Metolachlor
West Delta Water Supply Corporation
Metolachlor is a herbicide applied on corn, soybeans and other crops. The EPA has classified metolachlor as a possible human carcinogen.
8
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 | 1.33 ppb | 3 | 2 | ND - 2.60 ppb |
| 2015 | 0.300 ppb | 1 | 1 | 0.300 ppb |
| 2016 | 6.80 ppb | 1 | 1 | 6.80 ppb |
| 2017 | ND | 1 | 0 | ND |
| 2018 | 0.600 ppb | 1 | 1 | 0.600 ppb |
| 2019 | 4.50 ppb | 1 | 1 | 4.50 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-19 | Q1422285001 | ND |
| 2014-09-24 | Q1447654004 | 2.60 ppb |
| 2014-12-08 | Q1458849001 | 1.40 ppb |
| 2015-10-15 | Q1540550003 | 0.300 ppb |
| 2016-06-09 | Q1623303003 | 6.80 ppb |
| 2017-08-22 | Q1737509005 | ND |
| 2018-06-21 | Q1824881009 | 0.600 ppb |
| 2019-08-26 | Q1959454001 | 4.50 ppb |