2017-05-02_HYDROLOGY - C1981018

• Permit No: C1981018
• IBM Index Class Name: Hydrology
• Doc Date: 5/2/2017
• Doc Name: Quarterly Sediment Pond/Impoundment Report
• From: Blue Mountain Energy
• To: DRMS
• Annual Report Year: 2017
• Report Quarter_Month: 1
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

Note: Seepage from channel out of SDH -3U is low enough to not jepardise the embankment. Minimal downcutting was
observed and it remains stable. Plans are to continue watching this area and repair with chip bentonite if conditions worsen
Otherwise, repairs will occur in the Spring once the ground thaws.
Inspection Categories
Erosional
First Quarter 2017
Rills & Gullies
i Adequate
Channel
Embankment; I
on Embankment_ I Vegetation
Erosion
Burrows
Other I Comments/
# Name
Date
Yes No
Yes
No
Yes No
Yes No
Yes No Maintenance Required
i l j DP-1
3/30
X
X
I
X
X
X
2 1 RP-1
3/30
X
X
X
X
X i
3 E RP-2/3
3/30
X
X
X
X
X
4 j RP-4
3/30
X
X
X
X
X :Filled in holes
S RP-5
3/30
X
X
X
X
X ;Filled in holes
6 f RR-1 j
3/30
X
X
X
X
X
7 RRS
3/30
X
X
X
X
X
8 SS-1
3/30
X
X
X
X
X
9 SS-2
3/30
X
X
X
X
X
10 r HSL-1
3/30
X
X
X
X
X
11 j SDH-2U 'inactive
X
X
XX
! X Shut off 2/96 due to mine seating
12 SDH-2L
inactive
X
X
X
X
i X Shut off 2/96 due to mine sealing
13 ! SDH-3L !
3/30
X
X
X
X
X Pumping stopped 9/21/2016
14 SDH-3M
3/30
X
X
X
X
X
15 SDH-3U
3/30
X
X
X
X
X
16 TS-1
3/30
X
X
X
X
X
17 TS-2
3/30
X
X
X
X
X
181 TS-2a
3/30
X
X
X
X
X i
? 19 ! BD-1
3/30 I
X
X
X -
X
j X jSeeded Fall 2012
201 BD-2 '
3/30
X
X
X
X
! X !Seeded Fall 2012
21 I BD-3
3/30 i
X
X
X
X
X jSeeded Spring 2014
22 ; BD-4
3/30 j
j X
X
X
X
X 'Seeded Fall 2012
231
BD-5
3/30
X
X
X
X
X !Seeded Fall 2012
24
! BD-6
3/30
X
+ X
X
X
X (Seeded Fall 2012
25 i BD-7
3/30
X
; X
X
X
X )Seeded fall 2014
261 BD-LC ;
3/30
X
j X
j
X
X
X jSeeded Fall 2014
271
PP-1
3/30
X
X
X
X
X
1261
PP-2
3/30
X
X
X
X
X
j 271 RW-1 j
3/30 !
X
X
X
X
X j
structural
Differential
Cracks or
j'
Settling
Slides
Seepage
Other
i; # ! Name
Date
Yes No
Yes
j No
Yes No
Yes No
Comments/Maintenance Required
1 DP-1
3/30
X
X
X
X
;Small vertical hole top of embankment repaired
2 RP-1 !
3/30
X
X
X
X
3 RP-2/3
3/30
X
X
X
X
4 RP-4
3/30 j
X
X
X
X
5 RP-5
3/30
X
X
X
X
No cracks observed
6 RR-1
3/30
X
X
X
X
7 RRS
3/30
X
X I
X
X
8 SS-1
3/30
X
X
X
X
9 SS-2
3/30
X
X
X
X
i
10I HSL-1
3/30 !
X
l X
X
X
11 ! SDH-2U
inactive 1
i X
X
X
X
iShut off 2/96 due to mine sealing
12 SDH-2L
inactive j
X
X
X
X
Shut off 2/96 due to mine sealing
13: SDH-3L
3/30 j
X
X
X
X
Pumping stopped 9/21/2016
14'SDH-3M
3/30 t
X
X
X
X
- -
151 SDH-3U
3/30
X
-
X
X
X
161 TS-1
3/30 j
X
X!
X
X
171 TS-2
3/30 (
X
X
X a
j X
1181' TS-2a ,
3/30 ;
X
X
X
X!
19 s BD-1 !
3/30 j
X
X
X
X
Seeded Fall 2012
20, BD-2
3/30
X
X
X
X
!Seeded Fall 2012
1 211 BD-3
3/30
X
!
X
X
X
iSeeded Spring 2014
! 221 BD-4 i
3/30
X
X
X
X
;Seeded Fall 2012
23 BD-5 i
3/30 !
X
j
X
X
X
iSeeded Fall 2012
124 BD-6 i
3/30 (
X
X
X
X
Seeded Fall 2012
i 25
BD-73/30
I
X
i X
X I
X
!Seeded Fall 2014
26
BD-LC j
3/30
X
X
X
j X
!Seeded Fall 2014
27
PP-1 i
3/30 (
X
i
X
X
X
261
PP-2 j
3/30
X
X
X
- X
RW-1
3/30
X
X
X
X
Note: Seepage from channel out of SDH -3U is low enough to not jepardise the embankment. Minimal downcutting was
observed and it remains stable. Plans are to continue watching this area and repair with chip bentonite if conditions worsen
Otherwise, repairs will occur in the Spring once the ground thaws.