HYDRO31108

• Permit No: C1981041
• IBM Index Class Name: Hydrology
• Doc Date: 4/7/2005
• Doc Name: 1st Quarter 2005 Quarterly Pond Inspection Report
• From: J.E. Stover & Associates Inc
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

Page 3/3
Identification
of Pond
s During Inspection:
in Depth
!n Max Water Depth
in Max Sed. Depth
lent Level
Level
QUARTERLY POND INSPECTION REPORT
Snowca Coal Com an Quarter: First 2005
C-81-041 Inspection Date: 11-Mar-05
Sewaoe Lagoons
Areation Eva ration Eva ration Eva ration
Cell 1 Cell 2 Cella Cell o
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
NIA N/A N7A N/A
Drv Drv 3-6" Pool 3-6" Pool
Yes/No YesMo Yes/No YesMo
Erosional
Rills & Gulleys Minor Minor Minor Minor
Inadequate Vegetation Yes Yes Yes Yes
Outlet Channel Erosion N/A N/A N/A N/A
Burrows No No No No
Other No No No Na
Structural
Differential Settling
Cracks or Slides
Seepage
No
No
No
No
No
No
No
No
No
No
No
No
~purtenant Structures
Defective Spillways N/A N/A N/A N/A
Dewatering Devices Clogged N/A N/A N/A N/A
Faulty Gates, Etc. ~ N/A N/A N/A _ N/A
onal Comments Minor rills noted on the outslopes of the Cells.
Vegetation on Cell outslopes is sparse.
The bottom of the fourth cell was covered with ice.
mance Required: Embankment on all Cells needs to be graded to smooth out erosional features.
Maintenance on the Cells will be delayed until the sewage treat ®~ ~ v. ~ i~,
re-activated. Reclamation will likely occur before the system ~3g~tiVated'°~"~
e' L
• ga S J r
4V a~-
oflnspector. Jim Stover • 5~~
• ,~lorado P. E.
ern °a.

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