HALLENBECK #1 - CO00085-3025


Incident ID CO00085-3025
Dam Name HALLENBECK #1
Downstream Hazard Potential H
State CO
Incident Date 06/10/2014
Incident Type Non-failure
Incident Driver Seepage/internal Erosion
Incident Mechanism 1 Cracking
Incident Mechanism 2 Other
Incident Mechanism 3
Incident Description Dam exhibits unusual cracking and behavior of toe drains and piezometers.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident Yes
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 Dam exhibits unusual cracking and behavior of toe drains and piezometers. EAP level 1 situational awareness issued by County EM, reservoir lowered for further evaluation.
Incident Time
Incident Duration
Incident Report Produced
Information Sources CO DWR
Owner Type L
Dam Type RE
Primary Purpose(s) SR
EAP Y
Year Completed 1970
Year Modified 0
Dam Height 43 ft
Max Storage (ac-ft) 1155 ac-ft
Surface Area (acres) 62 acres
River Name KAHNAH CREEK-TR
Latitude 38.9693
Longitude -108.294
Regulatory Agency(ies) DWR
NID Number CO00085
Attachments