Rollins Pond Dam
Rollins Pond Dam is an earth dam located in Belknap County, New Hampshire, built in 1800. It carries a Low hazard potential classification and has a poor condition assessment.
About Rollins Pond Dam
The primary purpose of Rollins Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ms Patricia Bosiak (private). It impounds the Kelley Brook near Gilmanton.
The dam stands 17 feet tall and stretches 192 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1800, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/12/2022.
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Location
| State | New Hampshire |
| County | Belknap |
| Nearest City | Gilmanton |
| River/Stream | Kelley Brook |
| Coordinates | 43.36630, -71.36360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 192 ft |
| Year Completed | 1800 (226 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 150 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MS PATRICIA BOSIAK |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/12/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00017 |
| Federal ID | NH00017 |
| More Info | State Dam Safety Program |