| N.D.A. | Nebraska Departments of Agriculture |
| D.E.A. | Deethylatrazine |
| DIA | Deisopropylatrazine |
| ERC | Estrogen related cancer |
| PRISM | Parameter–Elevation Regressions on Independent Slopes Model |
| NAWQA | National Water-Quality Assessment |
| USGS | United States Geographical Survey |
| MCL | Maximum Contaminant Level |