E. Branch of Penobscot Below Grand Lake Matagamon
Penobscot County, Maine
The past week
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What floods at each level
- 9.5 ft
Similar flooding to December 19th, 2023 with extremely dangerous flows greater than 6800cfs downstream from Grand Lake Matagamon Dam to Spencer Rips. All campsites inundated with 1 to 2 feet of moving water upstream of the Grand Lake Road bridge on the left bank side of the river. Several campsites downstream of Grand Lake Road bridge flooded to the Katahdin Woods and Waters Monument on the right bank side of the river.
- 8.5 ft
Minor flooding is occuring with extremely dangerous flows greater than 5800cfs from the Grand Lake Matagamon Dam. Campsites on the left bank upstream of the Grand Lake Road bridge will become inaccessible. Campsites begin flooding downstream of the bridge on the right bank. Campsites will be flooding downstream in the Katahdin Woods and Waters Momument land including areas from The Oxbow to Grand Pitch.
- 7.5 ft
Increasingly dangerous flows being discharged from the Grand Lake Matagamon Dam upstream. Water will begin flooding low lying campsites on the right bank downstream of the Grand Lake Road bridge. Water will be approaching the campsites on the left bank upstream of the Grand Lake Road bridge.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Dec 19, 2023 | 9.6 ft | 6,819 cfs |
When the water runs low
- 5 ft
Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.
- 3 ft
Temporary (not sustainable) operating level for of Scholz Power Plant
More on E. Branch of Penobscot
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