Howland, a private hydroelectric dam located in Howland, Maine along the Piscataquis River, has been operational since 1916.
With a dam height of 16.8 feet and a storage capacity of 3400 acre-feet, the facility serves multiple purposes including hydroelectric power generation and recreation. The dam is primarily constructed of concrete and gravity, with a spillway width of 570 feet for uncontrolled water release.
Managed by the Federal Energy Regulatory Commission, Howland has a low hazard potential and a moderate risk assessment rating. While the condition assessment is not available, the dam is inspected by the FERC and meets regulatory guidelines. The emergency action plan was last revised in 2013, indicating a commitment to safety and risk management. Overall, Howland serves as an important infrastructure for water resource management and climate impact mitigation efforts in the region.
Wind
Humidity
Year Completed |
1916 |
Dam Length |
660 |
Dam Height |
16.8 |
River Or Stream |
Piscataquis River |
Primary Dam Type |
Concrete |
Surface Area |
270 |
Drainage Area |
1500 |
Nid Storage |
3400 |
Outlet Gates |
Slide (sluice gate) - 4 |
Hazard Potential |
Low |
Nid Height |
17 |
Penobscot River At West Enfield
|
9180cfs |
Piscataquis River At Medford
|
2160cfs |
Mattawamkeag River Near Mattawamkeag
|
2540cfs |
Kenduskeag Stream Near Bangor
|
390cfs |
Piscataquis River Near Dover-Foxcroft
|
513cfs |
East Branch Penobscot River At Grindstone
|
1650cfs |