HYDRO22418

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

6-. •
ORCHARD VALLEY MINE

Sedimentation Ponds
Ouarterl -
Structura nspection
POND N0. S T.P9~%..G T,~~,e
Y
Quarter: ~~ Inspection Date: ~` F '/
OPERATIONAL STATUS AT TIME OF INSPECTION
Overflow Elevation: _ y7. o _ Clean Out Elevation: yo.
Approximate Water Elevation at Time of Inspection: ../..,
Approximate Sediment Elevation at Time of Inspection: g ~• D
Outflows (C.F.S.) at Time of Inspection: o
FEATURES:
AREA
YES NO
COMMENTS
EROSIONAL:
Rills and (,ullies on Embankment _J r
Inadequate Vegetation .~ _~
Outlet Channel Erosion ~ _~
Burrows _
_~ _~
Other +J ~.
STRUCTURAL:
Differential Settling ~~~_
Cracks or Slides ~ ~_
Seepage _~ ~_
Other _J x
APPURTENANT STRUCTURES: _
Defective Spillways _~~_
Dewatering Device Clogged _~ ~~
faulty•Gates, Baffles, Pumps _J~_
Other _~ _~
Au NAL COMMENTS:~~,~
MAN NANC RE U1RED: ~r/~,,~
~~/~ ~~~=
NAME OF INccrrrno•