Kilton Pond Dam
Kilton Pond Dam is a stone dam located in Grafton County, New Hampshire, built in 1930. It carries a Low hazard potential classification and has a fair condition assessment.
About Kilton Pond Dam
The primary purpose of Kilton Pond 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 Smith River near Grafton.
The dam stands 12 feet tall and stretches 180 feet across, creates a reservoir covering 68 acres, has a maximum storage capacity of 407 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1930, the structure is well-established, with more than 75 years 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 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 10/31/2022.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Grafton |
| River/Stream | Smith River |
| Coordinates | 43.58151, -71.97702 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 180 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 407 acre-ft |
| Max Storage | 407 acre-ft |
| Normal Storage | 196 acre-ft |
| Surface Area | 68 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 2,709 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH DES WATER DIVISION |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/31/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00024 |
| Federal ID | NH00024 |
| More Info | State Dam Safety Program |