UPPER HIGHLINE - CO00831-2095


Incident ID CO00831-2095
Dam Name UPPER HIGHLINE
Downstream Hazard Potential H
State CO
Incident Date 08/27/2013
Incident Type Non-failure
Incident Driver Malfunction Of Equipment/gate
Incident Mechanism 1 Gate/valve Failure
Incident Mechanism 2
Incident Mechanism 3
Incident Description Hydraulically 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 $)
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates Divers accessed the valve and made necessary adjustments to close it.
Incident Time
Incident Duration
Incident Report Produced
Information Sources
Owner Type S
Dam Type RE
Primary Purpose(s) R
EAP Y
Year Completed 1967
Year Modified 1969
Dam Height 98 ft
Max Storage (ac-ft) 7125 ac-ft
Surface Area (acres) 155 acres
River Name MACK WASH-TR
Latitude 39.27
Longitude -108.846
Regulatory Agency(ies) DWR
NID Number CO00831
Attachments