Unprotected dams push salmon to the brink

The Kennebec and Androscoggin rivers once teemed with salmon runs of 100,000 or more — but now almost no Atlantic salmon return to the rivers each year.

Unprotected turbines at dams along the rivers are among the leading causes of the declining salmon populations. The dams kill and injure migrating salmon when they attempt to pass through the dams’ rotating blades — akin to having fish swim through the rotating blades of a giant window fan.

To make matters worse, dam owners have refused to implement simple protection measures that have been successfully adopted elsewhere, such as installing effective devices to divert salmon from turbines.

Environment Maine sues to save the salmon

With the number of Atlantic salmon perilously low, the need for action to protect the fish and their habitat is urgent.

In early 2011, Environment Maine and Friends of Merrymeeting Bay sued multiple dam owners and operators on the rivers for failing to take simple, inexpensive measures to protect the salmon.

Since the salmon populations in both rivers are on the Endangered Species List, the dam owners’ negligence violates federal law.

This summer, in a preliminary victory, the courts rejected attempts by the power companies to dismiss the cases.


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