What does retention pond means?
Retention ponds or “wet ponds” are ponds constructed to treat and store stormwater runoff. Retention ponds are permanent pools of standing water and eventually empty into a receiving water body.
What is the difference between a pond and a retention pond?
A detention, or dry, pond has an orifice level at the bottom of the basin and does not have a permanent pool of water. All the water runs out between storms and it usually remains dry. A retention basin or pond has a riser and orifice at a higher point and therefore retains a permanent pool of water.
What are two pros of retention ponds?
Benefits of Retention Ponds
- Added property value.
- Pleasing to look at.
- Can sometimes be used for recreational purposes.
- Improve water quality.
How do retention ponds reduce flooding?
Ponds can be designed to control runoff from all storms by storing surface drainage and releasing it slowly once the risk of flooding has passed. Runoff from each rain event is detained and treated in the pond.
Does retention pond hold water?
Wet ponds are also called retention ponds and they hold back water similar to water behind a dam. The retention pond has a permanent pool of water that fluctuates in response to precipitation and runoff from the contributing areas.
What are the differences between stormwater detention and retention pond?
Detention ponds empty after a storm, whereas retention ponds retain water much longer above a permanent pool of water. Retention ponds are beneficial for providing storm water abatement and the removal of pollutants from storm water.
Do retention ponds attract mosquitoes?
Because 95 percent of mosquitos lay their eggs and hatch in the perimeter of your retention pond. The number one habitat for mosquitoes is cattails. Not only are cattails a noxious aquatic weed that has millions of seeds, but they also have shallow root structures that make it ideal as a factory for mosquitoes.
Do retention ponds cause sinkholes?
The additional runoff from the storm was enough to cause the clay soils lining the pond to crack and fail at multiple points. This kind of instability also likely led to the sinkholes that formed around the retention pond near Fore Ranch over the past week.
How deep are retention ponds in Florida?
8 to 15 feet
Ponds should be constructed with mostly steep slopes (20- to 30-degree grade) to a depth of 8 to 15 feet. Steep shorelines will naturally limit the growth of aquatic plants. A narrow band of vegetation benefits the pond by providing fish and wildlife habitat and preventing shoreline erosion.
What does retention pond mean?
What Does Retention Pond Mean? A retention pond, also called a retention basin or a wet pond, is an artificial lake used to hold stormwater and other runoff. Unlike alternative methods for containing runoff, retention ponds are designed to hold a permanent pool of water.
How do retention ponds work?
“With these ice ponds, a person can get hypothermia quickly, and while this ice here looks solid, it was cracking when we were cutting a training hole,” Friedericks said. Many modern retention ponds are created with an irrigation system in the bottom so the water flows and doesn’t ever freeze, and people need to understand that, officials said.
When is a retention pond required?
Retention will only be considered on a case-by-case basis with the following minimum requirements: (a) Retention basins must drain within 48 hours of all storm events up to the 100-year storm event, beginning either at the start of the storm or when runoff first reaches the basin.
What is a detention pond?
Pollution Control There are many areas where there are natural lakes.