HYDRO31663

• Permit No: C1981010
• IBM Index Class Name: Hydrology
• Doc Date: 3/22/1990
• Doc Name: TRAPPER MINE FIRST QUARTER 1990 SEDIMENT POND INSPECTIONS
• From: TRAPPER MINING INC
• To: MLRD
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

107.5.8
/ST ORTR SQ
QUARTERLY SEDIMENT POND INSPECTION REPORT
OPERATOR: TRAPPER MINING INC. MINE: TRAPPER MINE
DATE OF
INSPECTOR: N/F(bppll~fr SIGNATURE: /G~//' ~ INSPECTION: 3 / ~.9/ ~v
DRAINAGE: Ct:IST BuZ2-RfaD
POND IDENTIFICATION DAM# ~ DAM# Z DAM DAM# DAN
TYPE OF POND SED t M EKT
OPERATIONAL STATUS AT TIME OF INSPECTION ^ b°*` III E
Approximate water level: #i flS'~.~ s/
Sediment level (°,6 total storage): ~~ /O `., ,y Z "S`/o
Outflow (cfs): _~f/ CZS ~b' ~ d,
FEATURES PROBLEM COMMENTS
EROSIONAL: YES/NO
Rills and/or gullies on downstream face. _/ ti e~.v~a ~~ w ~ fi •~•~ g---~
'Rills and/or gullies on upstream face. /~ rJ z ~~-
Inadequate vegetation. _
/ x
Outlet channel erosion. _/~
Burrows. _/ K
•Erosion of toe. / x
•Water impounded against toe. _
% x
Other. _
_/ X
STRUCTURAL: YES/NO
Differential settling. _/ >C
Cracks, slides, or scarps. J X
'Seepage (specify location, color, value). _
% ~c
Other. _
_/ X
APPURTENANT STRUCTURES: YES/NO
Defective spillways. J x
•Dewatering device clogged. _
% X
Faulty gates, baffles, pumps. _
% x
'Cracking or crushing of pipes. _
% X "'~R "` ~''~'~~`
Other. _
_/~
ADDITIONAL COMMENTS: F•.~H~ vu'j^.~ sr'~'-"'^'' ~•"«~~~ 3r s..l~ ~.r.-F,Y
MAINTENANCE REQUIRED: s,~~..~ ~5:~*~,.n~ GGcr~ 4~/~rrm.:~-
WSH/rbb/4/89