Tyann
Significant HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Oklahoma |
| County | Tulsa |
| Nearest City | OWASSO |
| River/Stream | TR-BIRD CR |
| Coordinates | 36.28846, -95.83384 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 450 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 114 acre-ft |
| Max Storage | 114 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 330 sq mi |
| Max Discharge | 1,780 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | TYANN DEVELOPMENT CO |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/01/2021 |
| Emergency Action Plan | Not Required |