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Draft West Elk Mine 2005 Annual Hydrology Report iii <br />• 5.0 ASSESSMENT OF MINE-INDUCED HYDROLOGIC IMPACTS AND ANTICIPATED <br />IMPACTS IN WY 2006 ......................................................................................................................... 35 <br /> 5.1 Surface Water .................................................................................... ............................ ...... 35 <br /> 5.1.1 Impacts to Area Stream Water Quantity and Quality .......... ............................. ..... 36 <br /> 5.1.2 Impacts to the North Fork of the Gunnison River ................ ............................. ..... 36 <br /> 5.2 Springs and Seeps ............................................................................. ............................. ..... 37 <br /> 5.2.1 Impacts to Water Quantity and Quality ................................ ............................. ..... 37 <br /> 5.3 Impacts to Stock Ponds and USFS Water Resources ........................ ............................. ..... 38 <br /> 5.4 Ground Water .................................................................................... ............................. ..... 38 <br /> 5.4.1 Impacts to Ground Water Quantity and Quality .................. ............................. ..... 39 <br />6.0 ADEQUACY OF THE MONITORING PROGRAM .......................................... ............................. ..... 40 <br /> 6.1 Mining Related Hydrologic Impacts ................................................. ............................. ..... 41 <br />7.0 SUMMARY .......................................................................................................... ............................. .....42 <br />8.0 REFERENCES ..................................................................................................... ............................. ..... 44 <br />• LIST OF TABLES <br />Table 1. Monitoring Frequencies ............................................................................... .....................6 <br />Table 2. Sutmnary of Surface Water Monitoring ...................................................... .....................8 <br />Table 3. Summary of the Spring and Seep Monitoring Program ............................... ............13 - 14 <br />Table 4. Summary of the Ground Water Monitoring Program .................................. ...................21 <br />Table 5. Summary of the Groundwater Monitoring Well Data .................................. ...................22 <br />Table 6. Summary of the Underdrain and Mine Inflow Monitoring Program ........... ...................23 <br />Table 7. Summary ofU.S. Forest Service Water Sources ........................................... ...................24 <br />Table 8. CDPS Effluent Limitations for the WWTP (007A) ....................................... ..................29 <br />Table 9. Summary of CDPS Discharges for Water Year 2005 ................................... ............30 - 31 <br />Table 10. Summary of Sedimentation Pond Discharge Permit Limits ..........................................32 <br />Table 11. Summary of Salinity Loading in the North Fork of the Gunnison .................................37 <br />• <br />September 2006 HydroGeo, InC. <br />