2018-01-17_HYDROLOGY - C1981025 ‎(2)‎

• Permit No: C1981025
• IBM Index Class Name: Hydrology
• Doc Date: 1/17/2018
• Doc Name: Quarterly Sediment Pond/Impoundment Report
• From: J. E. Stover & Associates, Inc.
• To: DRMS
• Annual Report Year: 2017
• Report Quarter_Month: 4
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: CCW
• Media Type: D
• Archive: No

Identification
of Pond
s During Inspection:
iximate Water Level
lent (% total storage)
w (gpm)
Rills & Gulleys
Inadequate Vegetation
Outlet Channel Erosion
Burrows
Other
Differential Settling
Cracks or Slides
Seepage
Other
purtenant Structures
Defective Spillways
Dewatering Devices Clogged
Faulty Gates, Etc.
Other
Comments
Required:
of Inspector: Stan Muhr
AT�77N011?61ax14yro7IM7A01A
Minrec,lnc. C-1981-025
North Thompson Creek Mines
Quarter: Fourth 2017
Inspection Date: 31 -Oct -17
Long
T-1
T-2
P-9 Refuse Pond
Treatment
Treatment
Treatment
Sediment Sediment
Full
Full
Full
7503
7420
N/A
N/A
N/A
10%
0%
To T-1
To T-2
5 to 10 gpm
< 5 gpm
0
Pond 9, Bottom Elev 7496. Invert of emergency spillway elev 7503.
Refuse Pond, Bottom Elev 7418. Invert of emergency spitway elev 7425.7.
Problem
Problem
Problem
Problem
Problem
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Colorado ik80
Date
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No No No No
No
No No No No
No
No No No No
No
No No No No
No
Drawing D-2-5 shows the location of the long pond & ponds T-1, T-2 and P-9.
Discharge from T-2 is being directed to Pond 9.
Pond 9 Emenercy spillway has be redirected to the ditch to the refuse pond.
Pond 9, Bottom Elev 7496. Invert of emergency spillway elev 7503.
Refuse Pond, Bottom Elev 7418. Invert of emergency spitway elev 7425.7.
None,;
,
IQ
n
J.
Colorado ik80
Date