Walnut Creek Dam is an earth dam located in Powhatan County, Virginia. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 42 ft42 ft tall and 511 ft long, taller than 88% of U.S. dams with a recorded height. 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 Walnut Creek Dam
The primary purpose of Walnut Creek Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hopson LLC (private). It impounds the Otterdam Swamp.
The dam stands 42 feet tall and stretches 511 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 502 acre-feet, and collects water from a drainage area of 0 square miles.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/29/2017.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Virginia |
| County | Powhatan |
| River/Stream | Otterdam Swamp |
| Coordinates | 37.53680, -78.09930 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 511 ft |
Storage & Hydraulics
| NID Storage | 502 acre-ft |
| Max Storage | 502 acre-ft |
| Normal Storage | 359 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hopson LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/29/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA145034 |
| Federal ID | VA145034 |
| More Info | State Dam Safety Program |