TWENTY-THREE MILE DAM - NV00110-3099
Dam Name: TWENTY-THREE MILE DAM
State: NV
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 02/08/2017
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2Reservoir Overfilling
Incident Mechanism 3
Incident IDNV00110-3099
Incident Descriptionrain on snow event that cause widespread flooding of a 680 square mile watershed. Flood overwhelmed the reservoir and spillway. Reservoir was also iced over prior to flood event.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People EvacuatedUnknown
Number of Habitable Structures EvacuatedUnknown
Number of Habitable Structures FloodedUnknown
Other Infrastructure ImpactsRoads, Railroads
Economic Damages (in $)Unknown
Response
Volume released at failure (ac-ft)8700
Additional Remarks or Updatescurrently under litigation
Owner TypeP
Dam TypeRE
Primary Purpose(s)CIP
EAPNR
Dam Height47 ft
Max Storage (ac-ft)8700.00
Surface Area (acres)100.00
Year Completed
NID NumberNV00110
River NameTHOUSAND SPRINGS CREEK
Latitude41.53
Longitude-114.363
Year Modified
Regulatory Agency(ies)NEVADA DWR
Incident Time
Incident Duration
Incident Report ProducedYes
Information Sources
