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Depending upon how the system is set up there could be a variety of effects.

To have a hydroelectric dam there needs to be a source of water, which frequently is a river damed up flooding an area behind it. That could be seen as a problem depending upon how it is managed and whether or not you live in the effected area.

The water flow is being altered as well as other physical qualities of the water. The sediment load and gas pressure will likely decrease. The construction would need to take into account the alterations to the habitat for wildlife. If the dissolved oxygen level drops too low fish could die and anaerobic conditions could lead to ammonia problems and a pH shift.

There is also the problem of creating a division in a waterway where there was none before. This could be a problem for wildlife and for transportation.

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15y ago
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