Alachlor (Lasso)
Gurdon Waterworks
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
16
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 | ND | 4 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 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 |
|---|---|---|
| 2018-01-22 | 18025000806 | ND |
| 2018-01-22 | 18025000706 | ND |
| 2018-02-27 | 18060001701 | ND |
| 2018-02-27 | 18060001801 | ND |
| 2018-04-24 | 18115005506 | ND |
| 2018-04-24 | 18115005406 | ND |
| 2019-01-23 | 19024002006 | ND |
| 2019-04-30 | 19122001706 | ND |
| 2019-08-06 | 19220001806 | ND |
| 2019-11-18 | 19324000206 | ND |
| 2021-03-03 | 21063009401 | ND |
| 2021-03-22 | 21084000901 | ND |
| 2021-04-05 | 21098004106 | ND |
| 2021-04-05 | 21098004006 | ND |
| 2022-01-11 | 22013002606 | ND |
| 2022-05-04 | O197615-OGC-1 | ND |