Why Are Low Head Dams Dangerous To Small Boats
Camila Farah
The roar of the water can confuse boat operators backwash can pin you and your boat indefinitely the dam may not have any water on the other side they are always well marked giving you false confidence.
These currents also trap large debris between the strong hydraulic forces and the hard concrete surface of the dam which can batter someone trapped in the keeper. The other reason why low head dams are dangerous and some would call this the main reason is that they create a vortex of water on the other side just beneath the water surface. This is reason enough to make a boater worry. The churning action below low head dams is dangerous for swimming boating fishing and other water recreational activities.
Low head dams are dangerous because people fail to realize that these dams are just as dangerous as larger dams. When recreating in a natural body of water such as a river be aware of the distance from any low head dams. It helps mostly the rural areas to get a higher amount of water supply to meet their requirements. A low head dam is not only dangerous because the upstream higher side of the dam acts as a water strainer trapping a swimmer against the structure.
They are also capable of drowning the entire kayak. Low head dams are dangerous for small boats and rowing boats because the strong circular current below the dam can capture small ships and rowing boats and pull them under the dam. The low head dam is the most dangerous type of dam and has been named the drowning machine they may not be easily spotted because the top of a low head dam can be several feet below the water s. The movement of the water at the base can pull people under and trap them.
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Most importantly the low head dams are built to raise the water levels of the rivers.
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