MONTGOMERY - CO00372-2092
Dam Name: MONTGOMERY
State: CO
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 06/05/2013
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Excessive/Increased Seepage
Incident Mechanism 2
Incident Mechanism 3
Incident IDCO00372-2092
Incident DescriptionNew 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.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
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Number of People Evacuated
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Number of Habitable Structures Flooded
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Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeL
Dam TypeER
Primary Purpose(s)S
EAPY
Dam Height112 ft
Max Storage (ac-ft)6100.00
Surface Area (acres)95.00
Year Completed1956
NID NumberCO00372
River NameMIDDLE FORK S. PLATTE
Latitude39.3533
Longitude-106.074
Year Modified
Regulatory Agency(ies)DWR
Incident Time
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Incident Report Produced
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