Robb Reservoir Dam
Robb Reservoir Dam is a concrete dam located in Cheshire County, New Hampshire, built in 1912. It carries a Low hazard potential classification and has a fair condition assessment.
About Robb Reservoir Dam
The primary purpose of Robb Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Fish And Game Department (state). It impounds the North Branch Contoocook River near Stoddard.
The dam stands 13 feet tall and stretches 120 feet across, creates a reservoir covering 97 acres, has a maximum storage capacity of 984 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1912, 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 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 03/31/2020.
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Location
| State | New Hampshire |
| County | Cheshire |
| Nearest City | Stoddard |
| River/Stream | North Branch Contoocook River |
| Coordinates | 43.03970, -72.06830 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 120 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 984 acre-ft |
| Max Storage | 984 acre-ft |
| Normal Storage | 224 acre-ft |
| Surface Area | 97 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 1,674 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/31/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00240 |
| Federal ID | NH00240 |
| More Info | State Dam Safety Program |