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 |
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