Onapa Lake
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Oklahoma |
| County | McIntosh |
| Nearest City | EUFAULA |
| River/Stream | TR-LAKE EUFAULA |
| Coordinates | 35.40359, -95.57162 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 58 ft |
| Dam Height | 58 ft |
| Dam Length | 594 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 2,520 acre-ft |
| Max Storage | 2,520 acre-ft |
| Normal Storage | 1,137 acre-ft |
| Surface Area | 49 acres |
| Max Discharge | 4,834 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF CHECOTAH |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 12/03/2010 |
| Emergency Action Plan | Not Required |