LECHTENBERG LAMPMAN DAM - NE01629-3606
Dam Name: LECHTENBERG LAMPMAN DAM
State: NE
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 06/24/2023
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2Insufficient Spillway Capacity
Incident Mechanism 3
Incident IDNE01629-3606
Incident DescriptionHeavy rain and flooding overwhelmed the dam's spillways. The dam owner said the dam stared overtopping at about 6:30 a.m. and it failed about 3 hours later.
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 ImpactsRoads
Economic Damages (in $)$1 to $100,000
Response
Volume released at failure (ac-ft)700
Additional Remarks or UpdatesImpacts were principally limited to downstream pasture, damage to fence lines, and county roads. Downstream dam captured flow and released the flow through its auxiliary spillway without failing.
Owner TypeP
Dam TypeRE
Primary Purpose(s)I
EAPNR
Dam Height35 ft
Max Storage (ac-ft)559.50
Surface Area (acres)26.00
Year Completed1977
NID NumberNE01629
River NameSPRING CREEK
Latitude42.9075
Longitude-98.7811
Year Modified
1993
Regulatory Agency(ies)NE DNR
Incident Time9:30 AM
Incident Duration3 hours
Incident Report ProducedNo
Information SourcesNE DNR
