Alachlor (Lasso)
Wallingford Water Department
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
9
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2016-07-28 | 11609SOC2 | ND |
| 2016-07-28 | 11610SOC2 | ND |
| 2016-10-26 | 16308SOC2 | ND |
| 2016-10-26 | 16309SOC2 | ND |
| 2019-08-05 | CD73202-P2 | ND |
| 2019-08-12 | CD83465-P2 | ND |
| 2019-09-16 | CE10614-P2 | ND |
| 2019-10-10 | CE30938-P2 | ND |
| 2019-11-04 | CE53371-P2 | ND |