Century Village Dam is an earth dam located in Rockingham County, New Hampshire, built in 1988. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 200 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 Century Village Dam
The primary purpose of Century Village Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Century Comm Assoc (private). It impounds the Unnamed Stream near Londonderry.
The dam stands 8 feet tall and stretches 200 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1988, the structure is 38 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 09/20/2021.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Londonderry |
| River/Stream | Unnamed Stream |
| Coordinates | 42.86405, -71.35910 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 200 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 918 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Century Comm Assoc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/20/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NH00758 |
| Federal ID | NH00758 |
| More Info | State Dam Safety Program |