Dwinal Pond is a concrete dam located in Penobscot County, Maine, built in 1947. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 100 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Dwinal Pond
The primary purpose of Dwinal Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dwinal Pond 4 Seasons Club (private). It impounds the Dwinal Pond.
The dam stands 10 feet tall and stretches 100 feet across, creates a reservoir covering 30 acres, and has a storage capacity of 150 acre-feet. Completed in 1947, the structure is well-established, with more than 75 years of service.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Maine |
| County | Penobscot |
| River/Stream | Dwinal Pond |
| Coordinates | 45.42691, -68.29635 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 100 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 30 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dwinal Pond 4 Seasons Club |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME96026 |
| Federal ID | ME96026 |
| More Info | State Dam Safety Program |