For example, if the sediment is within reach of an excavator for a low-cost removal effort then we may recommend dredging before the silt deposits further into the pond. RSI answers the question based on the equipment and approach needed to remove the sediment. This leads to a cost-benefit analysis of how much it costs versus the benefit from removing the sediment. It is rare that the entire pond needs dredging unless it is significantly impaired. Most projects only require a portion of the pond to be dredged, and not the entire pond. If the pond’s primary purpose is for storm water detention and its volume has been reduced below its intended capacity then dredging is the solution. If the pond is primarily used for fishing and it has impaired fish habitat, reproduction, or ability to fish then dredging may be the solution. The recommendation for dredging is often based on the function of the pond. Both situations may lead to aquatic weed growth and loss of pond depth and area. Other times silt builds up above the water surface level where it is visible. Sometimes sediment can remain just below the water surface and limit the ability to navigate or fish. Generally speaking the problem has become so evident that the sediment is substantial once you notice it. Many pond owners ask whether they should dredge their pond to remove the muck. Most often dredging is the last and most effective method implemented for restoring a pond that has filled with sediment. There are various methods for dredging to reduce the cost and impact as well. Dredging is a solution for removing all types of muck and silt from a pond. Again, there are limitations and the primary limitation being that inorganic soil particles will not be removed with this technology. Aeration systems that utilize diffused air, bubbles, fountains, and pumps are another solution to help active bacteria within the pond naturally decompose organic debris. Pond muck remover is not effective on inorganic sediment such as dirt, which is often a majority of the silt in the pond. They are designed to help decompose organic debris such as leaves or other vegetation but are dependent on several factors (oxygen, aeration, nutrients) and are limited in effectiveness. Pond muck removers and reducers can be purchased in pellet, block, or liquid form.
#DREDGE A POND FULL#
However, once a pond is full of muck and silt there are limited options for muck removal.
Pond maintenance and pond cleaning, including dredging, is not a project that many of our clients planned to do when they bought or built their pond.
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