Old Keyser Reservoir is a concrete dam located in Mineral County, West Virginia, built in 1911. It carries a High hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 332 ft long, taller than 50% 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 Old Keyser Reservoir
Old Keyser Reservoir is a dam in Mineral, West Virginia. The dam is owned by City of Keyser (local government). It impounds the Limestone Run near Water Supply.
The dam stands 25 feet tall and stretches 332 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 62 acre-feet. Completed in 1911, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 08/20/2012. That was 14 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The West Virginia dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | West Virginia |
| County | Mineral |
| Nearest City | Water Supply |
| River/Stream | Limestone Run |
| Coordinates | 39.39028, -78.98306 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 332 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 5 acres |
Ownership & Safety
| Purpose | Other |
| Owner | City of Keyser |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/20/2012 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WV05722 |
| Federal ID | WV05722 |
| More Info | State Dam Safety Program |