SPROUSE RESERVOIR DAM - NV00000-3436
Dam Name: SPROUSE RESERVOIR DAM
State: NV
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 08/06/2022
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Spillway Deficiency
Incident Mechanism 2Overtopping
Incident Mechanism 3
Incident IDNV00000-3436
Incident DescriptionIllegal dam with undersized auxiliary spillway was overtopped after a monsoonal storm rained 10-15 miles up valley from the dam.
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 ImpactsOther
Economic Damages (in $)$1 to $100,000
ResponseOwners watched the dam fail and flood their fields. State employees made a site visit the following Monday to investigate dam and failure.
Volume released at failure (ac-ft)21.5
Additional Remarks or UpdatesIrrigated fields flooded and irrigation water source lost resulting in a loss of an alfalfa cutting for eight irrigated fields.
Owner TypeP
Dam TypeRE
Primary Purpose(s)I
EAPNR
Dam Height12 ft
Max Storage (ac-ft)21.50
Surface Area (acres)5.00
Year Completed
NID NumberNV00000
River NameDUCKWATER CREEK
Latitude38.8497
Longitude-115.66
Year Modified
Regulatory Agency(ies)NEVADA DWR
Incident Time
Incident Duration
Incident Report ProducedNo
Information SourcesNEVADA DWR
