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Incident ID |
CO00372-2092 |
|
Dam Name |
MONTGOMERY |
|
Downstream Hazard Potential |
H |
|
State |
CO |
|
Incident Date |
06/05/2013 |
|
Incident Type |
Non-failure |
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Incident Driver |
Seepage/internal Erosion |
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Incident Mechanism 1 |
Excessive/increased Seepage |
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Incident Mechanism 2 |
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Incident Mechanism 3 |
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Incident Description |
New seepage (near 1 cfs) at toe of rockfill dam. Increased monitoring, performed failure modes analysis. It was hypothesized that it was melting ice from within the rockfill of this high altitude dam after an abnormally wet and cold spring. |
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Named Hydrologic Event |
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EAP Enacted (Y/N) due to Incident |
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Fatalities (Number) |
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Number of People Evacuated |
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Number of Habitable Structures Evacuated |
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Number of Habitable Structures Flooded |
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Other Infrastructure Impacts |
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Economic Damages (in $) |
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Volume released at failure (ac-ft) |
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Response |
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Additional Remarks or Updates |
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Incident Time |
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Incident Duration |
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Incident Report Produced |
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Information Sources |
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|
Owner Type |
L |
|
Dam Type |
ER |
|
Primary Purpose(s) |
S |
|
EAP |
Y |
|
Year Completed |
1956 |
|
Year Modified |
0 |
|
Dam Height |
112 ft |
|
Max Storage (ac-ft) |
6100 ac-ft |
|
Surface Area (acres) |
95 acres |
|
River Name |
MIDDLE FORK S. PLATTE |
|
Latitude |
39.3533 |
|
Longitude |
-106.074 |
|
Regulatory Agency(ies) |
DWR |
|
NID Number |
CO00372 |
|
Attachments |
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