UPPER HIGHLINE - CO00831-2095
Dam Name: UPPER HIGHLINE
State: CO
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 08/27/2013
Incident Driver: Malfunction of Equipment/Gate
Incident Mechanism 1: Gate/Valve Failure
Incident Mechanism 2
Incident Mechanism 3
Incident IDCO00831-2095
Incident DescriptionHydraulically operated valve became bound and could not be closed. An uncontrolled release of about 200 cfs occurred continuously until some emergency actions were initiated to slow the release.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
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 UpdatesDivers accessed the valve and made necessary adjustments to close it.
Owner TypeS
Dam TypeRE
Primary Purpose(s)R
EAPY
Dam Height98 ft
Max Storage (ac-ft)7125.00
Surface Area (acres)155.00
Year Completed1967
NID NumberCO00831
River NameMACK WASH-TR
Latitude39.27
Longitude-108.846
Year Modified
1969
Regulatory Agency(ies)DWR
Incident Time
Incident Duration
Incident Report Produced
Information Sources
