REP22341

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 4/15/2005
• Doc Name: 2004 Annual Hydrology Report List of Tables Part 3
• From: Twentymile Coal Company
• To: DMG
• Annual Report Year: 2004
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

TABLE 59
TWEN'1'YMILE COAL COMP.4Y'Y
?OOJ e4YYUAL HYDROLOGY REPORT
•
SURFACE WATER MONTTOR4YG SITES: SIMID[ARY OF FLO W RATE DATA
STATION 2001 MEAN FLOW MAX FLOW bfLY FLOW PERIOD
STATION LOCATION YUhB3ER B2RIG. PERIOD` HISTORIC 2001 HISTORIC 2061 OF
(cfa) (06) (ab) (cfe) (cfs) RECORD
FOlDEL CRRBK
AT ECKMAN PARK 800 2.34 56.00 7,00 0.00 0.00 03(!6 -09/04
BELOW MIND. I 8 0.18 52.00 ;,ll 0.00 0.00 03/19 -09/61
ABOVE M4YE3 900 0.25 90.00 10.50 0.00 0.00 09!15 -09/04
FISH CREEK
UPSTREAM l6/lfiA IL62 180,00 4fi ]0 D.OB 2.20 03!!9 -09/03
BELOW STTE ll5 302 5.02 70.00 8.50 0.07 2.60 07/90 -09/03
ABOVE FLSHCAK TIPPLE 27A• 9.70 226.10 10.00 0.00 0.20 OUBI-09/05
DOWNSTREAM 1003` 9.62 2T2.G0 }1.00 O.GO 0.30 04/82 - 09!03
TROUT CREEK
AHOVE MIDD[E CREEK 301 3Li0 165.00 ~ 100 L00 ;.30 01181 -09104
BELOW MIDDLE CREEK 69 28.25 ;L3.25 83.50 O.ld 5.20 03!/9 -09/64
DOWNSTREe4bI 1005 2750 239.00 111.80 0.82 2.50 03/94 -09/04
DISCHARGE SlTR
FISH CREBKTIPPLE
POND E 62 0.00 0.85 0.04 0.00 0.004 03/79 -09/0;
DISCH4RGE SHES:
•
TOTAL FISH CREEK FOIDEL CRFFtc PONDD WASTE ROCK
U.G. MINE BOREHOLE PORTAL POND
I09~lli Ili l09 84 7
CLEAR Cck) (CR) (a&) Cetsl Ccts)
1983 --- ----- ----- 0.51 0
1984 0.19••• ---- Ol9••• 0.13 0
1985 0.23 ----- 0.23 0.61 0.24
1986 0.22 ---- 0.22 1.19 0.44
1987 0.34 ----- 0.34 0.31 0
1988 0.3J ----- 0.37 0.35 ••••
1989 0.33 ---- 0.33 0.45 0
1990 0.27 Olfi 0.11 0.13 0
1991 0.21 0.15 0.06 O.LI 0
L992 0.42 0.20 0.22 0.23 0.10
1993 O.i3a 0.236 0.306 0.39 0.30
1991 0.34 0.14 0.20 0.19 O.IO
1991 0.25 O.N 0.11 0.^ 0.03
1996 0.09 0.06 0.03 L06 0.12
1997 0.00 0.00 0.00 L64 0.42
1998 0.25b 0.2>b 0.00 0.70 0.84
1999 0.42 0.31 0.12 0.71 0
2000 0.81 0.52 0.29 O.ll 0
2001 0.23 0.23 0.00 0.02 0
2002 0.14 0.1; 0.00 0.02 0
2007 0.23 0.23 0.00 0.03 0
zow o.ll o.ll o.oo o.oz o
NOTES:
• SUBSIDENCE OVER I3 RT Pe4YEL, CONIRB3 UTED TO NO FLOW AT THESESHES FR02.I NLY-SEPT&\ BER 2002.
• IItRIGATION PERIOD LS NNE THROUGH SEPTEMBER
:
••• AVERAGE RATE FROMBEGBNYING OF MEASURED bBNE DISCHARGE ON MLiRCH 19.1981
`
" FLOWED FOR SHORT PERIOD DURLVG MAY 1988
a REFLECTS 1ST PANEL SOUTHDEWATERPJG ACTMITFS
b FLOWED DURING AUGUST AND SEPTEMBER, 1998
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