REP34327

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1995 AHR text, streamflow, surface water, springs
• Annual Report Year: 1995
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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Doc Date:12/11/2001
TABLE OF CONTENTS
EXECUTIVE SUMMARY ........................................... 1
1.0 HYDROLOGIC MONITORING ACTIVITIES .............. ........... 3
1.1 INTRODUCTION ............................ ........... 3
1.2 RIVERS, STREAMS, AND PONDS MONITORING .... ........... 3
1.3 SPRINGS WATER MOMTORING ................ ........... 5
1.4 GROUNDWATER MONITORING ................. ........... 5
1.5 OPERAT[ONS MONITORING ................... ........... 5
1.5.1 North Fork Water ........................ ........... 5
1.5.2 Sanitary Waste Water ..................... .......... 11
1.5.3 Groundwater Inflows ..................... .......... 11
1.5.4 Mining Activity ......................... .......... 11
.,F„Seam ............................. .......... 11
.,B„Seam ............................. .......... 11
1.6 WATER BALANCE ........................... .......... 12
1.7 MINE WATER QUALITY ...................... .......... 12
1.8 RUNOFF FROM DISTURBED AREAS ............. .......... 14
1.9 REFUSE PILE WATER QUALITY ................ .......... 14
2.0 HYDROLOGIC DATA INTERPRETATION AND IMPACT ASSESSMENT FOR
THE PERMIT AND ADJACENT AREAS .......................... .. 15
2.1 ASSESSMENT OF MINE WATER ......................... . 15
2.2 ASSESSMENT OF SPRINGS ............................. . ]6
2.3 ASSESSMENT OF GROUNDWATER ....................... . 17
2.3.1 Alluvial Wells and the Lower Refuse Pile ................ . 17
2.3.2 Barren Member .................................. . 17
2.3.3 ,.F„ Seam ...................................... . 18
2.3.4 ,.E„ Seam ...................................... . 18
2.3.5 ,.B„Seam ...................................... . 18
2.3.6 Rollins Sandstone ................................. . 19
2.4 ASSESSMENT OF SURFACE WATER ..................... . 19
2.4.1 Comparison of Baseline Water Quality with Operational Data ... . 19
2.4.2 MB-2R Water Quality .............................. . 20
2.5 MINE WATER MANAGEMENT AND IMPACT ASSESSMENT .... . 20
2.5.1 North Fork Water ................................. . 20
2.5.2 Sanitary Waste Water .............................. . 22
2.5.3 Mine Water ..................................... . 22
2.5.4 Runoff from Disturbed Area ......................... . 22
2.6 ADEQUACY OF MONITORING PROGRAM .................. . 23
..F„Seam ........................................... . 23
~.B,,Seam ........................................... . 23
Water Quality ........................................ . 23
Adequacy ........................................... . 24
AFfli-95.210/OS/IS/96(1:38pm)
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