Powwow Pond Dam
Powwow Pond Dam is an earth dam located in Rockingham County, New Hampshire, built in 1935. It carries a Significant hazard potential classification and has a fair condition assessment.
About Powwow Pond Dam
The primary purpose of Powwow Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Des Water Division (state). It impounds the Powwow River near East Kingston.
The dam stands 12 feet tall and stretches 250 feet across, creates a reservoir covering 353 acres, has a maximum storage capacity of 3,761 acre-feet, and collects water from a drainage area of 29 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/26/2019.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | East Kingston |
| River/Stream | Powwow River |
| Coordinates | 42.90770, -71.01660 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 250 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 3,761 acre-ft |
| Max Storage | 3,761 acre-ft |
| Normal Storage | 1,472 acre-ft |
| Surface Area | 353 acres |
| Drainage Area | 29 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH DES WATER DIVISION |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/26/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NH00440 |
| Federal ID | NH00440 |
| More Info | State Dam Safety Program |