Long Falls Reservoir
| Reservoir Name | Long Falls |
| Dam Name | Flagstaff |
| River | Dead River |
| Administration City | Maine |
| Country | United States |
| Year | 1948 |
| Dam Height | 13 |
| Dam Length | 411 |
| Area(Sqkm) | 63.3 |
| Area(Polygonal) | 63.3 |
| Capital Expenditure | 536.6 |
| Depth(M) | 8.5 |
| Avg Displacement Of Water | 25890 |
| Catchment Area In Sqkm | 1331 |
| Main Usage | Hydroelectricity |
| Status | 2: Good |
| Longitude | -70.200417 |
| Latitude | 45.222083 |
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