Source | PR | 2012 | 2013 | 2014 | 2015 | Source | PR | 2012 | 2013 | 2014 | 2015 |
BPH | Metolachlor | ND | ND | 1.72 | 0.16 | BRH | Atrazine | 2.36 | ND | ND | 6.2 |
CLC | Atrazine | 0.4 | 2.26 | 4.62 | 6.48 |
| Clom | 3.96 | 2.48 | 1.96 | 2.4 |
| Dese | ND | ND | ND | 0.74 |
| Dese | 5.7 | ND | ND | 0.62 |
| Bifethrin | ND | ND | ND | 0.02 |
| Metri | ND | 1.96 | 0.2 | 0.34 |
CDG | Metolachlor | 0.84 | ND | ND | 0.84 |
| Meto | 3.26 | 40 | 4.56 | 17.2 |
BBH | Atrazine | 0.2 | 0.66 | ND | 1.78 |
| Propa | ND | ND | ND | 0.08 |
| Metolachlor | 0.2 | ND | ND | 1.16 |
| Metal | ND | ND | ND | 0.08 |
LBT | Dese | ND | ND | ND | 0.22 |
| Dimet | ND | ND | 0.2 | 0.16 |
BCH | Atrazine | ND | 6.24 | 1.38 | 6.24 | TRH2 | Atrazine | 1.28 | ND | ND | 0.38 |
BPI | Atrazine | 1.16 | 0.7 | 2.32 | 0.72 |
| Dese | ND | ND | ND | 0.26 |
| Metalaxyl | ND | ND | ND | 0.12 |
| Azoxy | ND | ND | ND | 0.06 |
| Azoxy | ND | ND | ND | 0.06 |
| BDC | None | ND | ND | ND |