|
Incident ID |
WI00655-3572 |
|
Dam Name |
INDIANFORD |
|
Downstream Hazard Potential |
L |
|
State |
WI |
|
Incident Date |
01/03/2023 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Manmade Action |
|
Incident Mechanism 1 |
Sinkhole |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Sinkhole discovered behind tailrace retaining wall D/S of powerhouse on west side of river, believed to be partially caused by high flows through the west bay of the powerhouse following completion of planned repairs. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
$1 to $100,000 |
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
WI Dam Safety |
|
Owner Type |
L |
|
Dam Type |
PG |
|
Primary Purpose(s) |
R |
|
EAP |
Y |
|
Year Completed |
1932 |
|
Year Modified |
0 |
|
Dam Height |
13 ft |
|
Max Storage (ac-ft) |
107000 ac-ft |
|
Surface Area (acres) |
10460 acres |
|
River Name |
ROCK |
|
Latitude |
42.8034 |
|
Longitude |
-89.0891 |
|
Regulatory Agency(ies) |
WIDNR |
|
NID Number |
WI00655 |
|
Attachments |
|
