July 22, 2013

Mousam River dams at turning point

A local group is hoping relicensing decisions about three dams will favor access for spawning fish.

By Gillian Graham ggraham@pressherald.com
Staff Writer

For more than a century, a series of dams has prevented fish from swimming up and down the Mousam River as it wends its way through York County to the Atlantic Ocean.

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Alex Mendelsohn, Bill Grabin, and R.J. Mere, all members of the Mousam and Kennebunk Rivers Alliance, stand near the Kesslen Dam in Kennebunk. The Kesslen is one of three hydroelectric dams on the Mousam River owned by Kennebunk Light and Power District.

Jill Brady/Staff Photographer

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Now, however, some conservationists and residents see a potentially historic opportunity to restore fish access to the lower portion of the waterway that once powered mills in Sanford and Kennebunk.

The future of three hydroelectric dams owned by the Kennebunk Light and Power District is headed toward a formal federal review. The district is just beginning to study the costs and benefits of keeping the dams, but a local group is hoping the dams will be removed or modified to allow migratory fish such as shad and alewives to move freely through the Mousam River as it flows through downtown Kennebunk.

"These dams were built for industry. There was little or no consideration for migrating species or the impact these dams had on the river," said R.J. Mere, a Maine Guide from Kennebunk.

If the efforts are successful, the 23-mile-long Mousam River would join a growing list of Maine waterways undergoing restoration efforts that include dam removals and fish ladders.

In fact, discussion of the three dams on the Mousam River is occurring as one of the largest dam removal projects in North America continues on the Penobscot River. On Monday, the Veazie Dam in Eddington will be breached, part of a larger, multi-dam project to return native sea-run fish to the Penobscot.

Also this summer, the 200-year-old Randall Mill Dam is scheduled to be removed from the Royal River in Pownal. Sappi Fine Paper in Westbrook recently installed a $5 million fish ladder to expand migratory fish access to the Presumpscot River.

"The challenges the Mousam River faces are not unique. Most of our rivers in Maine and New England have a history of industrial use that is not healthy for creatures that lived in or along it," said Landis Hudson, executive director of Maine Rivers. "There's definitely a much greater understanding of the importance and value both environmentally and economically of free-flowing rivers."

The Kennebunk Light and Power District, a consumer-owned, nonprofit entity, last week started the long process of analyzing whether it will apply to relicense the Kesslen, Twine Mill and Dane Perkins dams, which generate power in Kennebunk.

The license from the Federal Energy Regulatory Commission expires in 2022, but power district officials say they want to develop a plan by 2015 after two years of studies, analysis and input from the community. The plan could include relicensing the dams and installing fish passageways, surrendering the license and ceasing operations or removing the dams entirely.

Members of the Mousam and Kennebunk Rivers Alliance would like to see the three Kennebunk dams removed -- or at least improved to include a fish passage system, said Mere, who is a member. He said the lack of fish passages prevents migration of shad, alewives, American eel, trout, elvers and Atlantic salmon.

"It's notable that the Mousam River has a number of dams and yet no fish passage on any of them. That ranks pretty high in the state of Maine as far as the oddity of that," Mere said.

There are a total of 13 dams on the Mousam River, which flows from Mousam Lake in Acton through Sanford and Kennebunk.

Mere said removing the three Kennebunk Light and Power dams or installing fish passageways over the dams would provide 17 miles of spawning habitat for fish.

The most visible of the three Kennebunk dams is the Kesslen, located next to the Lafayette Center on Main Street.

(Continued on page 2)

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Today's poll: Dam removal

Do you agree with efforts to remove dams on many Maine rivers?

Yes

No

View Results