QUEEN - CO02026-3172
Dam Name: QUEEN
State: CO
Downstream Hazard Potential: S
Incident Type: Non-Failure
Incident Date: 07/20/2017
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Excessive/Increased Seepage
Incident Mechanism 2Erosion
Incident Mechanism 3
Incident IDCO02026-3172
Incident DescriptionOwner observed excessive seepage from outlet works headwall. Lowered reservoir and found 2-ft diameter piping hole in embankment. Owner backfilled hole and called an engineer who reported the incident to a dam safety engineer. reservoir restriction ensued
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Responseonce regulators notified a storage restriction was implemented
Volume released at failure (ac-ft)
Additional Remarks or UpdatesRestriction still being enforced. Owner working with engineer to develop a repair plan. Likely including a cut and cover outlet replacement in spring 2019
Owner TypeP
Dam TypeRE
Primary Purpose(s)FIR
EAPY
Dam Height25 ft
Max Storage (ac-ft)32690.00
Surface Area (acres)1930.00
Year Completed1896
NID NumberCO02026
River NameARKANSAS RIVER-OS
Latitude38.2717
Longitude-102.636
Year Modified
Regulatory Agency(ies)DWR
Incident Time
Incident Duration
Incident Report ProducedYes
Information SourcesCO DWR
