Chimney Rock Pump Storage
Oklahoma — Mayes County
Location
| State | Oklahoma |
| County | Mayes |
| Coordinates | 36.25640, -95.10520 |
Physical Characteristics
| NID Height | 195 ft |
| Dam Height | 185 ft |
| Dam Length | 2,300 ft |
| NID Storage | 48,225 acre-ft |
| Max Storage | 48,225 acre-ft |
| Surface Area | 742 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1968 |
| Primary Purpose | Hydroelectric |
| Dam Type | — |
| Owner Type | — |
| Owner | Grand River Dam Authority |
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.