Willis Dam is an earth dam located in Powhatan County, Virginia. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 632 ft long, taller than 55% 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 Willis Dam
The primary purpose of Willis Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by J.r. Willis Jr. (private). It impounds the Horsepen Branch.
The dam stands 26 feet tall and stretches 632 feet across, has a maximum storage capacity of 81 acre-feet, and collects water from a drainage area of 0 square miles.
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Location
| State | Virginia |
| County | Powhatan |
| River/Stream | Horsepen Branch |
| Coordinates | 37.59560, -78.05790 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 632 ft |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Max Storage | 81 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | J.r. Willis Jr. |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VA145030 |
| Federal ID | VA145030 |
| More Info | State Dam Safety Program |