HYDRO20096

• Permit No: C1981038
• IBM Index Class Name: Hydrology
• Doc Date: 1/24/1991
• Doc Name: 1st Qtr 1991 SEDIMENTATION POND INSPECTION
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

• ORCHARD VALLEY MINE •
• Sedimentation Ponds
Ouarterl -
Structure nspection
POND N0. Z
Quarter: ~st Inspection Date: ~~~7 s'/
OPERATIONAL STATUS AT TIME OF INSPECTION
Overflow Elevation: _ioo•o Clean Out Elevation: f3! S"
Approximate Water Elevation at Time of Inspection: g/. 5
Approximate Sediment Elevation at Time of Inspection: S/, o
Outflows (C.F.S.) at Ttme of Inspection: Q
FEATURES:
aQFa
YES NO
COMMENTS
EROSIONAL:
Rills and fullies on Embankment _~ ~
Inadequate Vegetation _~ ~c_
Outset Channel Erosion _J ~_
Burrows -J ~c _
Other _~ ~r _
STRUCTURAL:
Differential Settling _~ ~
Cracks or Slides ~ ~_
Seepage _~ ~_
Other _J ~_
APPURTENANT STRUCTURES: _
Defective Spillways _~ ~
Dewatering Device Clogged _~__~
Faulty Gates, Baffles, Pumps ~J_~
Other _~ _~
AU NAL COM~4ENTS:~~~e

MA NTENANC REOUIREO:,,{{/
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NAME ~F tNcocr~nv• ~°''/~ ~'""