2010-08-10_REVISION - C1981008 ‎(13)‎

• Permit No: C1981008
• IBM Index Class Name: Revision
• Doc Date: 8/10/2010
• Doc Name: Response 4 Revised Section 2.05.6‎(3)‎
• From: Western Fuels-Colorado
• To: DRMS
• Type & Sequence: PR6
• Media Type: D
• Archive: No

Table of Contents
A) PROTECTION OF THE HYDROLOGIC BALANCE ....................... 2.05.6(3) -4
Introduction ................... ............................... 2.05.6(3) -4
Ground Water Protection ......... ...............................
2.05.6(3) -4
Ground Water Quality ..... ...............................
2.05.6(3) -4
Ground Water Quantity .... ...............................
2.05.6(3) -6
Ground Water Monitoring ... ...............................
2.05.6(3) -7
Surface Water Protection ........ ...............................
2.05.6(3) -7
Surface Water Quality ..... ...............................
2.05.6(3) -7
Surface Water Quantity .... ...............................
2.05.6(3) -9
Surface Water Monitoring .. ...............................
2.05.6(3) -9
Stream Buffer Zones ..... ...............................
2.05.6(3) -10
Water Rights and Alternative Water Supplies .......................
2.05.6(3) -11
Introduction ............ ...............................
2.05.6(3) -11
Water Rights Protection and Mitigation Plan ..................
2.05.6(3) -12
Alternative Water Supplies ...... ...............................
2.05.6(3) -13
Alluvial Valley Floors ........... ...............................
2.05.6(3) -13
Introduction ............ ...............................
2.05.6(3) -13
Geomorphology ......... ...............................
2.05.6(3) -13
Irrigation ............... ...............................
2.05.6(3) -14
Subirrigation ............ ...............................
2.05.6(3) -15
Conclusion ............. ...............................
2.05.6(3) -15
Hydrology Monitoring Plan . ...............................
2.05.6(3) -16
B) PROBABLE HYDROLOGIC CONSEQUENCES ........................
2.05.6(3) -16
1) Containment of pit inflow and impacts on water quality ..............
2.05.6(3) -20
2) Interruption of groundwater flow and drawdown ...................
2.05.6(3) -20
3) Impact on groundwater rights .. ...............................
2.05.6(3) -21
4) Impact of spoil material on groundwater flow and recharge ...........
2.05.6(3) -21
5) Potential impacts of replaced spoil on groundwater quality. ..........
2.05.6(3) -26
Spoil Water Chemistry .... ...............................
2.05.6(3) -26
Spoil Water Infiltration into Lowwall .........................
2.05.6(3) -34
6) Impact of spoil water quality on surface water quality ...............
2.05.6(3) -35
Spoil Water Quality ...... ...............................
2.05.6(3) -35
Timeframes of Elevated TDS in Spoil Water ..................
2.05.6(3) -35
REVISED August 2010