HYDRO20032

• Permit No: C1981038
• IBM Index Class Name: Hydrology
• Doc Name: 2nd Qtr 1991 & 1992 PONDS INSPECTION
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

• ORCHARD VALLEY MINE •
Sedimentation Ponds
Ouarterl ---
Structure nspection
POND N0. ~
Quarter: ~.~ Inspection Oate: '23=1 2-
OPERATIONAL STATUS AT TIME OF INSPECTION
Overflow Elevation: _ iov ~ Clean Out Elevation: 9 ~. 8
Approximate Water Elevation at Time of Inspection: /~,.~
Approximate Sediment Elevation at Time of Inspection: yj y
Outflows (C.F.S.) at Time of Inspection: U
FEATURES:
ARFA
YES Nn rn1~6NTc
EROSIONAL:
Rills and Gullies on Embankment r~
_J
Inadequate Vegetation _
~ ~_
Outlet Channel Erosion ~ _~
Burrows _J ~!

Other _
_J ~_
STRUCTURAL:
Differential Settling ,J
Cracks or Slides _
~ ~r _
Seepage _~ ~_
Other _~~_
APPURTENANT STRUCTURES: _
Defective Spillways _~ ~_
Dewatering Device Clogged _J ~_
faulty•Gates, Baffles, Pumps _~_~
Other _.J ~_
Au NAL COr+MEniS:y~
MA NTENANC REQUIRED:
//~nt
NAME OF iN~ocr-no• ~~~~