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Incident ID |
IA00717-3358 |
|
Dam Name |
UPPER BEAVER SUBWATERSHED SITE M-1 |
|
Downstream Hazard Potential |
L |
|
State |
IA |
|
Incident Date |
03/01/2019 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Deterioration Or Poor Condition |
|
Incident Mechanism 1 |
Spillway Erosion/head Cutting |
|
Incident Mechanism 2 |
Accident Or Misoperation |
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Incident Mechanism 3 |
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|
Incident Description |
Clogged spillway inlet and high auxiliary spillway flows resulted in significant erosion of the auxiliary spillway channel. |
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Named Hydrologic Event |
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EAP Enacted (Y/N) due to Incident |
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Fatalities (Number) |
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Number of People Evacuated |
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Number of Habitable Structures Evacuated |
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Number of Habitable Structures Flooded |
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Other Infrastructure Impacts |
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Economic Damages (in $) |
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Volume released at failure (ac-ft) |
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Response |
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Additional Remarks or Updates |
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Incident Time |
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Incident Duration |
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Incident Report Produced |
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|
Information Sources |
IA Dam Safety |
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
PC |
|
EAP |
NR |
|
Year Completed |
1967 |
|
Year Modified |
0 |
|
Dam Height |
60 ft |
|
Max Storage (ac-ft) |
194 ac-ft |
|
Surface Area (acres) |
8 acres |
|
River Name |
TR-BEAVER CREEK |
|
Latitude |
42.0612 |
|
Longitude |
-95.8452 |
|
Regulatory Agency(ies) |
IOWA DNR |
|
NID Number |
IA00717 |
|
Attachments |
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