|
Incident ID |
CO00762-3171 |
|
Dam Name |
ALBERTA PARK |
|
Downstream Hazard Potential |
H |
|
State |
CO |
|
Incident Date |
07/18/2017 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Manmade Action |
|
Incident Mechanism 1 |
Other |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
While drilling in the embankment with hollow stem augers an apparent connection was made with a pervious seam and elevated pressures associated with the drilling process caused a surge of muddy seepage and an increase in volume of seepage from a know exit point. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
Yes |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
Drill was stopped, the hole was grouted and the situation returned to "normal". Reservoir was lowered and an emergency seepage collection system and stability butress were constructed. |
|
Additional Remarks or Updates |
developed a plan to install a filter and butress |
|
Incident Time |
|
|
Incident Duration |
2 days |
|
Incident Report Produced |
Yes |
|
Information Sources |
CO DWR |
|
Owner Type |
S |
|
Dam Type |
RE |
|
Primary Purpose(s) |
FR |
|
EAP |
Y |
|
Year Completed |
1953 |
|
Year Modified |
0 |
|
Dam Height |
32 ft |
|
Max Storage (ac-ft) |
812 ac-ft |
|
Surface Area (acres) |
39 acres |
|
River Name |
PASS CREEK-TR |
|
Latitude |
37.4703 |
|
Longitude |
-106.766 |
|
Regulatory Agency(ies) |
DWR |
|
NID Number |
CO00762 |
|
Attachments |
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