Incident ID |
IA01308-3244 |
Dam Name |
LINN GROVE MILLDAM |
Downstream Hazard Potential |
L |
State |
IA |
Incident Date |
04/22/2019 |
Incident Type |
Failure |
Incident Driver |
Hydrologic/flooding |
Incident Mechanism 1 |
Overtopping |
Incident Mechanism 2 |
|
Incident Mechanism 3 |
|
Incident Description |
Low Head Dam. Flood event cause overtopping and breaching in two locations of the abutment area. |
Named Hydrologic Event |
|
EAP Enacted (Y/N) due to Incident |
|
Fatalities (Number) |
0 |
Number of People Evacuated |
0 |
Number of Habitable Structures Evacuated |
0 |
Number of Habitable Structures Flooded |
0 |
Other Infrastructure Impacts |
None |
Economic Damages (in $) |
None |
Volume released at failure (ac-ft) |
|
Response |
|
Additional Remarks or Updates |
|
Incident Time |
|
Incident Duration |
|
Incident Report Produced |
|
Information Sources |
IA DNR |
Owner Type |
L |
Dam Type |
PG |
Primary Purpose(s) |
R |
EAP |
NR |
Year Completed |
1924 |
Year Modified |
0 |
Dam Height |
9 ft |
Max Storage (ac-ft) |
416 ac-ft |
Surface Area (acres) |
90 acres |
River Name |
LITTLE SIOUX RIVER |
Latitude |
42.8956 |
Longitude |
-95.2448 |
Regulatory Agency(ies) |
IOWA DNR |
NID Number |
IA01308 |
Attachments |
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