2013-04-29_REPORT - C1981014

• Permit No: C1981014
• IBM Index Class Name: REPORT
• Doc Date: 4/29/2013
• Doc Name: 2012 Annual Hydrology Report
• From: Energy Fuels Coal, Inc
• To: DRMS
• Annual Report Year: 2012
• Permit Index Doc Type: Hydrology Report
• Email Name: JHB
• Email Name: DIH
• Media Type: D
• Archive: No

EFCI Southfield Mine - 2012 Annual Hydrology Report April 18, 2013
TABLE 8
STREAM FLOW MEASUREMENTS (cfs) 1999 - 2012
Monitoring Creek Newlin Creek Magpie Creek Magpie Creek Oak Creek Oak Creek
Quarter -Year Date (Upper) (Lower) (Upper) (Lower) (Upper) (Lower)
NC -2 NC -1 MC -1 MC -2 OC -2 OC -1
1st- 1999 1/19/99 No flow No flow I No flow No flow 0.56 0.54
2nd - 1999 4/8- 5/5/99 10.5 9.5 16 0 20.0 1 1 1.2
3rd - 1999 8/2/99 No flow i No flow No flow No flow 4.5 4.2
4th - 1999 12/29/99 No flow No flow No flow No flow 1.6 1.6
1st - 2000 03/29/00 No flow No flow No flow No flow 1.6 1.6
2nd - 2000 05/02/00 2 4 1.6 No flow No flow 1 7 ' 1 6
-- I
3rd - 2000 No flow No flow No flow No flow No flow No flow
4th - 2000 No flow No flow No flow No flow No flow No flow
1st - 2001 No flow No flow No flow No flow No flow No flow
2nd - 2001 05/22/01 No flow No flow No flow No flow 4.7 4.3
3rd - 2001 1 No flow No flow No flow
4th - 2001 No flow No flow No flow
1st - 2002 No flow No flow
2nd - 2002 No flow No flow
3rd - 2002 No flow No flow
4th - 2002 No flow No flow
1st - 2003 No flow No flow
2nd - 2003 No flow No flow
3rd - 2003 No flow No flow
4th - 2003 No flow No flow
2nd - 2004 04/13/04 7.8 Minimal
4th - 2004 12/7/04 No flow No flow
2nd - 2005 4/19/05 12.4 No flow
4th - 2005 12/12/05 No flow No flow
2nd - 2006 6/20/06 No flow No flow
4th - 2006 11/20/06 No flow No flow No flow No flow
2nd - 2007 5/03/07 10.8 No flow 22 21
4th - 2007 11/27/07 No flow No flow no meas 5.9
2nd - 2008 5/28/08 No flow
4th - 2008 12/02/08 No flow
2nd - 2009 4/28/09 2.14
4th - 2009 12/14/09 No flow
2nd - 2010 4/27/10 1.2
4th - 2010 12/13/10 No flow
2nd - 2011 6/6/11 No flow
4th - 2011 12/8/11 No flow
2nd - 2012 4/2/12 No flow
4th - 2012 11/30/12 No flow
2012 AHR text doc
No flow
No flow
No flow No flow
No flow No flow
No flow No flow
No flow No flow
No flow No flow
No flow No flow
No flow No flow
No flow No flow
7.8 Minimal
No flow No flow
12.6 No flow
No flow No flow
No flow No flow
No flow No flow
10.7 No flow
No flow No flow
No flow No flow
No flow No flow
0.001 No flow
No flow No flow
0.63 No flow
No flow No flow
No flow No flow
No flow No flow
No flow No flow
No flow No flow
Notes:
1. Blank data fields = no data
2 Oak Creek (OC -1 and OC -2) monitoring discontinued in 2009 per Technical Revision No. 37
Page 21
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow n/a
No flow n/a
No flow No flow No flow
No flow No flow No flow
No flow No flow No flow
No flow No flow No flow
No flow No flow No flow
No flow No flow No flow
-
No flow No flow No flow
No flow No flow No flow
No flow No flow No flow
No flow No flow No flow
0.03 0.03 No flow
No flow No flow No flow
.02 02 No flow
No flow No flow No flow
No flow No flow No flow
1 6 1.75 No flow
No flow I No flow No flow
No flow No flow No flow
No flow
n/a
n/a
n/a
n/a
0.007
n/a
n/a
n/a
n/a
n/a
n/a
Second Alkali
Creek
SA -1
No flow
0.45
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow
No flow j
No flow
No flow
1