|
Incident ID |
TN00000-3510 |
|
Dam Name |
McDonald Farm Dam |
|
Downstream Hazard Potential |
L |
|
State |
TN |
|
Incident Date |
02/27/2023 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Other |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Abandoned spillway conduit failed. Seepage around concrete plug and internal erosion led to significant subsidence on the crest and upstream slope. |
|
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) |
|
|
Response |
Hamilton County notified Safe Dams 1 day after event. |
|
Additional Remarks or Updates |
Safe Dams program became aware of dam in 2022 after property was purchased by Hamilton County. GeoSyntec had been hired to look at rehabilitation options. |
|
Incident Time |
|
|
Incident Duration |
1 day |
|
Incident Report Produced |
No |
|
Information Sources |
TN Safe Dams |
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
|
|
EAP |
N |
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
0 ft |
|
Max Storage (ac-ft) |
0 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
|
|
Latitude |
35.4271 |
|
Longitude |
-85.1073 |
|
Regulatory Agency(ies) |
|
|
NID Number |
TN00000 |
|
Attachments |
Y |
