Dodge Pond Dam
Dodge Pond Dam is a concrete dam located in Grafton County, New Hampshire, built in 1936. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Dodge Pond Dam
The primary purpose of Dodge Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Lyman (local government). It impounds the Tr Ogontz Lake near Lyman.
The dam stands 13 feet tall and stretches 75 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 190 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1936, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/28/2019.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Lyman |
| River/Stream | Tr Ogontz Lake |
| Coordinates | 44.27797, -71.92374 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 75 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 190 acre-ft |
| Max Storage | 190 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 752 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | TOWN OF LYMAN |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/28/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00146 |
| Federal ID | NH00146 |
| More Info | State Dam Safety Program |