REP19655

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 5/8/2006
• Doc Name: 2005 Annual Hydrology Report Part 2
• From: J.E. Stover & Associates Inc
• To: DMG
• Annual Report Year: 2005
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

•
Bowie Resources, LLC
Bowie No. 2 Mine
2005 Annual Hydrology Report
TC-low
Canal -Terror Ditch
Elevation - 6520
Surtace Water
Initiated 9/30/1996 9/30/1996 9/30/1998 9/30/1996
AcBvated
Date 12/26/2005 9/19/2005 6/22/2005 4/18/2005
Summary Information
•
i
1 ~'"
~~ ~ -'~'~~
€e_'7~~ Baseline Operation
UNITS Min Ave Max Min Ave Max
Flow CFS 0.00 2.09 7.91 1.37 5.88 6.93 1.86
Water Level in Flume Feet 0.00 0.31 0.88 0.28 0.71 0.79 0.34
FieldCommenl
ph 5u 7.3 8.3 8.8 8.3 8.2 8.1 8.1
Contluclivity umhas/cm 40 111 200 130 80 40 50
Temperature Celsius 0.0 7.4 17.5 0.4 13.2 8.8 5.1
DO mg/L 0.0 8.4 11.7 11 9.6 9.0 9.3
f x
,( rf~
t
UNITS
Bicarbonate mg/L 40 76 115 92 40
Chlodtle mg/L <MDL 1 3 2 <MDL
Conductivity umhos/cm 85 154 238 190 85
Hardness m /L 43 85 91 73 43
Nitrate-Nitrite mg/L <MDL 0.02 0.05 0.03 <MDL
Oil and Grease mg/L <MDL 2 2 <MDL <MDL
pH su 7.0 7.7 8.4 8.4 8.0
Phosphate mg/L <MDL 0.12 0.80 0.06 0.06
ResitlueFilterable-TDS m /L 80 113 160 120 110
ResidueNonFilterable-TSS m /L <MDL 17 98 <MDL 98
SAR <MDL 0.34 0.61 0.61 0.28
Sulfate mg/L <MDL 6 30 10 <MDL
Aluminum mg/L 0.08 1.05 4.37 0.11 4.37
Arsenic m /L <MDL 0.0002 0.0010 <MDL <MDL
Cadmium m /L <MDL <MDL <MDL <MDL <MDL
Calcium mg/L 10.4 18.1 22.3 18.2 10.4
Copper mg/L <MDL 0.00 0.01 <MDL <MDL
Iron (Totap mg/L 0.11 0.94 4.10 0.17 4.1
Lead m /L <MDL 0.0002 0.0012 0.0001 0.0012
Ma nesium m /L 4.1 5.8 8.5 6.8 4.1
Manganese (Total) mg/L <MDL 0.026 0.077 0.014 0.077
Mercury mg/L <MDL <MDL <MDL <MDL <MDL
Mol ebtlenum m /L <MDL <MDL <MDL <MDL <MDL
Selenium mglL <MDL 0.000 0.001 <MDL <MDL
Sodium m 2 3.9 8.2 12.4 11.9 3.9
Zinc mg/L <MDL 0.07 0.02 <MDL 0.01
The area o(cencemfor monitoring point TC-low has not been aNec[ed by the mining operation. Therefo2, al/recrorded
monffodng events are considered Baseline.
The monitodng point location for TC-bw is located on Terror Ditch and foundjust below [he headgafe o) Terror Ditch. It is accessed hom fhe
Terror Creek road by permission through locketl gates. This monitoring point is re/erred to in the Bowie No. 1 Annual Hydrology Report as S W10.
Baseline Information Collection initiated on 9/30/96 and not yet wnsidered complete.
Point TC-low has not been iMluencetl by mining.
Figure No. 126