|
Incident ID |
NV00000-3436 |
|
Dam Name |
SPROUSE RESERVOIR DAM |
|
Downstream Hazard Potential |
L |
|
State |
NV |
|
Incident Date |
08/06/2022 |
|
Incident Type |
Failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Spillway Deficiency |
|
Incident Mechanism 2 |
Overtopping |
|
Incident Mechanism 3 |
|
|
Incident Description |
Illegal dam with undersized auxiliary spillway was overtopped after a monsoonal storm rained 10-15 miles up valley from the dam. |
|
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 |
Other |
|
Economic Damages (in $) |
$1 to $100,000 |
|
Volume released at failure (ac-ft) |
21.5 ac-ft |
|
Response |
Owners watched the dam fail and flood their fields. State employees made a site visit the following Monday to investigate dam and failure. |
|
Additional Remarks or Updates |
Irrigated fields flooded and irrigation water source lost resulting in a loss of an alfalfa cutting for eight irrigated fields. |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
No |
|
Information Sources |
NEVADA DWR |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
I |
|
EAP |
NR |
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
12 ft |
|
Max Storage (ac-ft) |
21 ac-ft |
|
Surface Area (acres) |
5 acres |
|
River Name |
DUCKWATER CREEK |
|
Latitude |
38.8497 |
|
Longitude |
-115.66 |
|
Regulatory Agency(ies) |
NEVADA DWR |
|
NID Number |
NV00000 |
|
Attachments |
|
