Stinson Lake Dam
Stinson Lake Dam is an earth dam located in Grafton County, New Hampshire, built in 1780. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Stinson Lake Dam
The primary purpose of Stinson Lake 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 Stinson Brook near Rumney.
The dam stands 8 feet tall and stretches 158 feet across, creates a reservoir covering 344 acres, has a maximum storage capacity of 1,890 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1780, the structure is one of the older dams in the region, with over a century and a half of service.
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 09/18/2019.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Rumney |
| River/Stream | Stinson Brook |
| Coordinates | 43.86080, -71.80720 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 158 ft |
| Year Completed | 1780 (246 years old) |
Storage & Hydraulics
| NID Storage | 1,890 acre-ft |
| Max Storage | 1,890 acre-ft |
| Normal Storage | 459 acre-ft |
| Surface Area | 344 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 3,023 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH DES WATER DIVISION |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/18/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00399 |
| Federal ID | NH00399 |
| More Info | State Dam Safety Program |