Alachlor (Lasso)
Monterey Rural Water System Inc.
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
18
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 12 | 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 |
|---|---|---|
| 2016-03-16 | 35235028005 | ND |
| 2016-03-16 | 35235028004 | ND |
| 2016-03-16 | 35235028003 | ND |
| 2016-03-16 | 35235028004 | ND |
| 2016-03-16 | 35235028005 | ND |
| 2016-03-16 | 35235028003 | ND |
| 2016-12-08 | 35282709001 | ND |
| 2016-12-08 | 35282709002 | ND |
| 2016-12-08 | 35282709003 | ND |
| 2016-12-08 | 35282709003 | ND |
| 2016-12-08 | 35282709002 | ND |
| 2016-12-08 | 35282709001 | ND |
| 2019-12-11 | 35518398001 | ND |
| 2019-12-11 | 35518398002 | ND |
| 2019-12-11 | 35518398001 | ND |
| 2019-12-11 | 35518398002 | ND |
| 2019-12-19 | 35520417001 | ND |
| 2019-12-19 | 35520417001 | ND |