![]() Dredging the lake prevents this process.ĭredging a lake also keeps it from accumulating algae, which can be a big deterrent for guests of a golf course, residents in a neighborhood or swimmers. Silt continues to accumulate and eventually turns the lake into a swamp. In eutrophication, the sediment pulls oxygen from the water, harming wildlife and accelerating plant growth. Lakes follow a natural process that involves drying up and starting eutrophication. See if an area you manage contains waterways like these to determine if dredging is a potential solution: Lakes Dredged silt can be turned into topsoil when mixed with other materials such as clay and compost.ĭredging is a suitable process for a variety of waterways. Reclaiming mining environments: After mining, the land that was mined must be restored to an environmentally supportive state.Uncontaminated silt can even be deposited in other areas, like wetlands or the coastline, to work as fertilizer and support plant growth. When contaminated silt is removed, pollutants are also removed, providing a healthier environment for wildlife. A dredged waterway also supports all the other animals that depend on the fish. Dredging removes this sediment, leaving more oxygen in the water for fish to use and providing more space for them to thrive. Supporting the waterway’s ecosystem: Aquatic environments can be negatively affected by the buildup of silt and sediment.With cleaner waters, more wildlife and well-supported coastlines, these activities are more enjoyable and available, creating a great opportunity for tourism and attractions. Increasing activity options: In many instances, waterways are a source of recreational and commercial activities, like beachgoing, fishing and boating.Plus, you can widen the waterway for larger boats and more options. Water traffic can move more easily and with greater confidence. Maintaining appropriate depth: Dredging ensures that the bottom of the waterway is low enough to allow ships to pass by safely.There are many advantages of dredging a waterway, such as: It helps to retain the usefulness of the waterway by supporting wildlife and the appropriate depth. If your waterway has a functional purpose, such as supporting commercial ships or holding fish for recreational activities, dredging is crucial. It could also result in smelly, unpleasant algal blooms. Natural sediment can cause the waterway to become shallow and swampy and eventually dry up as part of the natural process. ![]() Even natural sediment must be dredged if you want to keep the waterway in good condition. If the debris involves toxic or otherwise damaging materials that humans have left behind, dredging can remove these substances and keep them from harming the wildlife. It could also come from human-made debris such as construction materials and refuse. This sediment could come in the form of natural materials, like soil, rocks, clay and plant or animal matter. Why Dredging Waterways Is CrucialĮvery waterway follows a natural process, collecting sediment and changing its characteristics. Let’s look a little closer at dredging and how it affects these different types of waterways. While they all need dredging, the process looks a little different for each type of waterway. Rivers, ponds, lakes and even beaches need to be dredged to retain their appearance, prevent algae problems and support more wildlife. Dredging is a significant part of waterway care for just about every body of water. From golf courses and national parks to homeowner’s associations and local governments, those in charge of waterways need to incorporate dredging in regular maintenance.
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