Recreation Pond Dam is an earth dam located in Merrimack County, New Hampshire, built in 1950. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 130 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Recreation Pond Dam
The primary purpose of Recreation Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Loch Lyndon Development Inc (private). It impounds the Tr Todd Lake near Newbury.
The dam stands 8 feet tall and stretches 130 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 137 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1950, 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 10/22/2018.
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Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Newbury |
| River/Stream | Tr Todd Lake |
| Coordinates | 43.29130, -71.96770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 130 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 137 acre-ft |
| Max Storage | 137 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 295 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Loch Lyndon Development Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/22/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00799 |
| Federal ID | NH00799 |
| More Info | State Dam Safety Program |