Before revision: Trounce Pond, a retention basin landscaped with natural grassland plants, in Saskatoon, Saskatchewan, Canada The Corporate Park retention basin in Stafford, Texas Retention basin in Pinnau, Germany A retention basin, sometimes called a wet pond, wet detention basin or stormwater management pond (SWMP), is an artificial pond with vegetation around the perimeter, and includes a permanent pool of water in its design.Water Environment Federation, Alexandria, VA; and American Society of Civil Engineers, Reston, VA. "Urban Runoff Quality Management."
After revision: , United StatesSchleswig-Holstein,,Trounce Pond, a retention basin landscaped with natural grassland plants, in Saskatoon, Saskatchewan, Canada The Corporate Park retention basin in Stafford, Texas Retention basin in Pinnau, Germany A retention basin, sometimes called a wet pond, wet detention basin or stormwater management pond (SWMP), is an artificial pond with vegetation around the perimeter, and includes a permanent pool of water in its design.Water Environment Federation, Alexandria, VA; and American Society of Civil Engineers, Reston, VA. "Urban Runoff Quality Management."