Incident ID |
CO01772-3449 |
Dam Name |
JOHNSTOWN |
Downstream Hazard Potential |
H |
State |
CO |
Incident Date |
09/25/2020 |
Incident Type |
Non-failure |
Incident Driver |
Manmade Action |
Incident Mechanism 1 |
Accident Or Misoperation |
Incident Mechanism 2 |
Excessive/increased Seepage |
Incident Mechanism 3 |
|
Incident Description |
|
Named Hydrologic Event |
|
EAP Enacted (Y/N) due to Incident |
Yes |
Fatalities (Number) |
0 |
Number of People Evacuated |
0 |
Number of Habitable Structures Evacuated |
0 |
Number of Habitable Structures Flooded |
0 |
Other Infrastructure Impacts |
|
Economic Damages (in $) |
|
Volume released at failure (ac-ft) |
|
Response |
|
Additional Remarks or Updates |
|
Incident Time |
11:50 AM |
Incident Duration |
2 days |
Incident Report Produced |
Yes |
Information Sources |
CO DWR |
Owner Type |
L |
Dam Type |
RE |
Primary Purpose(s) |
S |
EAP |
Y |
Year Completed |
1953 |
Year Modified |
0 |
Dam Height |
16 ft |
Max Storage (ac-ft) |
258 ac-ft |
Surface Area (acres) |
34 acres |
River Name |
BIG THOMPSON RIVER-OS |
Latitude |
40.3375 |
Longitude |
-104.959 |
Regulatory Agency(ies) |
DWR |
NID Number |
CO01772 |
Attachments |
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