Williamson Irrigation Dam
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Nebraska |
| County | Boyd |
| Nearest City | NIOBRARA |
| River/Stream | TR-KEYA PAHA RIVER |
| Coordinates | 42.90959, -99.00717 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 31 ft |
| Dam Length | 687 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 241 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Carl & Patty Williamson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/16/2017 |
| Emergency Action Plan | Not Required |