|
Incident ID |
NM00698-0396 |
|
Dam Name |
INTREPID POTASH SOUTH PERIMETER DAM |
|
Downstream Hazard Potential |
S |
|
State |
NM |
|
Incident Date |
12/31/2017 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Piping |
|
Incident Mechanism 2 |
Erosion |
|
Incident Mechanism 3 |
|
|
Incident Description |
Significant increase in seepage up to 1,500 gpm from one location |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
None |
|
Economic Damages (in $) |
$500,000 to $1 million |
|
Volume released at failure (ac-ft) |
|
|
Response |
Notified State official and the on-call engineer right away. Started pumping the seepage collection pond, suspended plant operation and mobilized construction equipments to construct additional seepage berms and buttress to the dam embankment. |
|
Additional Remarks or Updates |
Dam embankment was stabilized by Jan 1, 2018. Subsequent works to assess the cause and implement a permanent repair continued. The repair was completed in March 2018 and the dam was returned to full operation. |
|
Incident Time |
8:30 |
|
Incident Duration |
2 days |
|
Incident Report Produced |
Yes |
|
Information Sources |
|
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
T |
|
EAP |
N |
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
29 ft |
|
Max Storage (ac-ft) |
70 ac-ft |
|
Surface Area (acres) |
54 acres |
|
River Name |
PECOS RIVER-TR |
|
Latitude |
32.4843 |
|
Longitude |
-103.792 |
|
Regulatory Agency(ies) |
OFFICE OF THE STATE ENGINEER |
|
NID Number |
NM00698 |
|
Attachments |
|
