Metolachlor
Palmyra-modesto Water Commission
Metolachlor is a herbicide applied on corn, soybeans and other crops. The EPA has classified metolachlor as a possible human carcinogen.
10
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 0.655 ppb | 2 | 2 | 0.510 ppb - 0.800 ppb |
| 2022 | 1.45 ppb | 4 | 3 | ND - 3.00 ppb |
| 2023 | 1.04 ppb | 4 | 4 | 0.560 ppb - 1.70 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2021-09-28 | 21I1068-01 | 0.510 ppb |
| 2021-11-18 | 21K0681-01 | 0.800 ppb |
| 2022-03-09 | 22C0208-01 | 0.390 ppb |
| 2022-05-09 | 22E0184-01 | ND |
| 2022-08-09 | 22H0311-01 | 3.00 ppb |
| 2022-10-13 | 22J0634-01 | 2.40 ppb |
| 2023-01-12 | 23A0137-01 | 1.70 ppb |
| 2023-05-04 | 23E0204-01 | 0.680 ppb |
| 2023-08-07 | 23H0345-01 | 1.20 ppb |
| 2023-11-08 | 23K0211-01 | 0.560 ppb |