|
Incident ID |
WI00691-3501 |
|
Dam Name |
ORMSBY |
|
Downstream Hazard Potential |
L |
|
State |
WI |
|
Incident Date |
07/28/2020 |
|
Incident Type |
Failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
Erosion |
|
Incident Mechanism 3 |
|
|
Incident Description |
7+ inch 24 hr rainfall caused dam to overtop, which induced breach of the left embankment. |
|
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 |
None |
|
Economic Damages (in $) |
$1 to $100,000 |
|
Volume released at failure (ac-ft) |
125 ac-ft |
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
1 day |
|
Incident Report Produced |
Yes |
|
Information Sources |
WIDNR |
|
Owner Type |
P |
|
Dam Type |
PGRE |
|
Primary Purpose(s) |
R |
|
EAP |
Y |
|
Year Completed |
1901 |
|
Year Modified |
1950 |
|
Dam Height |
12 ft |
|
Max Storage (ac-ft) |
125 ac-ft |
|
Surface Area (acres) |
24 acres |
|
River Name |
WEST BRANCH EAU CLAIRE |
|
Latitude |
45.2569 |
|
Longitude |
-89.2486 |
|
Regulatory Agency(ies) |
WIDNR |
|
NID Number |
WI00691 |
|
Attachments |
|
