Olson Dam 1529
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Nebraska |
| County | Polk |
| Nearest City | SURPRISE |
| River/Stream | TR-BIG BLUE RIVER |
| Coordinates | 41.09324, -97.58004 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 23 ft |
| Dam Length | 311 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 146 acre-ft |
| Max Storage | 146 acre-ft |
| Normal Storage | 76 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 255 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Twogood Land, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/16/2019 |
| Emergency Action Plan | Not Required |