Alachlor (Lasso)
Town of Hampstead
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
17
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 |
|---|---|---|---|---|
| 2018 | ND | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-10-02 | E19001152003 | ND |
| 2018-10-02 | E19001152005 | ND |
| 2018-10-02 | E19001152007 | ND |
| 2018-10-02 | E19001152009 | ND |
| 2018-10-02 | E19001152011 | ND |
| 2018-10-02 | E19001152001 | ND |
| 2020-07-29 | E21000293001 | ND |
| 2021-01-31 | E21001849001 | ND |
| 2021-04-08 | E22000815006 | ND |
| 2021-06-03 | E21003569001 | ND |
| 2021-06-03 | E21003570001 | ND |
| 2021-09-08 | E22000815001 | ND |
| 2021-09-08 | E22000815011 | ND |
| 2021-09-08 | E22000815016 | ND |
| 2021-09-08 | E22000815021 | ND |
| 2022-05-25 | E2201063601 | ND |
| 2022-08-03 | E2300023805 | ND |