|
Incident ID |
MO31851-3174 |
|
Dam Name |
SILVER LAKE DAM |
|
Downstream Hazard Potential |
H |
|
State |
MO |
|
Incident Date |
05/01/2017 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Excessive/increased Seepage |
|
Incident Mechanism 2 |
Erosion |
|
Incident Mechanism 3 |
|
|
Incident Description |
Elevated seepage rate through dam caused erosion to occur on the face of the dam. |
|
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 |
None |
|
Economic Damages (in $) |
None |
|
Volume released at failure (ac-ft) |
|
|
Response |
Owners reduced lake level with siphons until repair was made. |
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
2 weeks |
|
Incident Report Produced |
No |
|
Information Sources |
MO DNR |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
T |
|
EAP |
Y |
|
Year Completed |
1981 |
|
Year Modified |
0 |
|
Dam Height |
80 ft |
|
Max Storage (ac-ft) |
4900 ac-ft |
|
Surface Area (acres) |
118 acres |
|
River Name |
DITCH CREEK |
|
Latitude |
38.1893 |
|
Longitude |
-90.7567 |
|
Regulatory Agency(ies) |
DAM AND RESERVOIR SAFETY PROG |
|
NID Number |
MO31851 |
|
Attachments |
|
