Incident ID |
CO02026-3172 |
Dam Name |
QUEEN |
Downstream Hazard Potential |
S |
State |
CO |
Incident Date |
07/20/2017 |
Incident Type |
Non-failure |
Incident Driver |
Seepage/internal Erosion |
Incident Mechanism 1 |
Excessive/increased Seepage |
Incident Mechanism 2 |
Erosion |
Incident Mechanism 3 |
|
Incident Description |
Owner 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 Incident |
No |
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 |
once regulators notified a storage restriction was implemented |
Additional Remarks or Updates |
Restriction still being enforced. Owner working with engineer to develop a repair plan. Likely including a cut and cover outlet replacement in spring 2019 |
Incident Time |
|
Incident Duration |
|
Incident Report Produced |
Yes |
Information Sources |
CO DWR |
Owner Type |
P |
Dam Type |
RE |
Primary Purpose(s) |
FIR |
EAP |
Y |
Year Completed |
1896 |
Year Modified |
0 |
Dam Height |
25 ft |
Max Storage (ac-ft) |
32690 ac-ft |
Surface Area (acres) |
1930 acres |
River Name |
ARKANSAS RIVER-OS |
Latitude |
38.2717 |
Longitude |
-102.636 |
Regulatory Agency(ies) |
DWR |
NID Number |
CO02026 |
Attachments |
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