2008-05-06_REPORT - C1982057

• Permit No: C1982057
• IBM Index Class Name: REPORT
• Doc Date: 5/6/2008
• Doc Name: 2007 Annual Hydrology Report to Appendix C
• From: Seneca Coal Company
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: DTM
• Media Type: D
• Archive: No

Oct Nov Dec
2007 2.89 1.16 0.75
2006 2.70 2.36 1.60
2005 1.49 1.54 0.48
2004 0.61 3.17 1.95
2003 1.62 1.25 1.28
2002 1.31 1.41 0.72
2001 0.63 1.44 1.36
20.00 0.61 0.73 1.24
1999 2.18 1.08 1.22
1998 2.32 0.87 0.93
1997 2.10 2.74 1.55
1996 1.64 1.95 0.93
1995 0.72 2.29 0.76
1994 2.26 1.36 0.94
1993 1.19 1.23 1.27
1992 1.06 2.45 0.68
1991 3.03 1.56 1.00
1990 0.75 1.41 1.17
AVERAGE 1,62 1.67 1.10
All data from Seneca II-W Belfort rain gauge
TABLE 2
Total Precipitation in Inches, 1990 - 2007 Water Year
Seneca IIW Mine, Routt County, Colorado
Jan Feb Mar Apr May
1.35 1.58 1.29 1.20 1.11
1.64 0.66 1.66 1.08 1.18
1.53 0.93 1.66 2.49 1.16
0.88 1.36 0.57 1.76 1.12
0.70 2.28 1.91 2.60 1.74
1.03 0.83 1.22 1.29 0.29
0.87 1.42 1.31 1.47 1.19
1.65 1.61 2.06 1.35 1.79
2.08 1.14 0.74 3.28 2.31
1.86 1.78 1.98 2.39 0.70
2.51 0.82 0.55 3.44 3.07 1
3.49 2.35 0.68 1.66 1.71 1
1.27 1.17 1.28 3.89 4.36 1
0.56 1.26 0.62 2.24 1.07
2.18 1.57 1.74 2.92 1.13
0.50 1.10 1.28 1.72 2 37
1.26 0.78 1.97 1.27 1.02 1
0.66 1.77 1.33 1.21 0.98 1
1.45 1.36 1.33 2.07 1.57 1
Jun Jul Aug Sept Total

.51 0.89 1.08 2.94 16.75
.28 1.32 2.01 2.77 19.26
.10 0.39 2.28 2.28 18.76
.49 0.64 1.63 2.63 17.81
.14 0.47 1.44 1.82 18.25
.61 0.74 1.56 1.32 12.33
.87 1.56 3.22 1.47 16.81
.52 0.54 2.97 2.01 17.08
.81 2.11 1.92 1.06 19.93
.15 1.14 0.48 0.70 17.30
.27 1.98 2.38 5.84 28.25
.17 0.94 0.32 1.02 17.86
.59 0.89 1.53 2.39 22.14
.31 0.40 0.97 0.70 12.69
.79 0.36 0.55 1.28 16.21
.98 3.02 0.52 0.94 16.62
.54 1.33 1.47 2.49 18.72
.36 0.88 0.73 1.43 13.68
.14 1.09 1.53 1.95 0
0
3
1
1
0
0
0
0
2
0
0
0
17.80

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