MARY A. BOHNKE - WY00170-2859
Dam Name: MARY A. BOHNKE
State: WY
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 05/23/2015
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Spillway Pipe Failure
Incident Mechanism 2Overtopping
Incident Mechanism 3Piping
Incident IDWY00170-2859
Incident DescriptionHeavy precipitation and an eroded CMP outlet caused piping overtopping
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)
Response
Volume released at failure (ac-ft)106
Additional Remarks or UpdatesHeavy precipitation (full reservoir) along with an eroded CMP outlet caused piping and eventual overtopping of the dam.
Owner TypeP
Dam TypeRE
Primary Purpose(s)I
EAPNR
Dam Height40 ft
Max Storage (ac-ft)106.00
Surface Area (acres)9.00
Year Completed1954
NID NumberWY00170
River NamePARADISE CREEK
Latitude42.0217
Longitude-105.24
Year Modified
Regulatory Agency(ies)SEO
Incident Time
Incident Duration
Incident Report Produced
Information SourcesWyoming SEO
