EMPIRE (OUTLET EMBANKMENT) - CO00009-3263
| Incident ID | CO00009-3263 |
| Dam Name | EMPIRE (OUTLET EMBANKMENT) |
| Downstream Hazard Potential | H |
| State | CO |
| Incident Date | 06/11/2018 |
| Incident Type | Non-failure |
| Incident Driver | Seepage/internal Erosion |
| Incident Mechanism 1 | Sinkhole |
| Incident Mechanism 2 | Piping |
| Incident Mechanism 3 | |
| Incident Description | A toe drain installed in 1974 and it appears the 8 inch clay pipe damaged and has allowed sediment to be carried away over the years forming the sink hole. |
| Named Hydrologic Event | |
| EAP Enacted (Y/N) due to Incident | Yes |
| Fatalities (Number) | |
| Number of People Evacuated | 0 |
| Number of Habitable Structures Evacuated | 0 |
| Number of Habitable Structures Flooded | 0 |
| Other Infrastructure Impacts | None |
| Economic Damages (in $) | None |
| Volume released at failure (ac-ft) | |
| Response | The sink hole did not appear to be changing so temporary patch was performed. With a permanent repair done in the fall. temporarily placed gravel in hole. Then camera old drain. Then abandoned and repair new drain |
| Additional Remarks or Updates | |
| Incident Time | 6:00 PM |
| Incident Duration | |
| Incident Report Produced | Yes |
| Information Sources | CO DNR |
| Owner Type | P |
| Dam Type | RE |
| Primary Purpose(s) | FIR |
| EAP | Y |
| Year Completed | 1905 |
| Year Modified | 0 |
| Dam Height | 37 ft |
| Max Storage (ac-ft) | 50900 ac-ft |
| Surface Area (acres) | 2842 acres |
| River Name | SOUTH PLATTE RIVER-OS |
| Latitude | 40.2732 |
| Longitude | -104.189 |
| Regulatory Agency(ies) | DWR |
| NID Number | CO00009 |
| Attachments | Y |
