2013-04-17_HYDROLOGY - C1981025 ‎(2)‎

• Permit No: C1981025
• IBM Index Class Name: Hydrology
• Doc Date: 4/17/2013
• Doc Name: 1st Quarter 2013 Quartertly Pond Inspection Report
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: BFB
• Email Name: SB1
• Media Type: D
• Archive: No

QUARTERLY POND, INSPECTION REPORT
Operator: Minrec, Inc. C- 1981 -02'�
Quarter: First 2013
Mine:
North Thompson Creek Mines
Inspection Date: 04- Mar -13
Pond Identification
P-9 Long
T -1
T -2
Type of Pond
Sediment Treatment
Treatment
Treatment
Status During Inspection:
Approximate Water Level
4' Snow /Ice Full
Full
Full
Sediment (% total storage)
10% N/A
N/A
N/A
Outflow (gpm)
0 To T -1
To T -2
—34
FeaturesProblem
Problem
Problem
Problem
Yes /No
Yes /No
Yes /No
Yes /No
Erosional
No
No
No
No
Rills & Gulleys
No
No
No
No
Inadequate Vegetation
No
No
No
No
Outlet Channel Erosion
No
No
No
No
Burrows
No
No
No
No
Other
Structural
Differential Settling
No No
No
No
Cracks or Slides
No No
No
No
Seepage
No No
No
No
Other
No No
No
No
Appurtenant Structures
Defective Spillways
No No
No
No
Dewatering Devices Clogged
No No
No
No
Faulty Gates, Etc.
No No
No
No
Other
No No
No
No
Additional Comments
Drawing D -2 -5 shows the location of the long pond & ponds T -1, T -2 and P -9.
Refuse Pond is no longer monitored.
Discharge from T -2 is being directed to Refuse Pond
Maintenance Required:
None
&941 0
SWMP Controls:
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Name of Inspector: Jim Stover
J. E. St • ®•e
Colorado P. E. 19230 Date