2018-05-24 | 9588-003-1150 | ND |