TWO BUTTES - CO00759-3017
Dam Name: TWO BUTTES
State: CO
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 04/30/2015
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Piping
Incident Mechanism 2
Incident Mechanism 3
Incident IDCO00759-3017
Incident DescriptionSand boils developed during construction near downstream toe of dam.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeS
Dam TypeRE
Primary Purpose(s)RF
EAPY
Dam Height106 ft
Max Storage (ac-ft)40654.00
Surface Area (acres)1182.00
Year Completed1908
NID NumberCO00759
River NameTWO BUTTE CREEK
Latitude37.6359
Longitude-102.538
Year Modified
Regulatory Agency(ies)DWR
Incident Time
Incident Duration
Incident Report Produced
Information SourcesCO DWR
