2008-03-14_REPORT - C1981010 ‎(5)‎

• Permit No: C1981010
• IBM Index Class Name: REPORT
• Doc Date: 3/14/2008
• Doc Name: 2007 Annual Hydrology Report to Appendix A
• From: Trapper Mining Inc
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: DIH
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Page Number
1.0 INTRODUCTION .......................................................................................................1-1
2.0 GROUND-WATER LEVELS ................................................................................... 2-I
2.1 GROUND WATER-LEVEL CHANGES .................................................................. .2-2
2.1.1 SUMMARY ............................................................................................................... . 2-2
2.1.2 WATER-LEVEL CHANGES .................................................................................... . 2-3
2.2 GROUND WATER-LEVEL ELEVATION (PIEZOMETRIC MAP
SI;IIVIlVIAR~----• ...............•----•-----........................................................................----•--- 2-8
3.0 GROUND-WATER QUALITY .................................................................................. 3-1
3.1 TOTAL DISSOLVED SOLIDS (TDS} ....................................................................... 3-1
3.2 SULFATE ................................................................................................................... 3-4
3.3 PH ..................................................•----.....-----•---................................----------------........... 3-7
3.4 NH3 AND N03 ............................................................................................................ 3-8
3.5 OTHER CONSTITUENTS ......................................................................................... 3-9
3.6 SPRING AND SEEP WATER QUALITY ...............................................................3-10
4.0 SURFACE WATER .................................................................................................... 4-I
4.1 SURFACE-WATER FLOW ....................................................................................... 4-1
5.0 SURFACE-WATER QUALITY ................................................................................. 5-1
5.1 TSS ...........................•------............................................................................................ 5-1
5.2 CONDUCTIVITY ....................................................................................................... 5-2
5.3 OTHER CONSTITUENTS ......................................................................................... 5-3

Trapper Mining Company i
2007 Ann ual Report