BOURBANIS DAM - ND00083-1942


Incident ID ND00083-1942
Dam Name BOURBANIS DAM
Downstream Hazard Potential S
State ND
Incident Date 05/21/2013
Incident Type Non-failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 High Reservoir Level
Incident Mechanism 2
Incident Mechanism 3
Incident Description Watershed received 4-6 inches of rain on May 20, 2013. The reservoir was already full from heavy late season snow and late season snowmelt runoff. Water flowed through the dam's earthen auxiliary spillway on May 21-22, 2013 and again on May 31, 2013.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident Yes
Fatalities (Number)
Number of People Evacuated 0
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $)
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates The dam's auxiliary spillway was damaged. Flow through the spillway resulted in a major headcut at the downstream end of the auxiliary spillway, and a signifcant erosion channel at the entrance to the auxiliary spillway.
Incident Time
Incident Duration
Incident Report Produced
Information Sources
Owner Type L
Dam Type RE
Primary Purpose(s) CF
EAP N
Year Completed 1957
Year Modified 1984
Dam Height 76 ft
Max Storage (ac-ft) 1502 ac-ft
Surface Area (acres) 9 acres
River Name TONGUE RIVER-TR
Latitude 48.7844
Longitude -97.9801
Regulatory Agency(ies) NDSWC
NID Number ND00083
Attachments