|
Incident ID |
SD00328-3437 |
|
Dam Name |
ELM LAKE DAM |
|
Downstream Hazard Potential |
H |
|
State |
SD |
|
Incident Date |
07/24/2020 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Spillway Chute Failure |
|
Incident Mechanism 2 |
Erosion |
|
Incident Mechanism 3 |
|
|
Incident Description |
Chute spillway damaged during heavy flow. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
Unknown |
|
Number of Habitable Structures Evacuated |
Unknown |
|
Number of Habitable Structures Flooded |
Unknown |
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
Yes |
|
Information Sources |
DENR |
|
Owner Type |
S |
|
Dam Type |
RE |
|
Primary Purpose(s) |
RS |
|
EAP |
Y |
|
Year Completed |
1937 |
|
Year Modified |
2000 |
|
Dam Height |
52 ft |
|
Max Storage (ac-ft) |
28800 ac-ft |
|
Surface Area (acres) |
1150 acres |
|
River Name |
ELM RIVER |
|
Latitude |
45.855 |
|
Longitude |
-98.705 |
|
Regulatory Agency(ies) |
DENR |
|
NID Number |
SD00328 |
|
Attachments |
Y |
