MARY A. BOHNKE - WY00170-2859
Incident ID WY00170-2859
Dam Name MARY A. BOHNKE
Downstream Hazard Potential L
State WY
Incident Date 05/23/2015
Incident Type Failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 Spillway Pipe Failure
Incident Mechanism 2 Overtopping
Incident Mechanism 3 Piping
Incident Description Heavy precipitation and an eroded CMP outlet caused piping overtopping
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident No
Fatalities (Number) 0
Number of People Evacuated 0
Number of Habitable Structures Evacuated 0
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $)
Volume released at failure (ac-ft) 106 ac-ft
Response
Additional Remarks or Updates Heavy precipitation (full reservoir) along with an eroded CMP outlet caused piping and eventual overtopping of the dam.
Incident Time
Incident Duration
Incident Report Produced
Information Sources Wyoming SEO
Owner Type P
Dam Type RE
Primary Purpose(s) I
EAP NR
Year Completed 1954
Year Modified 0
Dam Height 40 ft
Max Storage (ac-ft) 106 ac-ft
Surface Area (acres) 9 acres
River Name PARADISE CREEK
Latitude 42.0217
Longitude -105.24
Regulatory Agency(ies) SEO
NID Number WY00170
Attachments
Special thanks to our sustaining members