Thelen Dam
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Nebraska |
| County | Polk |
| Nearest City | SURPRISE |
| River/Stream | TR-BIG BLUE RIVER |
| Coordinates | 41.13308, -97.43939 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 17 ft |
| Dam Length | 410 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 166 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Happy Hogs LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/01/2019 |
| Emergency Action Plan | Not Required |