2008-03-21_PERMIT FILE - C1980007A ‎(46)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 3/21/2008
• Doc Name: pg 2.05-200 to 2.05-300
• Section_Exhibit Name: 2.05.6 Mitigation of Surface Coal Mining Operation Impacts Part 2
• Media Type: D
• Archive: Yes

West Elk Mrne
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Table 46 Mountain Coal Company's Diversions,
Return.Flows and Depletions
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Total Total Return North Fork
Timespan Significance of Specified Timespan Diversions Flows Depletions
(acre-feet acre-feet acre-feet
Calendar Year 1994 Reflects condition at mine prior to B 197 79 +118
Calendaz Xeaz 1995 East Mains fault inflow and 224 293 -69
utilization of sumps _
_ _ _ _ _ _ _ _ _ _
1996 differed substantially from
Calendaz Yeaz 1996 "typical" yeaz due to B East Mains 276 433 -157
fault flow starting in Mazch and sump
utilization be inning in November.
March through Reflects condition at mine prior to B 148 48 +100
October 1994 East Mains Fault inflow and
March through utilization of sumps. 158 218 -60
October 1995
--
- ~
-
-
--
----
-----
-------- -~--------------------------------------------
During this timespan in 1996, MCC •----------------- ------------------- -----------------
March through was experiencing inflows from the B 169 332 -163
October 1996 East Mains Fault, but MCC was not
diverting fault inflows into the NW
Panel sealed sum .
November through Reflects condition at mine prior to B 43 48 -5
December 1994 East Mains fault inflow and
November through utilization of sumps 49 32 +17
Becember 1995
MCC began to divert North Fork
November through waters into the NW Panel sealed 60 44 +16
December 1996 sump in November 1996 and the
practice continued through the end of
1996 December 31 .
' Realm Flows were assumed to be combined discharges from Ponds MB-I and MB-2R.
~ Depletions equal diversions rtdnus return flows. Negative depletions indicate that there vtaz a net pain N the North Fork due to MCC.
1.05-177 Revised Jun. 1995 PR06; Revised Nov. 1998 TR80; 1/98 PR08; Rev. May 2006 PRI G