2016-01-20_HYDROLOGY - C1996083

• Permit No: C1996083
• IBM Index Class Name: Hydrology
• Doc Date: 1/20/2016
• Doc Name: 4th Quarter 2015 Sediment Pond
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

Pond Identification
Type of Pond
Status During Inspection:
Approximate Water Level
Sediment (% remaining)
Outflow (cfs)
QUARTERLY POND INSPECTION REPORT
T
Bowie Resources LLC Quarter: Fourth 2015
Bowie No. 2 Mine - C-1996-083 Inspection Date: 07 -Dec -15
B I C D - Gob Pile F - New Gob J UTL East K UTL West
Sediment I Sediment Sediment Sediment Sediment Sediment
5944 5993
5971
5988
5850
D
90% 80%
90%
60%
1
40%
80%
0 0
a
0
0
0
Features
Problem Problem
Problem
Problem
Problem
Problem
Yes/No Yes/No
Yes/No
YesfNo
Yes/No
Yes/No
Erosional
No
No
No
No
No
No
Rills & Gulleys
No
No
No
No
No
No
Inadequate Vegetation
No
No
No
No
No
No
Outlet Channel Erosion
No
No
No
No
No
No
Burrows
No
No
No
No
No
No
Other
Structural
Differential Settling
No No No
No
No
No
Cracks or SlidesNo
No No
No
No
No
Seepage
No No No
No
No
No
Other
No No No
No
No
No
Appurtenant Structures
Defective Spillways
No No No
No
No
No
Dewatering Devices Clogged
No No No
No
No
No
Faulty Gates, Etc,
No No No
No
No
No
Other
No No No
No
No
No
Additional Comments
Design depth measured from pond bottom to invert of emergency spillway:
Pond B=10, C=10, D=10, J=10, K=3, F=10' TD
Pond Bottom Elevations B=5942, C=5990, D=5970, J=5846, F=5944, K=5819
Clean out of Pond B was completed during the quarter
Pond C held approximately 4 feet of water and sediment
Pond D contained very little water and very little sediment
Pond J held about 4 feet of water &sediment
Pond K was dry
Pond F held about 4 feet of water and sediment..
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There were no mud pits open at the end of the quarter.
m
ntenance Required:
no of Inspector: Tamme Bishop
Tamme Bishop.
Colorado P. E. 43402 Date