Larrys Pond Dam is an earth dam located in Cheshire County, New Hampshire, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 440 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 Larrys Pond Dam
The primary purpose of Larrys Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Morgan Reserve Homeowners Assoc (private). It impounds the Tr Tully Brook near Richmond.
The dam stands 19 feet tall and stretches 440 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 years 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. The most recent inspection on record was 10/21/2022.
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Location
| State | New Hampshire |
| County | Cheshire |
| Nearest City | Richmond |
| River/Stream | Tr Tully Brook |
| Coordinates | 42.76500, -72.22050 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 440 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 340 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Morgan Reserve Homeowners Assoc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/21/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00422 |
| Federal ID | NH00422 |
| More Info | State Dam Safety Program |