Walker Mill Dam is a gravity dam located in Nelson County, Virginia, built in 1910. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 150 ft long, taller than 74% 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 concrete gravity section and the water level is illustrative.
About Walker Mill Dam
The primary purpose of Walker Mill Dam is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Hydro-wm, LLC (private). It impounds the Rockfish River, James River.
The dam stands 32 feet tall and stretches 150 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 22 square miles. Completed in 1910, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/27/2018.
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Location
| State | Virginia |
| County | Nelson |
| Nearest City | None |
| River/Stream | Rockfish River, James River |
| Coordinates | 37.78746, -78.69954 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 150 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 22 sq mi |
| Max Discharge | 3,600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Hydro-wm, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/27/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VA125007 |
| Federal ID | VA125007 |
| More Info | State Dam Safety Program |