Safety Notice:

River flows and levels at these facilities are subject to change.
Please exercise caution when recreating upstream or downstream of dams and powerhouses.

River flow data for the Lower West Branch of the Penobscot River:

The data displayed on this page are automatically refreshed every five (5) minutes.

The flows in Red are calculated from periodic readings taken by dam tenders during visits to remote dam sites.

The flows in Blue are actual measurements recorded at the generating stations at the beginning of the previous 5 minute interval.

All flows are measured in Cubic Feet Per Second (CFS).

Flow information is also available by calling Brookfield Power Toll free at 1-888-323-4341

For current flood potential, flood conditions, or flood forecasts please contact the Penobscot County Emergency Management Agency at (207)945-4750.

As a requirement of its FERC license, Brookfield Power has developed Boating and Depth Maps of the North Twin impoundment for use by the boating public. The maps can be viewed here:
Ambajejus-Pemadumcook Map
North and South Twin Map
Printed copies of the maps can also be obtained at Brookfield Power’s offices at 1024 Central Street in Millinocket, Maine.

© 2005 Great Lakes Hydro America, LLC

Web page last updated: 2005-03-01 2:25 pm