Some agricultural pesticides used in the Midwest can also be carried to the wetland through surface runoff. Nitrates are lost from upland sites primarily through subsurface drainage. In the wetland, ...

A final design consideration is an emergency spillway or diversion structure. The total retention volume of these filters should be designed to treat the surface runoff of a particular design storm ...

The Lokere Catchment, in the Karamoja and Teso sub-regions, is well-drained with a dense network of seasonal rivers and streams. However, environmental degradation is leading to high ...

Rainwater runoff comes from roofs, driveways, and parking lots. These and other constructed hard surfaces are called impervious. Impervious surfaces prevent or slow rainwater infiltration, which ...