Newt Graham Lock And Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Oklahoma |
| County | Wagoner |
| Nearest City | OKAY |
| River/Stream | VERDIGRIS RIVER |
| Coordinates | 36.05863, -95.53767 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 7,367 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 23,500 acre-ft |
| Max Storage | 23,500 acre-ft |
| Normal Storage | 23,500 acre-ft |
| Surface Area | 1,490 acres |
| Drainage Area | 2,034 sq mi |
| Max Discharge | 155,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Tulsa District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/28/2025 |
| Emergency Action Plan | Yes |