Thorndike Pond Dam is a concrete dam located in Cheshire County, New Hampshire, built in 1915. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 13 ft13 ft tall and 175 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Thorndike Pond Dam
The primary purpose of Thorndike Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Thorndike Pond Conserv Assoc (private). It impounds the Stanley Brook near Dublin.
The dam stands 13 feet tall and stretches 175 feet across, creates a reservoir covering 265 acres, has a maximum storage capacity of 2,210 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1915, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/02/2022.
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Location
| State | New Hampshire |
| County | Cheshire |
| Nearest City | Dublin |
| River/Stream | Stanley Brook |
| Coordinates | 42.86606, -72.05093 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 175 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 2,210 acre-ft |
| Max Storage | 2,210 acre-ft |
| Normal Storage | 1,460 acre-ft |
| Surface Area | 265 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 853 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Thorndike Pond Conserv Assoc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/02/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00408 |
| Federal ID | NH00408 |
| More Info | State Dam Safety Program |