Baker River Site 6 Dam
Baker River Site 6 Dam is an earth dam located in Grafton County, New Hampshire, built in 1969. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Baker River Site 6 Dam
The primary purpose of Baker River Site 6 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Nh Des Water Division (state). It impounds the Pond Brook near Wentworth.
The dam stands 14 feet tall and stretches 203 feet across, creates a reservoir covering 121 acres, has a maximum storage capacity of 2,991 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1969, the structure is well into its service life at over 50 years 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/18/2019.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Wentworth |
| River/Stream | Pond Brook |
| Coordinates | 43.88660, -71.95860 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 203 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 2,991 acre-ft |
| Max Storage | 2,991 acre-ft |
| Normal Storage | 210 acre-ft |
| Surface Area | 121 acres |
| Drainage Area | 16 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | NH DES WATER DIVISION |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/18/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NH00243 |
| Federal ID | NH00243 |
| More Info | State Dam Safety Program |