IVANHOE - CO00682-3026
Dam Name: IVANHOE
State: CO
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 07/01/2014
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Settlement
Incident Mechanism 2Sinkhole
Incident Mechanism 3
Incident IDCO00682-3026
Incident DescriptionExcessive settlement and cracking on the upstream face over the outlet piping
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or UpdatesReport of Excessive settlement and cracking on the upstream face over the outlet piping. Level 1 EAP activation. Site visit revealed outlet works failure. Infor to reservoir can be shut off, and has been, and resevroir was ordered lowered, 0-storage restriction ordered.
Owner TypeU
Dam TypeRE
Primary Purpose(s)IS
EAPY
Dam Height17 ft
Max Storage (ac-ft)1007.00
Surface Area (acres)82.00
Year Completed1928
NID NumberCO00682
River NameIVANHOE CREEK
Latitude39.2717
Longitude-106.509
Year Modified
1971
Regulatory Agency(ies)DWR
Incident Time
Incident Duration
Incident Report Produced
Information SourcesCO DWR
