
Maine |
Maine |
New Hampshire |
New Hampshire |
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.
Pontook Dam, Androscoggin River, Dummer NH
2010 Flow Release Schedule:
| 1 | 1 | 2 | 3 | 6 | 3 |
| 2 | 1 | 2 | 6 | 3 | 3 |
| 3 | 1 | 2 | 6 | 3 | 6 |
| 4 | 1 | 2 | 6 | 3 | 6 |
| 5 | 1 | 5 | 3 | 3 | 6 |
| 6 | 1 | 5 | 3 | 6 | 6 |
| 7 | 1 | 2 | 3 | 6 | 4 |
| 8 | 1 | 2 | 3 | 6 | 4 |
| 9 | 1 | 2 | 6 | 3 | 4 |
| 10 | 1 | 2 | 6 | 3 | 4 |
| 11 | 1 | 2 | 6 | 3 | 7 |
| 12 | 1 | 5 | 3 | 3 | 7 |
| 13 | 1 | 5 | 3 | 6 | 4 |
| 14 | 1 | 2 | 3 | 6 | 4 |
| 15 | 1 | 2 | 3 | 6 | 4 |
| 16 | 1 | 2 | 6 | 3 | 4 |
| 17 | 1 | 2 | 6 | 3 | 4 |
| 18 | 1 | 2 | 6 | 3 | 7 |
| 19 | 1 | 5 | 3 | 3 | 7 |
| 20 | 1 | 5 | 3 | 6 | 4 |
| 21 | 1 | 2 | 3 | 6 | 4 |
| 22 | 1 | 2 | 3 | 6 | 4 |
| 23 | 1 | 2 | 6 | 3 | 4 |
| 24 | 1 | 2 | 6 | 3 | 4 |
| 25 | 1 | 2 | 6 | 3 | 4 |
| 26 | 1 | 5 | 3 | 3 | 4 |
| 27 | 1 | 5 | 3 | 6 | 4 |
| 28 | 1 | 2 | 3 | 6 | 4 |
| 29 | 5 | 2 | 3 | 6 | 4 |
| 30 | 5 | 2 | 6 | 3 | 4 |
| 31 | 5 | N/A | 6 | 3 | N/A |
Note: Release Rate 1 (minimum release) applies to dates and times not noted on this schedule
| Release Rates: |
| 1 - 350 CFS FOR 24 HOURS (year round base flow, except for Release Rates indicated below) |
| 2 - 500 CFS 9 AM TO 6 PM (Saturday of Memorial Day weekend until June 30, except for Release Rate 5 below) |
| 3 - 500 CFS 8 AM TO 6 PM (July 1 until Labor Day, except for Release Rate 6 below) |
| 4 - 500 CFS 8 AM TO 4 PM (day after Labor Day until September 30, except for Release Rate 7 below) |
| 5 - 500 CFS 9 AM TO 6 PM, EXCEPT FULL RIVER FLOW (UP TO 2,200 CFS) 10 AM TO 4 PM (weekends and holidays from the Saturday of Memorial Day weekend through June 30) |
| 6 - 500 CFS 8 AM TO 6 PM, EXCEPT FULL RIVER FLOW (UP TO 2,200 CFS) 10 AM TO 4 PM (Fridays, Saturdays, Sundays, and holidays from July 1 through Labor Day) |
| 7 - 500 CFS 8 AM TO 4 PM, EXCEPT FULL RIVER FLOW (UP TO 2,200 CFS) 10 AM TO 4 PM (two weekends following Labor Day) |
All flows are measured in Cubic Feet Per Second (CFS).
For current flood potential, flood conditions, or flood forecasts please contact the National Weather Service office in Gray, Maine, 800-482-0913.
© 2006 Great Lakes Hydro America, LLC
Web page last updated: 2009-03-18 10:00 am