Red Hill Pond Dam
Red Hill Pond Dam is an earth dam located in Carroll County, New Hampshire, built in 1870. It carries a Low hazard potential classification and has a poor condition assessment.
About Red Hill Pond Dam
The primary purpose of Red Hill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Stephen And Kristin Allison (private). It impounds the Red Hill River near Sandwich.
The dam stands 7 feet tall and stretches 115 feet across, creates a reservoir covering 39 acres, has a maximum storage capacity of 175 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1870, 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 11/11/2021.
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Location
| State | New Hampshire |
| County | Carroll |
| Nearest City | Sandwich |
| River/Stream | Red Hill River |
| Coordinates | 43.80720, -71.42770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 115 ft |
| Year Completed | 1870 (156 years old) |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Max Storage | 175 acre-ft |
| Normal Storage | 125 acre-ft |
| Surface Area | 39 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 242 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | STEPHEN AND KRISTIN ALLISON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 11/11/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00555 |
| Federal ID | NH00555 |
| More Info | State Dam Safety Program |