Why do neighborhoods have 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.
Who is responsible for maintaining detention ponds?
As the property owner, you are responsible for all maintenance of your pond. An unmaintained pond may: Increase stormwater runnoff downstream as a significant source of pollution to our local streams and bodies of water. Cease to reduce peak runoff rates causing flooding downstream of the pond.
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.
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.
What is the difference between retention and detention ponds?
How often should a retention pond be cleaned?
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.
How much work is it to maintain a pond?
Yearly maintenance of ponds costs an average of $2,000 for four regular servicing visits during each of the seasons. People pay $450 on the low end and over $5,000 on the high, but the price is heavily subjective and based on the size and complexity of the pond’s environment.
What is the meaning of stagnant water?
1 a (1) : not flowing in a current or stream stagnant water (2) : without inflow and outflow a stagnant pool b : stale long disuse had made the air stagnant and foul — Bram Stoker 2 : not advancing or developing a stagnant economy
How does stagnant water affect commercial properties?
It usually impacts multiple properties. The residual stagnant water quickly becomes a dangerous source of bacteria, parasites and chemicals. It’s important to note that commercial buildings deal with unique sources of stagnant water.
What is a retention pond and how does it work?
What is a Retention Pond? While it may look like a regular water feature, a retention pond serves a much greater purpose. Growing communities are at increased risk of flooding and erosion damage from excess stormwater runoff. Retention ponds are permanent structures designed to hold water flow for a short period of time, similar to a dam.
How is the water level of a detention pond controlled?
The water level is controlled by a low flow orifice. In most cases, the orifice is part of a metal or concrete structure called a riser. A detention, or dry, pond has an orifice level at the bottom of the basin and does not have a permanent pool of water.
