REP46124

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 3/10/2004
• Doc Name: 2002 Annual Report ‎(AHR & ARR)‎ Adequacy Response
• From: J.E. Stover & Associates
• To: DMG
• Permit Index Doc Type: Annual Reclamation Report
• Media Type: D
• Archive: No

C
Bowie Resources Limited
Bowie No. 2 Mine
2002 Annual Hydrology Report
HUB-low
Hubbard Creek -Drainage System
Elevation - 5880
Surface Water
Initiated 9/30/1996 9/3011996 9/30/1996 9/30/1996
Activated 6/23/1999 6/23/1999 6/23/1999 6/23/1999
Date 11/22/2002 9/24/2002 6/24/2002 4/30/2002
•

Summary Information

ra.,, ete. .. Baseline Operation
UNITS Min Ave Max Min Ave Max
Flow CFS 2.90 19.67 85.51 0,06 13.39 151.41 0.98 0.06 0.06 12.00
FieldComment
ph su 8.0 8.5 9.3 7.1 8.2 9.0 7.1 8.1 8.1 7.9
Conduclivi umhos/cm 80 198 390 100 403 850 420 850 560 140
Temperature Celsius 2.3 11.1 20.2 0.5 11.1 19.7 6.0 17.1 15.8 9.0
DO mg/L 6.4 8.2 10.0 0.0 4.2 17.4 0.0 9.3 9.0 10.6
~.xara,._, 1B .._ UNITS
Bicarbonate m /L 62 115 155 140 268 690 185 209
Chloride mg/L <MDL 2 3 2 4 7 5 7
Conduclivi umhos/cm 118 254 406 301 432 609 476 609
Hardness mg/L 49 96 138 95 169 251 152 250
Nitrate-Nitrite mg/L <MDL 0.05 0.29 <MDL 0.43 1.62 <MDL <MDL
Oil and Grease m /L <MDL 3.0 3.0 <MDL 3.0 3.0 3 <MDL
pH su 7.5 7.9 8.3 7.8 8.0 8.1 7.8 8
Phosphate m /L <MDL 0.004 0.030 <MDL 0.00 0.00 <MDL <MDL
ResidueFilterable-TDS mg/L 100 163 260 200 267 380 270 380
ResidueNonFilterable-TS mg/L <MDL 33 170 <MDL 3 6 <MDL <MDL
SAR <MDL 0.47 1.04 <MDL 0.87 1.18 1.18 1.17
Sulfate mg/L <MDL 17 50 30 58 100 70 100
Aluminum m /L 0.05 0.58 1.91 <MDL 0.10 0.41 0.05 0.03
Arsenic mg/L <MDL 0.0004 0,0010 <MDL 0.0002 0.0010 <MDL 0.001
Cadmium mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Calcium m /L 13.8 26.2 36.7 29.4 45.5 70.7 41.1 70.7
Copper m !L <MOL 0.001 0.010 <MDL <MDL <MOL <MDL <MDL
Iron (Total) mg/L 0.09 0.54 1.44 0.06 0.18 0.49 0.14 0.06
Lead m /L <MDL <MDL <MDL <MDL 0.0000 0.0000 <MDL <MDL
Magnesium mg/L 3.6 7.4 11.2 8.4 14,5 21.8 12 21.8
Man anese (Total) mg/L 0.009 0.016 0.034 0.006 0.011 0.078 0.011 0.006
Mercury m /L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Mol ebdenum mg/L <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL
Selenium m /L <MDL 0.001 0.010 <MDL <MDL <MOL <MDL <MDL
Sodium m /L 5.3 15.9 27.6 20.7 30.9 48.5 33 48.5
Zinc m /L <MDL 0.01 0.04 <MDL <MDL <MDL <MDL 0.01
The Lower Hubbard Creek monitoring point is located at a concrete box culvert under the Union Pacific railroad trackjust above the North
Fork of the Gunnison. Flow values are taken )ran the USGS information for station 1109132960.
Baseline Information far Point Hub-low is dedved from events beginning on 9/30/96 through 6/23/99.
Point influenced by mining on 6/23/99.
Monitoring Point Table 81
Revised 03/04