Howland
Howland is a concrete dam located in Penobscot County, Maine, built in 1916. It carries a Low hazard potential classification.
About Howland
The primary purpose of Howland is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Penobscot River Restoration Trust (private). It impounds the Piscataquis River near Howland.
The dam stands 17 feet tall and stretches 660 feet across, creates a reservoir covering 270 acres, has a maximum storage capacity of 3,400 acre-feet, and collects water from a drainage area of 1,500 square miles. Completed in 1916, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 08/26/2015. That was over 10 years ago.
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Location
| State | Maine |
| County | Penobscot |
| Nearest City | Howland |
| River/Stream | Piscataquis River |
| Coordinates | 45.23940, -68.65750 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 660 ft |
| Year Completed | 1916 (110 years old) |
Storage & Hydraulics
| NID Storage | 3,400 acre-ft |
| Max Storage | 3,400 acre-ft |
| Normal Storage | 3,400 acre-ft |
| Surface Area | 270 acres |
| Drainage Area | 1,500 sq mi |
| Max Discharge | 42,525 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Penobscot River Restoration Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/26/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00155 |
| Federal ID | ME00155 |
| More Info | State Dam Safety Program |