2009-02-04_REPORT - C1981041 ‎(2)‎

• Permit No: C1981041
• IBM Index Class Name: REPORT
• Doc Date: 2/4/2009
• Doc Name: 2008 Annual Hydrology Report
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Annual Report Year: 2008
• Permit Index Doc Type: Hydrology Report
• Email Name: MPB
• Media Type: D
• Archive: No

Snowcap Coal Company, Inc.
COTTONWOOD AND RAPID CREEK FLOWS
SWGS-01 Flows
Water Year October July August September
1985 3.64
1986 - 6.10 - -
1987 - 2.70 2.31 1.27
1988 1.90 1.71 1.06 1.68
1989 1.80 0.88 0.80 <0.56
1990 0.71 <0.73 <0.72 <0.70
1991
<0.92 <1.24
<0.56
<0.60
1992 <0.84 1.67 1.02 1.06
1993 1.16 2.55 1.93 1.24
1994 2.05 1.75 1.53 1.61
1995 1.45 - 1.08 0.88
1996 1.53 0.85 0.62 0.99
1997 0.99 0.99 1.37 1.48
1998 2.78 - - 2.10
1999 1.55 2.04 1.75 2.04
2000 1.69 <0.36 <0.33 <0.65
2001
<0.43 <0.37
<0.69
<0.19
2002 <0.33 - <0.13 <0.37
2003
<0.49 <0.06
<0.02
<0.12
2004 <0.01 0.85 0.88 2.52
2005 1.26 - 2.79 1.66
2006 2.95 - 1.30 1.64
2007 2.51 0.86 0.90 0.90
2008 0.85 1.48 0.97 1.07
SWGS-02 Flows
Water Year October July August September
1985 0.81 0.65 1.00 0.48
1986 0.79 1.02 0.46 0.53
1987 0.74 1.02 0.57 0.48
1988 0.53 0.44 0.32 0.39
1989 0.38 <0.26 <0.26 <0.26
1990
<0.26 <0.26
<0.26
<0.26
1991
<0.26
-
<0.26
<0.26
1992 <0.26 <0.38 <0.26 <0.28
1993 <0.26 - 0.50 0.49
1994 0.62 <0.26 <0.26
1995 0.35 - 0.56 0.`

1996
0.86 26
<0.26
1997 0.54 0.61 0.80
1998 0.84 - - 0.46
1999 0.67 0.54 0.48 0.52
2000 0.48 0.34 <0.23 <0.22
2001 0.33 0.31 <0.24 <0.17
2002 0.30 <0.26 <0.26 <0.26
2003
<0.11 <0.04
<0.02
<0.12
2004 <0.23 0.26 0.32 -
2005 - >3.50 0.85 0.76
2006 0.77 0.50 0.11 0.21
2007 0.53 0.63 0.62 0.32
2008 0.44 0.86 0.38 0.27
SWGS-03 Flows
Water Year October July August September
1985 1.15 - - 0.28
1986 - 2.65 0.58
1987 - 0.75 0.34 0.20
1988 0.40 0.92 0.31 0.37
1989 <0.16 <0.26 <0.17 <0.15
1990
<0.16 <0.15
<0.15
<0.15
1991
<0.24 <0.50
<0.29
<0.21
1992 0.25 0.81 0.43 0.55
1993 0.43 - 0.91 0.49
1994 0.80 1.90 0.79 0.64
1995 0.42 - 1.11 0.66
1996 0.45 <0.35 <0.15 <0.24
1997 - 1.70 0.75 0.91
1998 0.71 - - -
1999 0.36 0.89 0.47 0.34
2000 0.71 0.35 <0.05 <0.02
2001
<0.03 <0.09
<0.01
<0.00
2002
<0.01 <0.15
<0.15
<0.04
2003 <0.02 <0.06 0.00 0.00
2004 <0.02 0.51 0.00 0.52
2005 0.58 3.42 0.69 0.96
2006 1.65 0.90 0.13 0.09
2007 0.48 0.70 0.15 0.08
2008 0.13 1.00 0.51 0.12
Indicates months when less than 1/2 of the month's information was available
< Indicates months when part or all of the readings were below the minimum recording
level. Minimum recording levels are: 01 - 0.56 CFS, 02 - 0.26 CFS, and 03 - 0.15 CFS
08AHR Table S08-1
02109