REP37791

• Permit No: C1981013
• IBM Index Class Name: Report
• Doc Date: 2/13/2004
• Doc Name: 2003 Annual Hydrology Report
• From: Greystone Environmental Consultants, Inc
• To: DMG
• Annual Report Year: 2003
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Table of Contents
1.0 Introduction
l.] Site Description ................................................................ ...............................................1-1
1.2 MonitoringPragram ......................................................... ...............................................1-4
1.2.1. Springs and Seeps ............................................... ............................................... 1-4
2.0 Monitoring Methods ...................................................................... ...............................................2-1
3.0 Hydrologic Consequences ............................................................. ............................................... 3-1
3.1 Water Quantity .................................................................. ............................................... 3-1
3.2 Water Quality .................................................................... ............................................... 3-3
4.0 Mitigative Measures ...................................................................... ............................................... 4-1
5.0 Monitoring Programs for 2004 .:.................................................... ..........................._.................. 5-1
6.0 References ..................................................................................... ............................................... 6-1
TABLES
Table 1.2-I
Table 1.2-2
Table 3.1-1
Table A-I
Table A-2
Table A-3
Table A-4
Table A-5
Table A-6
Table A-7
Table A-8
Table A-9
Table A-10
Table A-1 1
Table A-12
Table A-13
Table A-14
Table A-15
Table A-16
Table A-] 7
Table A-18
Table A-19
Table A-20
FIGURES
Hydrology Monitoring Requirements Golden Eagle Mine ........................ ...................... 1-5
Water Quality Parameter Sample Suites Golden Eagle Mine .................... ...................... I-5
Golden Eagle Mine Well Data ................................................................... ......................3-2
Cn'oundwater CCA W-l .............................................................................. ......................A-1
CCAW-1 Groundwater-Historic .............................................................. ......................A-2
Groundwater PAW-5 ................................................................................. ......................A-4
PAW-5 Groundwater -Historic ..............._.........._.................................... ........_............A-5
Groundwater PAW-6 ................................._.............................................. ......................A-7
PAW-6 Groundwater -Historic ................................................................. ......................A-8
NM-20 (Groundwater NM-14-94) ............................................................. ....................A-10
Historical NM-20 Groundwater Historic ..._ .............................................. ....................A-11
NM-21 (GroundwaterNM-11-94) ............................................................. ....................A-13
Historical NM-21 Groundwater ................................................................. ....................A-14
NM-22 (GroundwaterNM-13-94) ............................................................. ................._.A-16
Historical NM-22 Groundwater............_ ................................................... ....................A-17
SF-2 Groundwater ..................................................................................... ....................A-19
Historical SF-2 Ground~vater ..................................................................... ....................A-20
GEM- l ....................................................................................................... .................... A-22
Historical GEM-l ................................._................................................... ....................A-23
GEM-2 ....................................................................................................... .................... A-25
1-Iistorical GEM-2 ...................................................................................... ....................A-26
GEM-3 ....................................................................................................... .................... A-28
Historical GEM-3 ...................................................................................... ....................A-29
Figure 1.1-1 Generalized Stratigraphic Column of Mesozoic and Cenozoic Era Strata in the
Raton Mesa Region from Dolly and Meissner, 1977 ....................................................... I-3
Figure 3.2-I Golden Eagle Alluvial Wells ........................................................................................... 3-4
Figure 3.2-2 Golden Eagle Mine Wells ............................_..........................................._...._............. 3-10
392-34 Golden Eagle Mine Rpt (FebJ L04).doc II