What is the difference between a retention pond and a detention pond?

The Difference Between Detention and Retention Ponds A detention, or dry, pond has an orifice level at the bottom of the basin and does not have a permanent pool of water. A retention basin or pond has a riser and orifice at a higher point and therefore retains a permanent pool of water.

What are the benefits of Retention ponds?

Retention ponds manage stormwater quantity and quality, lessening the transfer of pollutants and chemicals into nearby water bodies. Aesthetic appeal. A retention pond may enhance aesthetics via plant selection, plant placement, topography and pedestrian access options.

Can you build over a retention pond?

The costly and hazardous separate detention pond has been eliminated. Yes, you’ve saved money on construction and of course, you’ve saved a significant chunk of land. Yes, you can now build a larger building or add parking spaces (revenue generating impervious cover).

Why can’t you swim in a retention pond?

Steep sides: Retention ponds are built with side slopes that can make it difficult for a person to climb back out. These currents can be strong enough to hold a person pinned against the grating, preventing people who would otherwise be able to swim to safety, from doing so.

Is it bad to live next to a retention pond?

While there are some advantages to living near a retention pond—peace and quiet, green space, fewer neighbors nearby, and a decreased risk of flooding—potential buyers have other factors to consider. For example, there is a constant danger of drowning for families with young children.

Who is responsible for retention ponds?

Cities are responsible for any retention ponds within the public right of way or land owned by the town. Runoff that occurs on private property is the responsibility of the property owner, property management company, or community Homeowners Association (HOA).

How deep is the average retention pond?

According to the Environmental Protection Agency, retention pond water depth generally ranges between 3 and 9 feet. Depth should not be more than 20 feet.

Can fish live in retention ponds?

They thrive on pristine water quality, lush plant growth, and are home to ornamental pond fish such as koi and goldfish. Retention ponds are found throughout America. They require high water quality and aeration to ensure a healthy harvest.

How far away should a pond be from a house?

Setting a pond closer than the recommended or regulated limits is likely to result in damage when the water overtops the banks. Even if you’re not working with any specific guidelines from your zoning department or permit office, consider leaving a barrier of at least 50 to 100 feet between your home and a small pond.

Does pond increase property value?

Ponds provide recreational opportunities, increase property values. Many people enjoy living near a body of water. Lutz noted that studies have found that in rural areas, a well-managed pond can increase property values five to 15 percent.

Is it bad to have a retention pond on your property?

Forget swimming pools—while necessary in many communities, retention ponds can easily be considered an HOA’s greatest liability and expense. Not only do they pose a constant drowning hazard for residents, but they also require continuous maintenance and planning.

How do you maintain a retention pond?

Keep Ponds and Basins Clean