|
Incident ID |
SD00040-3249 |
|
Dam Name |
HIDDEN TIMBER |
|
Downstream Hazard Potential |
L |
|
State |
SD |
|
Incident Date |
03/23/2019 |
|
Incident Type |
Failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Unknown |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
|
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
Unknown |
|
Volume released at failure (ac-ft) |
|
|
Response |
post failure site visit by owner staff |
|
Additional Remarks or Updates |
low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain, the primary incident mechanism was likely overtopping |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
No |
|
Information Sources |
SD DENR |
|
Owner Type |
S |
|
Dam Type |
RE |
|
Primary Purpose(s) |
PR |
|
EAP |
NR |
|
Year Completed |
1933 |
|
Year Modified |
1959 |
|
Dam Height |
18 ft |
|
Max Storage (ac-ft) |
824 ac-ft |
|
Surface Area (acres) |
32 acres |
|
River Name |
ANTELOPE CREEK |
|
Latitude |
43.2317 |
|
Longitude |
-100.415 |
|
Regulatory Agency(ies) |
DENR |
|
NID Number |
SD00040 |
|
Attachments |
|
