Sand Pond Dam
Sand Pond Dam is an earth dam located in Cheshire County, New Hampshire, built in 1925. It carries a Low hazard potential classification and has a fair condition assessment.
About Sand Pond Dam
The primary purpose of Sand Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Sand Pond Association (private). It impounds the Tr Ashuelot River near Marlow.
The dam stands 12 feet tall and stretches 250 feet across, creates a reservoir covering 161 acres, has a maximum storage capacity of 1,018 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1925, the structure is over a century old.
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 06/05/2018.
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Location
| State | New Hampshire |
| County | Cheshire |
| Nearest City | Marlow |
| River/Stream | Tr Ashuelot River |
| Coordinates | 43.17470, -72.16050 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 250 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 1,018 acre-ft |
| Max Storage | 1,018 acre-ft |
| Normal Storage | 212 acre-ft |
| Surface Area | 161 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 127 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | SAND POND ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/05/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00305 |
| Federal ID | NH00305 |
| More Info | State Dam Safety Program |