A vegetated swale functions as an open channel designed to gather stormwater and facilitate its absorption into the soil. With grass or plants lining the slopes and base, it serves as a filtration surface, aiding in the deceleration of water flow. Often, these swales incorporate an underdrain pipe to handle heavy rainfall, while some may include stone check dams to further reduce flow speed, encourage absorption, and prevent erosion. Typically located alongside roads, in proximity to parking lots, or dividing residential properties, swales play a vital role in stormwater management and environmental conservation.
