Newt Graham Lock and Dam
Oklahoma — Wagoner County — VERDIGRIS RIVER
Location
| State | Oklahoma |
| County | Wagoner |
| River | VERDIGRIS RIVER |
| Coordinates | 36.05864, -95.53767 |
Physical Characteristics
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 7,367 ft |
| NID Storage | 23,500 acre-ft |
| Max Storage | 23,500 acre-ft |
| Surface Area | 1,490 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | May 28, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1970 |
| Primary Purpose | Navigation |
| Dam Type | Concrete |
| Owner Type | Federal |
| Owner | USACE - Tulsa District |
| Other Name | Newt Graham Lock and Dam |
Location Map
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.