2014-06-30_HYDROLOGY - C1994082

• Permit No: C1994082
• IBM Index Class Name: Hydrology
• Doc Date: 6/30/2014
• Doc Name: 2nd Quarter 2014 Sedimentation Pond Inspection Report
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JHB
• Email Name: DIH
• Media Type: D
• Archive: No

SENECA SEDIMENT PONDS
CAPACITY TRENDS
Pond
Designation
Req'd Water
Capacity(')
(ac -ft)
Current Remaining Water Capacity ('-)
ac -ft
2008
2009
2010
2011
2012
2013
Y - 010
3.08
7.6
7.6
7.8
8.0
8.0
7.7
TR -37
Y - 011
0.99
3.6
3.6
3.6
3.6
3.6
3.7
TR -37
Y - 011A
0.63 3
NA
NA
NA
NA
Nil
NA
TR -37
Y - 012
0.767
0.7
0.7
1.1
0.83
1.2
1.3
TR -37
Y -012A
6.3
6.3
6.1
5.6
5.0
4.6
Y - 013
1.325
4.5
4.4
4.5
4.4
4.3
4.5
TR -37
Y - 014
1.60
10.5
7.5
7.6
7.5
7.5
7.5
TR -37
Note:
( *) Required every 2 yrs - nest survey 2014
(1) Based on SEDCAD results for a 10 yr /24 hr storm event.
(2) Remaining capacity below principal spillway or orifice.
(3) TR 37, page 13- 4A.1 -A.9 (stock pond)
Sgcfpl /Jay James /Sed Pond Volumes /sed pond annual capacity