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

COLOWYO MINE
Colowyo Coal Company, L.P.
Water Quality Data
1992-2004
New Upper Good Spring Creek
(NUGSC)
Listing of Stream Lah Data
Flw+ Field Fieltl Field Lab Lab TDS NO3 NO2 NO3+NO2 NH3 Total Bicarb Ambig. SN Ambig. SN Ambig. SN Ambig. SM Ambig. SN Ambig. SM Ambig. SN Ambig. SN Ambig. SN Ambig.SW
No tlatum=> Blank Rate pH Temp Conduct pH Conduct -180 TSS as N as N as N as N P as CaCO3 Sulfate Ps Ca Fe Pb Mg Mn Hg Se Na Zn
cfs S.U. degC umho/cm S.U. umho/cm mgB mg4 mg/I mg/I mgll mgll m9/I mgll mg/I mgll mgB mgll mg8 mg4 mgll mg8 mgll mg/l mgB
StatisBCs
Mean 3.70 8.2fi 7.65 1462.67 8.05 1519.52 7148.51 50.30 3.90 0.02 3.93 0.17 0.08 370.20 528.01 0.00 729.fi0 0.87 0.03 728.25 0.05 000 0.01 45.67 0.03
Std. Dav. 3.24 0.35 5.19 45205 0.23 2%.% 270.94 179.34 1.21 002 1.34 055 0.15 46.03 150.26 0.00 78.39 1.83 0.03 30.tfi 0.06 0.00 0.01 13.74 0.04
Coef Var.
Range 19.8 2.24 22.5 3023 1 2842 7250 992 5.% 0.09 6.32 3.79 0.855 225 760 0.0046 92 8.53 0.1999 172.6 0.285 0.001 0.035 SB,t 0.19
Max 20 9.4 22.6 3650 8.5 3600 1610 994 6.4 0.1 69 3.84 0.86 d40 930 0.005 169 8.54 0.2 228 0.29 0.001 (1.036 75 0.2
Min 0.2 7.16 0.1 627 7.5 758 360 2 7.32 0.01 0.58 0.05 0.005 215 770 0.0004 77 0.07 0.0007 55.4 0005 0 0.001 16.9 0.01
Max a[ 427/19% 71/18/1%7 7/82002 316/7998 427/19% 316/1998 B/G2001 527/7993 71/72004 71/52001 11/1817994 9/131 1995 1/7/1999 BI102Wd 7/&2002 17/12004 822002 5/17/7999 5!/2007 822002 5117/19% 5!72001 71312000 823/7994 1022000
Min at 3/78/19% 7/172002 11/18/199fi 4182002 10242002 5/27/1993 5/&21102 9(!0/7994 520/1%7 10242002 427/1998 10242002 9/11/1997 10/fl~19% 520/1997 &82002 fill/7%3 2/172002 62821702 427/19% 3/142002 6/7/1%0 520/1997 427/79% 10242002
#Of Samples 138 109 743 141 746 746 51 142 35 35 59 48 51 59 67 67 92 70 67 92 fi5 59 59 59 59
Station Sample Flaw Field Field Field Lab Lab TDS NO3 NO2 NO3«NO2 NH3 Total Bicarb Ambig. SM Ambig. SN Ambig. SN Ambig. SM Ambig. SN Ambig. SN Ambig. SM Ambig. SN Ambig. SN Ambig. SW
Name Date Rata pH Temp Conduct pH Conduct -780 TSS as N as N as N as N P as CaCO3 Sulfate As Ca Fe Pb Mg Mn Hg Se Na Zn
cfs S.U. degC umho/cm S.U. umhdcm mgB mg4 mgB mg/I mgll mg/l mgll mg6
---- mg/I
- mgll mg/I
-- ^ mgll
-_ mgB mgll mg4
-- mge mg/I mgll
-- mgll
---
NUGSC ----9/10/1%B 0.35 8.4 14.2 ^-1697 -- B --1460 --- - -- 11 ~-
NUGSC 10/8/1998 2.3 B.5 12 1009 B.3 1500 1310 12 2.87 0.05 0.05 275 569 0005 150 0.2 0.02 124 0.02 0.001 0.014 44.1 0.07
NUGSC 71/51998 0.32 9.2 10.5 1721 7.9 1630 5
NUGSC 17/14/1998 0.35 B.2 8.3 33fi7 7.7 1750 126
NUGSC 1/7/1999 8.6 3.4 1%1 0.2 1fi50 1300 14 3.55 0.05 0.56 407 557 0.005 143 0.56 0.02 117 0.001 0.011 57.1 0.01
NUGSC 7/27/7%9 1.5 8.7 4 1729 B 1fid0 11
NUGSC 3/311999 0.26 8.6 5.5 1950 7.9 1650 7
NUGSC 4/6/7999 2.3 8.1 1768 7.9 1640 5
NUGSC 5/17/1999 13 8.41 5.7 751 8.2 1060 770 552 2.72 0.05 0.47 327 295 0.005 105 8.54 0.02 76 0.29 0.001 0.008 22.6 0.05
NUGSC 6/1 W1899 5.8 6.4 71.6 7198 8 1130 10
NUGSC 7/GH 999 8.17 0.27 17.7 1380 7.9 1380 1030 21 4.78 0.05 0.1 319 472 0.1105 89.9 0.3 0.02 107 0.02 0.001 0.073 30.9 0.01
NUGSC 8/19/7%9 7.5 8.16 70.6 1587 7.8 1470 5
NUGSC 9/317999 2.47 8.29 72.9 1187 7.9 1540 14
NUGSC 10113/7999 2.36 7.% 10.9 1216 8.2 7610 1350 5 5.57 0.05 0.08 391 555 0005 701 0.09 0.02 146 0.02 0.001 0.016 52.1 0.01
NUGSC 11/11/7%9 2.39 8.1 2.6 983 7.9 7690 5
NUGSC 12/8/7999 3.93 8.121 2 988 7.9 7520 7
NUGSC 1021700 4.92 8.23 0.8 8W 7.8 1360 5
NUGSC 2021100 2.91 8.18 3.7 1013 7.7 1550 1280 5 4.55 0.05 0.05 363 Sdt 0.005 %.2 0.05 0.02 728 0.02 0.001 0017 46.5 0.01
NUGSC 3/72[700 4.21 8.22 4.1 924 7.7 1460 16
NUGSC 4/172000 4.61 8.38 10.6 1013 7.B 7280 1070 36 2.76 0.05 0.13 333 385 0.005 93.5 0.85 0.02 106 0.02 0.007 0.009 196 0.07
NUGSC 6/52W0 2.83 8.23 16.5 1732 7.7 1310 368
NUGBC 7/320110 0.46 8.27 17.3 1520 7.6 1410 25
NUGBC 7/312000 0.6 8.15 15.1 1707 7.9 7550 1270 B 5.88 0.05 0.05 389 535 0.005 126 0.15 0005 147 0005 0.0002 0.035 46.5 02
NUGSC 8212000 0.53 8.38 17.1 1744 7.7 1660 7
NUGBC 902000 1.48 7.49 15.5 1734 7.5 1fid0 1420 5 0.%
NUGSC 10/7/2000 1.21 8.16 12.2 1924 7.8 1570 1400 5 6.05 0.05 0.05 606 561 0.005 135 0.07 0.02 141 0.02 0.001 0.03 49.2 02
NUGSC 11/82000 4.35 8.29 2.5 1782 7.7 1fiB0 5 0.05
NUGBC 17/42000 0.32 8.3 2.9 1054 7.5 1fid0 9
NUGBC 12/2007 8.24 7.9 1004 7.7 1570 5
NUGSC 7/5/4007 2.% 8.4 1400 7250 20 4.4 0.1 4.4 0.3 0.05 394 610 0005 744 0.05 0.2 138 0.03 0.001 0.014 48.2 0.05
NUGSC 3/5/2007 0.79 8.34 1.7 949 8 1550 20 743 134
NUGBC 4/162001 3.16 8.53 3.7 838 8 1330 20 147 99.7
NUGSC 502001 7.15 8.48 72.9 7002 8.2 1270 900 724 2.37 0.05 2.37 0.3 0.11 344 410 OO115 726 3.7 0.2 95.3 0.129 0.001 0.01 32.8 0.05
NUGSC 6/12007 8.92 8.63 13.7 1050 410 0003 717 0.% 0.002 91.7 0.109
NUGSC N152907 4.36 8.57 65 973 8.2 1360 % 724 110
NUGSC 7/52007 2.44 8.28 72.2 1624 7.8 1510 32 132 129
CF 17.142004 3/71200 9:57 AAA
NUGSC04.xls