Alachlor (Lasso)
Poynette Mobile Estates
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
24
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 | 0.533 ppb | 4 | 4 | 0.470 ppb - 0.570 ppb |
| 2015 | 0.473 ppb | 4 | 4 | 0.320 ppb - 0.540 ppb |
| 2016 | 0.505 ppb | 4 | 4 | 0.460 ppb - 0.540 ppb |
| 2017 | 0.443 ppb | 4 | 4 | 0.350 ppb - 0.540 ppb |
| 2018 | 0.315 ppb | 4 | 4 | 0.240 ppb - 0.370 ppb |
| 2019 | 0.230 ppb | 4 | 4 | 0.190 ppb - 0.270 ppb |
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 |
|---|---|---|
| 2014-02-26 | 772325 | 0.470 ppb |
| 2014-06-16 | 797099 | 0.570 ppb |
| 2014-08-28 | 813842 | 0.540 ppb |
| 2014-11-19 | 832365 | 0.550 ppb |
| 2015-02-18 | 844361 | 0.540 ppb |
| 2015-06-10 | 864759 | 0.320 ppb |
| 2015-09-09 | 881892 | 0.530 ppb |
| 2015-11-10 | 893401 | 0.500 ppb |
| 2016-02-23 | 906500 | 0.460 ppb |
| 2016-06-07 | 925293 | 0.540 ppb |
| 2016-08-24 | 941263 | 0.500 ppb |
| 2016-11-30 | 962306 | 0.520 ppb |
| 2017-02-22 | 974892 | 0.540 ppb |
| 2017-05-16 | 990774 | 0.470 ppb |
| 2017-08-22 | 1013205 | 0.410 ppb |
| 2017-11-21 | 1030627 | 0.350 ppb |
| 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 |