West Branch Penobscot River

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History of West Branch Penobscot River as a right source of the river Penobscot River

The West Branch Penobscot River is the right source of the river Penobscot River in the U.S. state of Maine.

The West Branch Penobscot River drains the outflow regulated Seboomook Lake to the east. It flows through the reservoir Chesuncook Lake and then the lake system of Lake Pemadumcook. He passed the small town of Millinocket and later down the river dammed to Dolby Pond. Now comes the village of East Millinocket, before the river at Medway combined with the oncoming of the North East Branch of the Penobscot River. The West Branch Penobscot River has a length of 190 km and has a catchment area of 5,150 km ². There are several dams and hydropower plants on the river. North Branch and South Branch Penobscot River flow into the western end of Lake Seboomook and thus form the headwaters of the West Branch Penobscot River.

Hydropower plants

In the course of the River West Branch Penobscot River there are several hydroelectric plants.

The hydropower plants in downstream direction:

The hydropower plant McKay is located below the Ripogenus Dam, which impounds the Chesuncook Lake. North Twin Lake is located at the outflow of the Pemadumcook Lakes system. The hydroelectric plant Medway will be modernized as part of the Penobscot River Restoration Agreement.