What is the retention catchment?

The detention is a structure that is designed to help with the inspection of floods and water managers. The retention catchment can take different forms and can be seen in many regions of the world. They are often designed during a period of new development, which increases the amount of impermeable surfaces in the area, which potentially creates a flood risk that needs to be balanced. These structures can be useful for seasonal flood management and protection against rare serious storms. They are usually designed to fill and drain by gravity, reduce the amount of maintenance required and ensure that they work without the need for electrical or mechanical systems. They consist of recessed areas that can be lined with landscaping, with several water inputs. As the water starts to rise, it enters the inputs and fills the detention basin. As soon as the water level drops again, the water in the basin is gently pulled. Filter systems are often installed to prevent residues, in such a pIt is important to regularly check grates, gravel beds or other filtering methods used to confirm that they are clear.

Retention pelvis, wet retaining pan or extended retaining pan are all terms used for detention pans that remain wet throughout the year. The water level in the retaining pan may rise and fall during the year, but some water always remains present. You may also be present by marshy plants, creating animal habitats and joining flood control, as swamp areas can help contain flood water. This type of retaining river basin can also be used for water quality Anage by capturing dirt in front of water is directed to another location.

These structures can be added to the community, as flood control is a flood is a problem of concern and can also be built whenever new development occurs. There are SPs in some regionsEcific laws on how, where and when and when the retaining pelvis should be built to maintain communities safe and reduce the risk of damage after flooding. In the areas of undergoing climate change, building such structures may be particularly critical of safety to allow the community to keep up with changing precipitation levels.