Big Dodge Pond Dam
Big Dodge Pond Dam is an earth dam located in Rockingham County, New Hampshire, built in 1917. It carries a Significant hazard potential classification and has a poor condition assessment.
About Big Dodge Pond Dam
The primary purpose of Big Dodge Pond Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Town Of Hampton Falls (local government). It impounds the Hampton Falls River near Hampton Falls.
The dam stands 12 feet tall and stretches 400 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 112 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1917, the structure is over a century old.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 10/02/2019.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Hampton Falls |
| River/Stream | Hampton Falls River |
| Coordinates | 42.91020, -70.86520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 400 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 800 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | TOWN OF HAMPTON FALLS |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/02/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NH00533 |
| Federal ID | NH00533 |
| More Info | State Dam Safety Program |