2018-01-19_HYDROLOGY - C1981018

• Permit No: C1981018
• IBM Index Class Name: Hydrology
• Doc Date: 1/19/2018
• Doc Name: Quarterly Sediment Pond/Impoundment Report
• From: Blue Mountain Energy
• To: DRMS
• Annual Report Year: 2017
• Report Quarter_Month: 4
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

Inspection Categories
Erosional
Fourth Quarter 2017
#
Name
Date
Rills & Gullies
on Embankment
Yes No
Adequate
Vegetation
Yes No
Channel
Erosion
Yes No
Embankment
Burrows
Yes No
Other
Yes No
Comments/
Maintenance Re wired
1
DP -1
12/15
X
X
X
X
X
RP -1
2
RP -1
12/15
X
X
X
X
X
12/15
3
RP -2/3
12/15
X
X
X
X
X
Filled in holes
4
RP -4
12/15
X
X
X
X jiX
X
X
5
RP -5
12/15
X
X
X
X
X
X
6
RR -1
12/15
X
X
X
X
X
X
7
RRS
12/15
X
X
X
X
X
8
5S-1
12/15
X
X
X
X
X
10
9
SS -2
12/15
X
X
X
X
X
SDH -2U
10
HSL -1
12/15
X
X
X
X
X
inactive
11
SDH -2U
inactive
X
X
X
X
X
Shut off 2/96 due to mine sealing
12
SDH -2L
inactive
X
X
X
X
X
Shut off 2/96 due to mine sealing
13
SDH -31-
12/18
X
X
X
X
X
X
14
SDH -3M
12/18
X
X
X
X
X
X
15
SDH -3U
12/18
X
X
X
X
X
16
TS -1
12/15
X
X
X
X
X
19
17
TS -2
12/15
X
X
X
X
X
BD -2
18
TS -2a
12/15
X
X
X
X
X
12/15
19
BD -1
12/15
X
X
X
X
X
Seeded Fall 2012
20
BD -2
12/15
X
X
X
X
X
Seeded Fall 2012
21
BD -3
12/15
X
X
X
X
X
Seeded Spring 2014
22
BD -4
12/15
X
X
X
X
X
Seeded Fall 2012
23
BD -5
12/15
X
X
X
X
X
Seeded Fall 2012
24
BD -6
12/15
X
X
X
X
X
ISeeded Fall 2012
25
BD -7
12/15
X
X
X
X
X
Seeded Fall 2014
26
BD -LC
12/15
X
X
X
X
X
Seeded Fall 2014
27
BD2-3
12/15
X
X
X
X
X
Seeded Spring & Fall 2017
28BD2-4
X
12/15
X
X
X
X
X
Seeded Spring & Fall 2018
29
BD2-5
12/15
X
X
X
X
X
Seeded Spring & Fall 2019
30
PP -1
12/15
X
X
X
X
X
31
PP -2
12/15
X
X
X
X
X
32
RW -1
12/15
X
X
X
X
X
Structural
#
Name
Date
Differential
Settling
Yes No
Cracksor
Slides
Yes No
Seepage
Yes No
Other
Yes No
Comments/Maintenance Required
1
DP -1
12/15
X
X
X
X
2
RP -1
12/15
X
X
X
X
3
RP -2/3
12/15
X
X
X
X
4
RP -4
12/15
X
X
X
X
5
RP -5
12/15
X
X
X
X
No cracks observed
6
RR -1
12/15
X
X
X
X
7
RRS
12/15
X
X
X
X
8
SS -1
12/15
X
X
X
X
9
SS -2
12/15
X
X
X
X
10
HSL -1
12/15
X
X
X
X
11
SDH -2U
inactive
X
X
X
X
Shut off 2/96 due to mine sealing
12
SDH -2L
inactive
X
X
X
X
Shut off 2/96 due to mine sealing
13
SDH -31-
12/18
X
X
X
X
14
SDH -3M
12/18
X
X
X
X
15
SDH -3U
12/18
X
X
X
X
16
TS -1
12/15
X
X
X
X
17
TS -2
12/15
X
X
X
X
18
TS -2a
12/15
X
X
X
X
19
BD -1
12/15
X
X
X
X
20
BD -2
12/15
X
X
X
X
21
BD -3
12/15
X
X
X
X
22
BD -4
12/15
X
X
X
X
23
BD -5
12/15
X
X
X
X
24
BD -6
12/15
X
X
X
X
25
BD -7
12/15
X
X
X
X
26
BD -LC
12/15
X
X
X
X
30
BD2-3
12/15
X
X
X
X
31
BD2-4
12/15
X
X
X
X
32
BD2-5
12/15
X
X
X
X
Seepage being watched closely (see Note)
30
PP -1
12/15
X
X
X
X
31
PP -2
12/15
X
X
X
X
32
RW -1
12/15
X
X
X
X
Note: Seepage from BD2-5 is being closely watched with no signs of material transport. While we do not believe that the
structure is in danger of failing it would drain to and be controlled by BD2-3 pond If It did fail.