|
Incident ID |
TN07107-3509 |
|
Dam Name |
LEISURE LAKE |
|
Downstream Hazard Potential |
H |
|
State |
TN |
|
Incident Date |
02/21/2023 |
|
Incident Type |
Failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Excessive/increased Seepage |
|
Incident Mechanism 2 |
Spillway Pipe Failure |
|
Incident Mechanism 3 |
Other |
|
Incident Description |
Principal spillway was abandoned improperly without engineering oversight. Flow around plug led to failure of old spillway pipe. Portion of upstream slope eroded as a result; lake completely dewatered. |
|
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 $) |
Unknown |
|
Volume released at failure (ac-ft) |
50 ac-ft |
|
Response |
Owner notified Safe Dams staff hours after failure. Failure was confined to spillway conduit, so impacts were limited. |
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
1 day |
|
Incident Report Produced |
Yes |
|
Information Sources |
TN Safe Dams |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
R |
|
EAP |
Y |
|
Year Completed |
1999 |
|
Year Modified |
0 |
|
Dam Height |
32 ft |
|
Max Storage (ac-ft) |
83 ac-ft |
|
Surface Area (acres) |
6 acres |
|
River Name |
TRIBHOUSTON BRANCH |
|
Latitude |
35.0292 |
|
Longitude |
-88.2458 |
|
Regulatory Agency(ies) |
TENN SAFE DAMS PRG |
|
NID Number |
TN07107 |
|
Attachments |
Y |
