EMPIRE (OUTLET EMBANKMENT) - CO00009-3263
Dam Name: EMPIRE (OUTLET EMBANKMENT)
State: CO
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 06/11/2018
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Sinkhole
Incident Mechanism 2Piping
Incident Mechanism 3
Incident IDCO00009-3263
Incident DescriptionA 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 IncidentYes
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)None
ResponseThe 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
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeP
Dam TypeRE
Primary Purpose(s)FIR
EAPY
Dam Height37 ft
Max Storage (ac-ft)50900.00
Surface Area (acres)2842.00
Year Completed1905
NID NumberCO00009
River NameSOUTH PLATTE RIVER-OS
Latitude40.2732
Longitude-104.189
Year Modified
Regulatory Agency(ies)DWR
Incident Time6:00 PM
Incident Duration
Incident Report ProducedYes
Information SourcesCO DNR
