A retention basin, sometimes called a retention pond, wet detention basin, or storm water management pond (SWMP), is an artificial pond with vegetation around the perimeter and a permanent pool of water in its design. It is used to manage stormwater runoff, for protection against flooding, for erosion control, and to serve as an artificial...
.JPG/500px-Bassin_de_compensation_de_Longefan_depuis_Jarrier_(novembre_2024).jpg)