Turtle Pond Dam
Turtle Pond Dam is an earth dam located in Merrimack County, New Hampshire, built in 1932. It carries a Low hazard potential classification and has a poor condition assessment.
About Turtle Pond Dam
The primary purpose of Turtle Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Concord (local government). It impounds the Tr Mill Brook near Concord.
The dam stands 8 feet tall and stretches 125 feet across, creates a reservoir covering 159 acres, has a maximum storage capacity of 864 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1932, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/29/2017.
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Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Concord |
| River/Stream | Tr Mill Brook |
| Coordinates | 43.24750, -71.51550 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 125 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 864 acre-ft |
| Max Storage | 864 acre-ft |
| Normal Storage | 201 acre-ft |
| Surface Area | 159 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 427 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | CITY OF CONCORD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/29/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00364 |
| Federal ID | NH00364 |
| More Info | State Dam Safety Program |