Environmental Benefits of Stormwater Basins | |
Often unnoticed, but very important to a development site's environmental integrity, stormwater basins are impoundments built to hold stormwater and prevent high volumes from flooding or eroding downstream areas. This is one of the most common conventional methods of managing stormwater. Native landscaping in and around the basin can help with nutrient reduction, water quality improvement, wildlife habitat and esthetics. Location The location of a basin is very important, as it can make the difference between an effective or an ineffective stormwater management tool. Ideally, a basin would be placed close to the source of pollution so that it can slow down and filter the stormwater. This will help reduce downstream flooding and sedimentation and provide a natural habitat for wildlife. Taking advantage of existing topography, for example in low lying areas near to riverine flooding problems, can also be an excellent place to site a basin. There are a few different kinds of basins, though the two most commonly seen are detention and retention. A detention basin (DB) is designed to store water during storm events and then release it at a controlled rate into the surrounding stream, reducing downstream flood risk. DBs typically remain dry between storm events, and are often located at the outfall point of a development. A wet detention basin or wet retention pond, on the other hand, has a permanent pool of water in it and is usually designed to treat stormwater as it drains into the pond. Wet basins can be used to reduce stream erosion, control sedimentation pollution and serve as artificial wetlands. | |
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| Target State: All States Target City : All Cities Last Update : Dec 04, 2023 12:04 AM Number of Views: 42 | Item Owner : Drainageteam Contact Email: (None) Contact Phone: (None) |
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