The function of a diversion earthen dike is primarily to manage what type of water?

The function of a diversion earthen dike is primarily to manage stormwater. Stormwater refers to the runoff that occurs when precipitation falls on surfaces such as roads, parking lots, and roofs, resulting in increased flow rates and volumes that can lead to erosion and flooding. Diversion dikes are specifically designed to redirect this stormwater away from vulnerable areas, such as construction sites or sensitive environmental zones, helping to reduce the risk of erosion and sedimentation in those locations.

These dikes create a barrier that channels stormwater to designated areas, allowing for controlled management and treatment of the water before it enters larger bodies of water or the drainage system. This proactive measure helps mitigate flooding and promotes the responsible handling of runoff. While surface runoff and agricultural runoff can be part of the broader category of stormwater, the primary concern with diversion earthen dikes is managing the immediate impacts of storm events.