2012-03-09_REPORT - C1981019 ‎(8)‎

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/9/2012
• Doc Name: 2011 Annual Hydrology & Reclamation Report ‎(2 of 4)‎
• From: Colowyo Coal Company
• To: DRMS
• Annual Report Year: 2011
• Permit Index Doc Type: Hydrology Report
• Email Name: RDZ
• Email Name: DIH
• Media Type: D
• Archive: No

Colowyo Coal Company
2011 Annual Reclamation and Hydrology Report
COLOWYO MINE
NUGSC
Exhibit 2A
Water Quality Data
1992 -2010
New Upper Good Spring Creek
(NUGSC)
Listing of Stream Lab Data Flow Field Field Field Lab Lab TDS NO3 NO2 NO3 +NO2 NH3 Total Bicarb
No datum => Blank Rate pH Temp Conduct pH Conduct -180 TSS as N as N as N as N P as HCO3 Sulfate As Ca Fe Pb Mg Mn Hg Se Na Zn
cfs S U deg C umho /cm S U umho /cm mg/1 mg/I mg/I mg/I mg/I mg/I mg/I mg/1 mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/1 mg/I mg/I mg/I
Statistics
Mean 3 00 8 25 7 89 1477 28 8 13 1499 95 1135 87 47 88 3 68 0 05 3 74 0 21 0 08 401 37 504 67 0 00 126 54 0 78 006 122 61 0 05 0 00 0 01 47 34 0 03
Std. Dev. 3 22 0 34 5 04 405 92 0 24 279 97 241 79 105 93 1 28 0 04 1 35 0 66 0 13 71 52 145 21 0 00 19 50 1 60 0 07 29 63 0 06 0 00 0 01 16 16 0 03
Coef. Var.
Range 19 8 2 5 22 5 3023 1 1 2842 1250 992 5 4 0 09 6 32 4 05 0 855 433 760 0 0046 165 6 8 53 0 2 226 9 0 285 0 001 0 035 121 1 0 19
Max 20 00 9 4 22 6 3650 8 6 3600 1610 994 6 4 0 1 6 9 4 1 0 86 648 930 0 005 169 854 0 2 228 0 29 0 001 0 036 138 0 2
Min 0 20 6 9 0 1 627 7 5 758 360 2 1 0 01 0 58 0 05 0 005 215 170 0 0004 3 4 0 01 0 1 1 0 005 0 0 001 16 9 0 01
Max at 4/27/1998 11/18/1997 7/8/2002 3/6/1998 4/27/1998 3/6/1998 8/6/2001 5/27/1993 11/1/2004 11/5/2001 11/18/1994 5/3/2011 1/1/1999 2/23/2010 7/8/2002 11/1/2004 8/2/2002 5/17/1999 5/7/2001 8/2/2002 5/17/1999 5/7/2001 7/31/2000 11/10/2008 10/2/2000
Min at 3/18/1996 2/11/2002 12/18/1996 4/8/2002 10/24/2002 5/27/1993 5/8/2002 9/30/1994 5/20/1997 10/24/2002 4/27/1998 10/24/2002 9/11/1997 10/8/1998 5/20/1997 5/8/2002 6/1/1993 2/11/2002 6/28/2002 4/27/1998 3/14/2002 6/1/1990 5/20/1997 4/27/1998 10/24/2002
# Of Samples 194 166 200 198 202 202 79 197 63 55 87 69 74 87 95 87 148 98 87 148 92 79 86 87 79
Station Date
NUGSC 8/8/1996 0 75 8 59 9 1403 8 3 1423 24 0 28
NUGSC 9/24/1996 1 45 8 8 6 2 1135
NUGSC 9/26/1996 8 1 1556 20 4 5 0 01 4 5 374 570 0 001 115 006 0 02 131 0 01 0 0002 0 012 50 8 0 02
NUGSC 10/3/1996 1 20 7 84 12 8 1 1554 20 3 94 0 01 3 94 356 510 0 001 115 0 31 0 02 126 0 026 0 0002 0 013 50 4 0 02
NUGSC 11/19/1996 1 21 8 6 3 5 1112 8 4 1424 5 3 91 0 01 3 92 390 550 0 001 128 0 12 0 04 131 0 0002 0 014 53 7 0 03
NUGSC 12/18/1996 0 85 8 3 0 1 1512 7 9 1613 5 4 2 0 01 4 2 427 580 0 001 128 0 04 0 04 121 0 012 0 0002 0 014 45 6 0 01
NUGSC 1/19/1997 1 51 8 4 0 5 809 8 2 1456 5 3 37 0 01 3 37 377 480 0 001 136 0 04 0 04 126 0 012 0 0002 0 012 51 7 0 03
NUGSC 2/26/1997 1 43 8 5 2 1 1070 8 3 1371 18 4 0 01 4 01 364 450 0 001 121 0 11 0 04 108 0 017 0 0002 0 01 45 4 0 04
NUGSC 3/19/1997 186 8 5 4 2 1066 8 3 1257 10 2 32 0 01 2 32 0 005 377 450 0 001 121 0 09 0 04 103 0 032 0 0002 0 011 39 5 0 01
NUGSC 4/21/1997 2 28 8 5 3 7 869 8 3 943 170 1 49 0 01 1 49 0 035 325 260 0 001 101 2 8 0 04 70 1 0 141 0 0002 0 006 26 2 0 03
NUGSC 5/20/1997 11 38 8 5 11 5 684 8 3 810 372 1 32 0 01 1 32 283 170 0 002 90 1 4 67 0 04 59 7 0 215 0 0002 0 004 17 2 0 04
NUGSC 6/26/1997 5 70 8 2 19 9 1189 8 1 1240 100 3 92 0 01 3 93 0 171 366 400 0 001 122 1 66 0 02 102 0 099 0 0002 0 012 29 9 0 05
NUGSC 7/9/1997 2 91 8 3 18 9 1244 8 4 1320 30 4 78 0 01 4 78 0 055 396 410 0 001 127 0 62 0 04 109 0 044 0 0002 0 013 31 8 0 02
NUGSC 8/14/1997 2 70 8 3 9 7 1235 8 2 1400 1050 5 4 02 0 01 4 02 0 07 0 031 400 440 0 001 119 0 14 0 04 109 0 029 0 0002 0 013 36 6 0 03
NUGSC 9/11 /1997 2 13 8 3 14 8 1103 8 2 1390 1020 5 3 48 0 01 3 48 0 06 0 005 354 480 0 001 109 0 37 0 04 109 0 029 0 0002 0 011 44 0 01
NUGSC 10/30/1997 0 53 7 2 3 4 1277 8 2 1250 48
NUGSC 11/18/1997 1 40 9 4 3 1138 8 1 1440 1070 5 3 8 0 01 3 8 0 05 0 02 413 460 0 001 132 0 07 0 04 116 0 022 0 0002 0 011 41 4 0 05
NUGSC 12/8/1997 1 20 8 3 4 1120 8 3 1420 5
NUGSC 1/6/1998 1 70 8 2 1440 8 2 1430 1050 5 3 61 0 02 3 61 0 07 0 02 403 440 <0 002 119 0 06 004 114 0 021 0 0002 0 012 39 9 0 01
NUGSC 2/19/1998 1 50 8 2 6 1540 8 1 1530 5
NUGSC 3/6/1998 1 70 7 4 3650 7 5 3600 8
NUGSC 4/9/1998 12 50 8 3 1190 8 3 1180 82
NUGSC 4/27/1998 20 00 8 6 945 8 5 850 540 48 0 58 0 05 0 09 276 173 0 005 95 3 006 0 02 55 4 0 07 0 001 0 007 16 9 0 01
NUGSC 6/11/1998 6 00 8 4 8 9 638 8 2 1230 55
NUGSC 7/6/1998 2 70 8 5 22 1450 8 4 1370 36
NUGSC 8/3/1998 2 60 8 6 14 1750 8 2 1550 1270 54 4 16 0 05 0 05 416 574 0 005 127 1 05 0 02 112 0 02 0 001 0 012 60 1 0 01
NUGSC 9/10/1998 0 35 8 4 14 2 1697 8 1460 11
NUGSC 10/8/1998 2 30 8 5 12 1809 8 3 1500 1310 12 2 87 0 05 0 05 215 569 0 005 150 0 2 0 02 124 0 02 0 001 0 014 44 1 0 01
NUGSC 11/5/1998 0 32 9 2 10 5 1721 7 9 1630 5
NUGSC 12/14/1998 0 35 8 2 8 3 3367 7 7 1750 126
NUGSC 1/7/1999 8 6 3 4 1981 8 2 1650 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 2/22/1999 1 50 8 7 4 1729 8 1640 11
NUGSC 3/3/1999 0 26 8 6 5 5 1950 7 9 1650 7
NUGSC 4/6/1999 2 30 8 1 1768 7 9 1640 5
NUGSC 5/17/1999 13 00 8 41 5 7 751 8 2 1060 770 552 2 72 0 05 0 47 321 295 0 005 105 8 54 0 02 76 0 29 0 001 0 008 22 6 0 05
NUGSC 6/10/1999 5 60 8 4 11 6 1198 8 1130 10
NUGSC 7/6/1999 8 17 8 27 17 7 1380 7 9 1380 1030 21 4 78 0 05 0 1 319 412 0 005 89 9 0 3 0 02 101 0 02 0 001 0 013 30 9 0 01
NUGSC 8/19/1999 7 50 8 16 10 6 1587 7 8 1470 5
NUGSC 9/3/1999 2 47 8 29 12 9 1187 7 9 1540 14
NUGSC 10/13/1999 2 34 7 98 10 9 1216 8 2 1610 1350 5 5 57 0 05 0 08 391 555 0 005 101 0 09 0 02 146 0 02 0 001 0 016 52 1 0 01
NUGSC 11/11/1999 239 81 26 983 79 1690 5
NUGSC 12/6/1999 3 93 8 121 2 968 7 9 1520 7
NUGSC 1/7/2000 4 92 8 23 0 8 806 7 8 1360 5
NUGSC 2/7/2000 2 91 8 18 3 7 1013 7 7 1550 1280 5 4 55 0 05 0 05 363 541 0 005 99 2 0 05 0 02 128 0 02 0 001 0 017 46 5 0 01
NUGSC 3/7/2000 4 21 8 22 4 1 924 7 7 1460 16
NUGSC 4/17/2000 4 61 8 38 10 6 1013 7 8 1280 1010 36 2 76 0 05 0 13 333 385 0 005 93 5 0 85 0 02 106 0 02 0 001 0 009 19 6 0 01
NUGSC