|
Incident ID |
NE01629-3606 |
|
Dam Name |
LECHTENBERG LAMPMAN DAM |
|
Downstream Hazard Potential |
L |
|
State |
NE |
|
Incident Date |
06/24/2023 |
|
Incident Type |
Failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
Insufficient Spillway Capacity |
|
Incident Mechanism 3 |
|
|
Incident Description |
Heavy 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 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 |
Roads |
|
Economic Damages (in $) |
$1 to $100,000 |
|
Volume released at failure (ac-ft) |
700 ac-ft |
|
Response |
|
|
Additional Remarks or Updates |
Impacts 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. |
|
Incident Time |
9:30 AM |
|
Incident Duration |
3 hours |
|
Incident Report Produced |
No |
|
Information Sources |
NE DNR |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
I |
|
EAP |
NR |
|
Year Completed |
1977 |
|
Year Modified |
1993 |
|
Dam Height |
35 ft |
|
Max Storage (ac-ft) |
559 ac-ft |
|
Surface Area (acres) |
26 acres |
|
River Name |
SPRING CREEK |
|
Latitude |
42.9075 |
|
Longitude |
-98.7811 |
|
Regulatory Agency(ies) |
NE DNR |
|
NID Number |
NE01629 |
|
Attachments |
|
