|
Incident ID |
IN00485-2564 |
|
Dam Name |
KEYSTONE WOODS LAKE DAM |
|
Downstream Hazard Potential |
H |
|
State |
IN |
|
Incident Date |
03/31/2015 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Spillway Pipe Failure |
|
Incident Mechanism 2 |
Sinkhole |
|
Incident Mechanism 3 |
|
|
Incident Description |
Actively growing sinkhole (about 3 by 5 feet in area, and about 5 feet deep) in the dam. A field visit confirmed the sinkhole had formed over the noticeably deteriorated 36¿ corrugated metal principal spillway pipe. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
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Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
R |
|
EAP |
N |
|
Year Completed |
1973 |
|
Year Modified |
0 |
|
Dam Height |
22 ft |
|
Max Storage (ac-ft) |
179 ac-ft |
|
Surface Area (acres) |
7 acres |
|
River Name |
UNNAMED TRIBUTARY BLUE WOODS CREEK |
|
Latitude |
39.9464 |
|
Longitude |
-86.1056 |
|
Regulatory Agency(ies) |
IDNR |
|
NID Number |
IN00485 |
|
Attachments |
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