Mud Pond Dam
Mud Pond Dam is an earth dam located in Coos County, New Hampshire, built in 1920. It carries a Low hazard potential classification and has a fair condition assessment.
About Mud Pond Dam
The primary purpose of Mud Pond Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by North Country Coos (private). It impounds the Mud Pond Brook near Dixville.
The dam stands 10 feet tall and stretches 325 feet across, creates a reservoir covering 41 acres, has a maximum storage capacity of 192 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1920, 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 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 10/28/2020.
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Location
| State | New Hampshire |
| County | Coos |
| Nearest City | Dixville |
| River/Stream | Mud Pond Brook |
| Coordinates | 44.90000, -71.30330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 325 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 192 acre-ft |
| Max Storage | 192 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 90 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | NORTH COUNTRY COOS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/28/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00458 |
| Federal ID | NH00458 |
| More Info | State Dam Safety Program |