Alachlor (Lasso)
Poynette Mobile Estates
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
23
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 | 0.315 ppb | 4 | 4 | 0.240 ppb - 0.370 ppb |
| 2019 | 0.230 ppb | 4 | 4 | 0.190 ppb - 0.270 ppb |
| 2020 | 0.170 ppb | 3 | 3 | 0.140 ppb - 0.190 ppb |
| 2021 | 0.0930 ppb | 5 | 5 | 0.0820 ppb - 0.1000 ppb |
| 2022 | 0.0760 ppb | 4 | 4 | 0.0550 ppb - 0.0870 ppb |
| 2023 | 0.0710 ppb | 3 | 3 | 0.0540 ppb - 0.0810 ppb |
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 |
|---|---|---|
| 2018-02-27 | 1042636 | 0.370 ppb |
| 2018-06-25 | 1063687 | 0.350 ppb |
| 2018-08-22 | 1075776 | 0.300 ppb |
| 2018-11-27 | 1094409 | 0.240 ppb |
| 2019-03-12 | 1109152 | 0.270 ppb |
| 2019-06-11 | 1126989 | 0.240 ppb |
| 2019-09-03 | 1144950 | 0.190 ppb |
| 2019-12-10 | 1164850 | 0.220 ppb |
| 2020-06-22 | 1195207 | 0.190 ppb |
| 2020-08-03 | 1204537 | 0.180 ppb |
| 2020-12-15 | 1232544 | 0.140 ppb |
| 2021-03-10 | 1243356 | 0.0960 ppb |
| 2021-03-10 | 1243356 | 0.0960 ppb |
| 2021-06-14 | 1259714 | 0.0820 ppb |
| 2021-08-30 | 1274573 | 0.1000 ppb |
| 2021-12-13 | 1292914 | 0.0910 ppb |
| 2022-03-14 | 1303447 | 0.0870 ppb |
| 2022-06-06 | 1316688 | 0.0820 ppb |
| 2022-09-12 | 1336067 | 0.0800 ppb |
| 2022-11-28 | 1351069 | 0.0550 ppb |
| 2023-03-06 | CB02206-01 | 0.0780 ppb |
| 2023-06-12 | CB06413-01 | 0.0540 ppb |
| 2023-11-06 | CB13682-03 | 0.0810 ppb |