. . . " (5) agricultural activities (e.g., irrigation, livestock farming, pesticide application); (6) National Pollutant Discharge Elimination System (NPDES) activities and activities generating non-point source pollution; (7) sidecasting activities (e.g., the piling of excavated dirt on the edge of a ditch or elsewhere in a wetland or other water body because of road maintenance); (8) oil and chemical s" .