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Incident ID |
CO02798-3024 |
|
Dam Name |
MARSTON LAKE - SOUTH DAM |
|
Downstream Hazard Potential |
H |
|
State |
CO |
|
Incident Date |
11/23/2015 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
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 |
Unusual piezometer readings and seepage at the top of the first filling |
|
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 |
Unusual piezometer readings and seepage at the top of the first filling of this recently rehabilitated dam. |
|
Incident Time |
|
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Incident Duration |
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Incident Report Produced |
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|
Information Sources |
CO DWR |
|
Owner Type |
U |
|
Dam Type |
RE |
|
Primary Purpose(s) |
S |
|
EAP |
Y |
|
Year Completed |
1899 |
|
Year Modified |
0 |
|
Dam Height |
33 ft |
|
Max Storage (ac-ft) |
21100 ac-ft |
|
Surface Area (acres) |
652 acres |
|
River Name |
SOUTH PLATTE RIVER-OS |
|
Latitude |
39.6237 |
|
Longitude |
-105.062 |
|
Regulatory Agency(ies) |
DWR |
|
NID Number |
CO02798 |
|
Attachments |
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