Otter Pond Dam
Otter Pond Dam is an earth dam located in Sullivan County, New Hampshire, built in 1920. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Otter Pond Dam
The primary purpose of Otter Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Sunapee (local government). It impounds the Otter Pond Brook near Sunapee.
The dam stands 12 feet tall and stretches 70 feet across, creates a reservoir covering 189 acres, has a maximum storage capacity of 2,406 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1920, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/20/2021.
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Location
| State | New Hampshire |
| County | Sullivan |
| Nearest City | Sunapee |
| River/Stream | Otter Pond Brook |
| Coordinates | 43.43250, -72.06630 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 70 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 2,406 acre-ft |
| Max Storage | 2,406 acre-ft |
| Normal Storage | 245 acre-ft |
| Surface Area | 189 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 759 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | TOWN OF SUNAPEE |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/20/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00078 |
| Federal ID | NH00078 |
| More Info | State Dam Safety Program |