REP45377

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/16/2005
• Doc Name: 2004 AHR Section 2
• From: Colowyo Coal Company L.P.
• To: DMG
• Annual Report Year: 2004
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

COLOWVO MINE
Colowyo C7>al Company, L.P.
Water duality Data
1992-2004
New Upper Good Spring Creek
(NUGSC)
Listing of Stream Lab daG
Flow Field Field Field Lab Lab T0.S NO3 NO2 NO3+NO2 NH3 Total Biearb Ambig.SM Ambig. SN Ambig. SN Ambig. SN Ambig. SN Ambig. SM Ambig. SM Ambig.SM A mbig. SViAmbig.SW
No datum=> Blank Rate pH Temp Conduct pH Conduct -180 TSS as N as N as N as N P as CaCO3 Sulfate As Ca F¢ Pb Mg Mn Hg S¢ Na Zn
ds S.U. tlegC umhdcm S.U. umhdcm mg4 mg/I mg/I mg/I mg/I mg4 mg/I mg/l mgll mg4 mg/I mgll mg4 mg/I m84 mg/I mgll mg/I mg8
Statistics
Mean 3.10 8.26 7.65 7462.67 8.05 1519.52 1148.57 50.30 3.90 0,02 3.93 0.77 0.08 37020 528.07 0.00 12960 0.87 0.03 128.25 0.05 0.00 0.01 45.67 0.03
Std. Dev. 3.20 0.35 5.19 457.05 0.23 299.95 270.94 119.34 1.21 0,02 1.34 0.55 0.15 4fi.03 150.2fi 0.00 18.39 1.83 0.03 30.76 OOfi 0.00 0.01 13.74 0.04
Coef. Var.
Range 79.8 2.24 22.5 3023 1 2842 1250 992 5.08 0.09 6.32 3.79 0.855 225 760 0.004fi 92 8.53 0.1899 772.fi 0.285 0.001 0.035 58.1 0.19
Max 20 9.4 22.6 3650 B.5 3600 1670 994 6.4 0.1 6.9 3.H4 086 440 930 0.005 769 8.54 0.2 228 029 0.007 0036 75 02
Min 0.2 7.16 0.7 627 7.5 758 360 2 1.32 0.07 0.58 0.05 0.005 215 170 0.0006 77 0.01 0.0007 55.4 0.005 0 0001 16.9 0.01
Max at 427/1998 11/1817997 7/82002 31611998 d27/1998 3/617998 816/2001 5127/1993 11/12004 71/52007 11/18/1994 9/73 n995 1/1/7999 8/10/2004 7/&2002 11H2004 &212002 5117/1999 '5172007 817/2002 5177/1999 Y/2001 7/31/2000 8/23/7994 1022000
Min at 3/18/1996 7/11 2002 72/1& 7996 4/82002 10242002 527/1993 5/82002 9130/1994 520/1997 70242002 427/1998 10242W2 9/17/7997 10/817998 520/1997 5/&2002 6/111993 2/112002 6282(82 427/1998 31142002 N1/1990 520/1997 427/1998 70242002
#Of Samples 738 109 143 167 146 146 51 142 35 35 59 48 51 59 67 67 92 70 67 92 65 59 59 59 59
Station Sample FIOW Field Field Field Lab Lab TDS NO3 NO2 NO3+NO2 NH3 Total Bicarb Ambig. SY1 Ambig. SM Ambig. SN Ambig. SM Ambig. SA Ambig. SM Ambig. SN Ambig. SN Ambig. SV~Ambig. SW
Name Date Rate pH Temp Conduc[ pH Conduct -780 T55 as N as N as N as N P es CaCO3 Sulfate As Ca Fa Pb Mg Mn Hg Se Na Zn
<fs S.U. degC umhdcm S.U. umholcm mg8 mgll mg8 mg8 mg/I mg/I mg/I myl mg/I mgn mgll mg4 mgll mgll mg0 mgA mg4 mg8 mgll
NUGSC 8/6/2001 2.04 8.14 12.1 1362 8 1530 1610 14 d.B2 0,02 4.82 0.3 0.02 388 640 0.007 141 0.17 0.04 153 0.029 0.0002 0.076 dfi.d 0.01
NUGSC 9202001 0.46 8.19 9.6 1630 B.1 77fi0 1400 6 6 0,05 6 0.05 0.03 403 690 0.001 138 0.07 O.Od 157 0.009 0.0002 0.078 50.5 0.01
NUGSC 10/12007 2.38 839 6.3 7004 0.3 7350 5 99.4 89.7
NUGSC 10/172007 0.42 8.79 4.B 1223 710 0.001 750 0.03 0.007 187 0.005
NUGSC 77/52001 0.4q 8.21 4.1 1i83 8.1 1450 7390 5 5.8 0.7 5.8 0.23 0.02 353 680 0.001 138 0.04 0.007 143 0.005 0.0002 0.005 53 0.01
NUGSC 71/52001 O.dd 8.21 4.4 1183 660 0.001 747 004 0.001 161 0.006
NUGSC 77/52007 0.58 7.93 2.3 7310 7.9 1840 70 753 765
NUGSC 1/72002 8.23 1.1 1263 B 1740 12 690 0.007 153 0.02 0.0001 156 0.011
NUGSC 7/112002 7.16 7.4 1255 7.B 1710 640 O.OOW 749 0.01 0.0001 150 0.008
NUGSC 3/142002 7.61 7.9 830 7.7 1630 600 0.0007 126 0.02 0.0001 122 0.005
NUGSC 4/82002 4.77 8.19 3.7 627 7.9 1500 1190 16 2.97 0,01 2.91 0.05 0.02 305 550 0.002 153 0.47 0.04 123 0028 0.0002 0.073 45.9 0.07
NUGSC 5/82002 394 7.93 5.3 983 8 1520 3fi0 48 3.76 0,01 3.7fi 0.05 0.05 301 550 0.0005 128 0.27 0.0007 121 0.042 0.0002 0.073 48.3 0.07
NUGSC 6282002 1.01 7.85 16.9 1422 8 1700 32 680 0.0006 733 0.04 0.0007 155 0.027
NUGSC 7/82002 8.04 22.6 1810 B.3 7940 702 930 0.001 734 0.08 0.0002 203 0.006
NUGSC 822002 7.97 74.6 2772 7.9 2120 dB 769 228
NUGSC 10/32002 3.96 7.94 6.7 1042 7.8 7860 737 145
NUGSC 10/242002 2.49 8.2 7.1 1879 7.5 7930 7550 5.4 0.07 5.4 0.05 0.01 425 770 0.001 146 0.02 0.04 164 0.015 0.0002 0018 63.9 0.01
NUGSC 72H32002 7.09 2.4 1950 7.7 1910 10 149 174
NUGSC 1232003 7.5 3.1 1830 7.7 1800 5 723 126
NUGSC 7/12/2003 7.7 2.1 7690 7.9 1fi30 1270 5 2.91 0.01 2.91 0.7 0.03 418 580 0.0011 708 0.05 0.04 100 0.015 0.0002 0.007 70.2 0.01
NUGSC 3/102003 5.60 8.1 3.1 7770 8 16W 12 140 139
NUGSC 4/12003 9.OB B.1 55 1600 8.2 1580 14 140 122
NUGSC 5282003 12.2 B.2 12.3 1260 B 1270 920 398 3.5 0.01 3.51 0.1 0.86 335 350 0.0028 122 8.13 0.04 100 0.043 8.0002 0.012 36.7 0.01
NUGSC fi(L2003 11.7 B.2 9.5 1330 8 1360 q34 742 108
NUGSC 7/12003 3.83 B.1 10.6 1580 8.2 7570 718 744 135
NUGSC 8/72003 2.03 8 12.1 1830 8 7830 1440 B 4.0 0.01 4.9 0.1 0.03 421 680 0.00095 736 0.06 0.04 146 0.03 0.0002 0.018 64.3 0.01
NUGSC 922003 24 8.7 10.3 1900 7.9 7860 16 759 169
NUGSC 10/72003 3.19 8.1 7.3 1900 8.7 7370 fi 142 157
NUGSC 11/112003 2.48 8.3 33 1900 B.2 7690 1460 5 4.8 0,07 4.0 0.05 0.01 421 740 0.0005 767 O.W 0.04 173 0.02 0.0002 0.079 61.4 0.01
NUGSC 12/12003 1.23 8.7 3.7 1940 B.1 7510 0 763 174
NUGSC 1rz1rz004 1.06 8.2 2.1 1820 B.1 7710 12 145 147
NUGSC 7/162004 5.48 B.3 1.5 1730 8 1600 1370 32 5.14 0,01 5.14 0.71 0.02 412 640 0.0004 146 0.3 0.04 148 0.05 0.0002 0.077 fi5.1 0.01
NUGSC 3/11rz004 7.48 8.4 4.3 1790 8.1 16~ 78 158 142
NUGSC 4/5/2004 7.76 8.4 6.1 1570 8.1 1440 80 131 110
NUGSC 5/4/2004 7.34 8.6 6.d 1070 8.2 i310 1060 282 3.41 0.01 3.41 0.1 0.15 363 500 0.002 130 5.16 0.04 110 0.194 0.0002 0.008 47.1 0.03
NUGSC 6/17rz004 6.25 8.8 71 1580 8.2 7490 102 133 125
CF 17.14 2004
NUGSC04.xls ~~ 957 ~