how deep are retention ponds

How Deep Are Retention Ponds?

The optimal depth ranges between three and nine feet for most regions.” Howard likes to make his at least six to eight feet deep. However, he says that a lot of times, they end up being no more than four feet in depth. This is usually due to costs.

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.

Can you swim in retention ponds?

Often surrounded by plants and birds, the picturesque setting of a retention pond is inviting. Many are attracted to the still waters, using it for recreational activities, like swimming, boating, and fishing.

How deep are retention ponds in Florida?

8-10 feet deep
A retention pond is set to hold a certain amount of water indefinitely, which is why this pond is also called a “wet pond.” A typical retention pond is only 8-10 feet deep, and with water already in it, a storm surges the size of Irma would definitely fill up any remaining space and then some.

How do you know if a pond is a retention pond?

In a retention pond, it has an orifice, or riser, level with the bottom of the basin, which allows all of the water to eventually drain out after a storm. A retention basin has a riser at a higher point, so it retains a permanent pool of water.

How far should a retention pond be from a house?

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 a retention pond increase property value?

Any stormwater runoff would normally soak into the ground in a natural environment. … These ponds are a solution to significant stormwater runoff issues, such as flooding and pollution. Another significant benefit is an increase in property values. Retention ponds can increase a rural home’s property by up to 15%.

Are there alligators in retention ponds?

According to Hap Fatzinger, curator at the N.C. Aquarium at Fort Fisher, our area is well within the range of alligators’ normal native habitat. They are often found in retention ponds and golf course ponds. … “It’s not that uncommon at all to have an alligator in any water source around here,” Fatzinger said.

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Can a retention pond overflow?

With an increase in rain, flooding can be a fear. Retention ponds are often called storm water management ponds.

Can fish live in retention ponds?

A: It is legal to fish storm water retention ponds, so long as the angler has a valid fishing license, said Lisa Coleman of the city’s engineering department. As for consuming fish from a retention pond, Coleman said she wouldn’t recommend it.

How do fish get in retention ponds?

A pond that forms near other ponds may receive new fish from passing birds of prey dropping their catch. Similarly, fish roe that remains damp enough during a trip between ponds may wash off of the fur and feet of local animals as they move from pond to pond.

Do retention ponds attract mosquitoes?

Because 95 percent of mosquitos lay their eggs and hatch in the perimeter of your retention pond. … 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.

Why so many man made ponds in Florida?

Retention ponds can capture diverted stormwater runoff from these surfaces. … The ponds provide two primary purposes: To retain the runoff before releasing it into streams.

What’s the point of a retention pond?

Summary: Retention ponds are ponds or pools designed with additional storage capacity to attenuate surface runoff during rainfall events. They consist of a permanent pond area with landscaped banks and surroundings to provide additional storage capacity during rainfall events.

What is the difference between detention pond and retention 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.

how deep are retention ponds
how deep are retention ponds

Why do neighborhoods have retention ponds?

Retention ponds capture the diverted stormwater runoff from streets and gutters. These ponds provide two primary services. First, they retain the runoff before releasing it into streams. They release the water at flow rates and frequencies similar to those that existed under natural conditions.

What is the minimum depth for a fish pond?

As a general rule of thumb, a pond should be 60cm (2ft) deep if you want plants and fish in it. Water that’s too shallow is vulnerable to evaporating in warm weather and freezing in winter.

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How do you keep a retention pond clean?

By far, the best way to help ensure your stormwater retention ponds stay clean and clear is to have them dredged once or twice a year. Mechanical dredging will remove the bottom layer of organic muck that’s responsible for the nuisance algae outbreaks.

How do you dig in a retention pond?

Do retention ponds smell?

Unmaintained retention ponds can become a source of unpleasant smells as well as mosquito breeding grounds, toxins in the groundwater and cause other aesthetic issues. If your retention pond is giving off an unpleasant smell, call the experts at PowerVac today.

Is a retention pond considered a wetland?

Retention Ponds. Retention ponds are a type of green/blue infrastructure that feature a permanently wet area of water (i.e. ponds), designed to store water and provide attenuation and treatment, supporting aquatic and emergent vegetation. … Retention ponds work similar to wetlands but can store more water.

How do I keep alligators out of my pond?

How to Get Rid of Alligators in Your Pond and Backyard?
  1. 1- Remove Leftovers.
  2. 2- Install a Strong Fence.
  3. 3- Put Up a Pool Enclosure.
  4. 4- Try Natural Repellents.
  5. 5- Try Alligator Bait Traps.

How do you protect yourself from alligators?

Alligator Safety
  1. Leave alligators alone. Alligators are shy animals that usually avoid human contact.
  2. Pay attention. …
  3. Do not feed alligators. …
  4. Throw fish scraps into trash cans. …
  5. Follow directions on signs. …
  6. Swim during daylight hours only. …
  7. Stay with children. …
  8. Keep an eye on your pets.

Are there alligators in small ponds in Florida?

A backyard pond, swimming pool, or swamp is all the same to them. Alligators around the Jacksonville area have been known to make an appearance in various backyards and private ponds. They have even been found at beaches on occasion.

How much does it cost to maintain a retention pond?

Annual Pond Maintenance & Cleaning Costs
Average Cost $2,000
High Cost $5,000
Low Cost $450

What animals live in retention ponds?

Amphibians, like toads, frogs, newts, and turtles are a great boon to retention ponds. They eat all sorts of insects that might be a nuisance and generally have very little effect on the surrounding properties.

Can you eat bass from retention pond?

It’s illegal to fish from retention ponds, but state environmental officials say people would not want to eat fish with those metal levels anyway.

Can koi live in a retention pond?

I’m also a firm believer in the fact that retention ponds don’t have to look like a big, swampy hole in the ground. In fact, they can be both functional and beautiful. … They thrive on pristine water quality, lush plant growth, and are home to ornamental pond fish such as koi and goldfish.

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Can fish just appear in ponds?

Fish and other aquatic creatures may already be living in a fresh pond (or one that refills after being dry for a while), but you may not see them until some time after their formation. … Certain species, such as the very odd African killifish, dig deep into the mud of a pond and lay their eggs there.

Is it safe to eat fish from pond?

It makes one wonder, are pond fish safe to eat? The answer is yes and no. Like rivers and lakes, ponds provide an excellent source of food in the fishing world. In fact, well maintained fish ponds all over the world are where a lot of fish being sold on the market today come from.

Do birds poop out fish eggs?

Turns out, six ducks pooped out 18 intact fish eggs, and 12 of those recovered eggs housed live embryos. … Three baby fish may seem like a small number, Vincze says, but “if you think about how many water birds there are and how many eggs one fish can produce, it’s a lot of eggs that they can move.

Can you swim in a runoff pond?

NEVER let children wade or swim in a retention/detention pond. Ice on neighborhood ponds is unpredictable. Don’t allow children to play there, and set the example as adults. Know where the bodies of water in your area are.

How big should a retention pond be?

For these reasons, the U.S. Environmental Protection Agency says that “permanent pool depth should not exceed 20 feet. The optimal depth ranges between three and nine feet for most regions.” Howard likes to make his at least six to eight feet deep.

How RETENTION PONDS Manage Storm Water Runoff

Stormwater Retention Pond Earthworks

Why Retention Ponds Don’t Always Work Like They Should | UNC-TV

Cleaning Out a Retention Pond Day 1

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