SPENCER DAM - NE00628-3328
| Incident ID | NE00628-3328 |
| Dam Name | SPENCER DAM |
| Downstream Hazard Potential | S |
| State | NE |
| Incident Date | 03/14/2019 |
| Incident Type | Failure |
| Incident Driver | Other |
| Incident Mechanism 1 | Overtopping |
| Incident Mechanism 2 | Other |
| Incident Mechanism 3 | |
| Incident Description | Major flood and ice run on the river overtopped the dam and caused failure. |
| Named Hydrologic Event | |
| EAP Enacted (Y/N) due to Incident | No |
| Fatalities (Number) | 1 |
| Number of People Evacuated | |
| Number of Habitable Structures Evacuated | |
| Number of Habitable Structures Flooded | 1 |
| Other Infrastructure Impacts | Bridges |
| Economic Damages (in $) | Unknown |
| Volume released at failure (ac-ft) | 16487 ac-ft |
| Response | Dam operators attempted to evacuate the individual living just downstream but the home apparently washed away before that happened. |
| Additional Remarks or Updates | At the request of NE DNR and NPPD, ASDSO conducted an investigation of the failure. |
| Incident Time | 5:15 AM |
| Incident Duration | |
| Incident Report Produced | Yes |
| Information Sources | ASDSO Independent Investigation Panel |
| Owner Type | U |
| Dam Type | RE |
| Primary Purpose(s) | H |
| EAP | NR |
| Year Completed | 1927 |
| Year Modified | 0 |
| Dam Height | 45 ft |
| Max Storage (ac-ft) | 16487 ac-ft |
| Surface Area (acres) | 864 acres |
| River Name | NIOBRARA RIVER |
| Latitude | 42.8088 |
| Longitude | -98.6566 |
| Regulatory Agency(ies) | NE DNR |
| NID Number | NE00628 |
| Attachments | Y |
