|
Incident ID |
IA01297-600 |
|
Dam Name |
LAKE DELHI DAM |
|
Downstream Hazard Potential |
S |
|
State |
IA |
|
Incident Date |
07/25/2010 |
|
Incident Type |
Failure |
|
Incident Driver |
Unknown |
|
Incident Mechanism 1 |
Under Investigation |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Heavy rain in the area caused the dam to overtop and fail. The dam had three gates at least one of which was not operating properly and only partially open at the time of the flood. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
900 |
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
1100 |
|
Other Infrastructure Impacts |
None |
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
9930 ac-ft |
|
Response |
|
|
Additional Remarks or Updates |
NID indicates that the dam did not have an EAP.
|
|
Incident Time |
12:00 AM |
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
P |
|
Dam Type |
PG |
|
Primary Purpose(s) |
R |
|
EAP |
NR |
|
Year Completed |
1922 |
|
Year Modified |
0 |
|
Dam Height |
55 ft |
|
Max Storage (ac-ft) |
9920 ac-ft |
|
Surface Area (acres) |
440 acres |
|
River Name |
MAQUOKETA RIVER |
|
Latitude |
42.4081 |
|
Longitude |
-91.3454 |
|
Regulatory Agency(ies) |
IOWA DNR |
|
NID Number |
IA01297 |
|
Attachments |
|
