april 27-28, 2007 barnes & tucker project€¦ · barnes-watkins refuse pile, barnes and...
TRANSCRIPT
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Barnes & Tucker Project
Daniel Sammarco,P.E.Jon Smoyer, P.G.
DEP-Bureau of Abandoned Mine ReclamationCambria Office
[email protected]@state.pa.us
Project Team:Art Crossman Darryl AudiaPat Webb Bob OshabenKen Bobak Max Scheeler
West Branch Susquehanna Restoration SymposiumApril 27-28, 2007
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OutlineA. Background
B. Project Assessment- inter-basin transfer- Blacklick Creek - West Branch Susquehanna River
C. Project Design
D. Q&A
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X Project Location
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A. Background – existing plant
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Mahaffey, Pa
Curwensville Dam
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Barnes & Tucker filed bankruptcy in 2001 – Cleans
Streams Foundation takes over operation of the
Dumans Plant
DEP explores long-term operation alternatives.
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…a Win – Win Scenario
www.srbc.netwww.dep.state.pa.us
more efficient treatment needed existing pumping costs are high trust fund is limited mine pool resource recovery
agricultural consumptive use demands approx. 25 miles of stream restored allows for increased low flow releases
from the Curwensville reservoir SRBC, through a PA General Assembly
grant, will contribute $3.9 milliontowards long-term O&M.
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Duman Treatment Plant
Proposed New Treatment Area
1970 Blow out Area
Eastern Continental Divide
B. Project Assessment - Inter-basin Transfer
OSM: Hawkins,Perry
x
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Inter-basin Transfer (IT)
1. PA law requires projects involving IT to have a NPDES permit.
2. Assessment of watershed basins’ (Susquehanna and Ohio )
West Branch Susquehanna Ohio River Basin
> restore ~25 miles stream > BAMR commitment to treat the Red Mill, Vinton #6,
> addresses water demand issues and Wehrum discharges
> continue AML and AMD remediation projects
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Susquehanna River BasinOhio River Basin
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pH – 7.3Total Iron: 0.50 mg/lTotal Al: 0.28 mg/lTotal SO4 : 62.6 mg/lAlkalinity: 38 mg/l
pH – 7.9Total Iron: <.30mg/lTotal Al: <.50 mg/lTotal SO4 : 34.3 mg/lAlkalinity: 55 mg/l
pH – 3.7Total Iron: 8.1 mg/lTotal Al: 13.6 mg/lTotal SO4 : 420.0 mg/lAlkalinity: -150 mg/lAvg. Flow: 1450 mg/l
B. B. Project Assessment – Blacklick Creek
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Barnes & Tucker Lancashire No. 15pH – 7.4Total Iron: 1.5 mg/lAlkalinity: 194 mg/lAvg. Flow: 4689 gpmTHAT’S AN AVERAGE OF 10934 LBS/DAYALKALINITY LOST FROM THE BLACKLICK WATERSHED!
Eastern Associates Coal Co. – Colver PlantpH: 7.8Total Iron: 1.90Alkalinity: 58 mg/lAvg. Flow: 2430 gpm
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North Branch Blacklick Creek above Elk CreekpH – 7.3Alkalinity: 31 mg/lTotal Iron: <0.3 mg/lTotal Al: < 0.3 mg/lVery low (< 200 gpm) flow during dry periods due to groundwater recharge lost to underground mines
Elk Creek Downstream at MouthpH - 8.0Alkalinity: 94 mg/lTotal Iron: 0.93 mg/lTotal Al: 0.55 mg/lTSS: 5.0 mg/l
Without B&T dischargeElk Creek at mouth:pH – 7.2Alkalinity: 10 – 50 mg/lTotal Iron: 0.5 –2.0 mg/lTotal Al: 0.5 mg/l
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North Branch Blacklick below Elk CreekpH – 8.0Alkalinity: 95 mg/lTotal Iron: 0.55 mg/lTotal Al: <.5mg/l
Red Mill Discharge – Commercial No. 16 minepH- 3.5Hot Acidity: 172.6 mg/lTotal Iron: 52 mg/lTotal Al: 7.7 mg/lAvg. Flow: 210 gpm
Without B&T discharge, North Branch Blacklick belowRed Mill:pH – 6.9Alkalinity: 18 mg/lTotal Iron: .92 mg/lTotal Al: 0.6 mg/l
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North Branch aboveVintondalepH – 7.3Alkalinity: 46 mg/lTotal Iron: 1.7 mg/lTotal Al: 0.5 mg/l
Vintondale BoreholesDischarge from Vinton #6 minepH- 4.9Hot Acidity: 307 mg/lTotal Iron: 136 mg/lTotal Al: 5.0 mg/lAvg. Flow: 2200 gpm
South Branch of Blacklick CreekpH- 6.03Hot Acidity: 24 mg/lTotal Iron: 2.21Total Al: 1.93NO BUFFERING HELP HERE!
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Wehrum Shaft DischargepH – 3.4Hot Acidity: 298 mg/lTotal Iron: 68 mg/lTotal Al: 20.1 mg/lAvg. Flow: 609 gpm
Blacklick Creek Above Wehrum ShaftpH- 6.4Hot Acidity: 11.4 mg/lTotal Iron: 2.08 mg/lTotal Al: 1.17 mg/l
Blacklick Creek below Wehrum ShaftpH – 6.4Hot Acidity: 14.0 mg/lTotal Iron: 4.8 mg/lTotal Al: 1.5 mg/l
Blacklick Creek without B&T’s water:pH –6.2Acidity – 20 mg/lTotal Iron – 5.5 mg/lTotal Al – 1.7 mg/l
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WHAT’S THE SOLUTION?
• Reclaim and remediate the refuse piles at Colver.
• Continue AMD remediation efforts in the South Branch Blacklick
treatRed Mill Mine
Vinton #6 mine
Wehrum mine
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B. Project Assessment – West Branch Susquehanna
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Barnes-Watkins Refuse Pile project
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West Branch- Net Alkalinity Barnes-Watkins Refuse
Pile, Barnes and Tucker, and Bear Run Projects
-300
-250
-200
-150
-100
-50
0
50
100
150
200
250
185.
0
192.
0
199.
0
206.
0
213.
0
220.
0
227.
0
234.
0
Stream Mile
mg/
l
PrePost
increase in Net AlkalinityWest Branch -Total Al
Barnes-Watkins Refuse Pile, Barnes and Tucker, and Bear Run Projects
0
5
10
15
20
25
30
185.
00
192.
00
199.
00
206.
00
213.
00
220.
00
227.
00
234.
00
Stream Mile
mg/
l PrePost
92% reduction in Al t
West Branch - Total Iron Barnes-Watkins Refuse Pile, Barnes and Tucker, and Bear
Run Projects
0
2
4
6
8
10
12
14
16
18
185.
00
192.
00
199.
00
206.
00
213.
00
220.
00
227.
00
234.
00
Stream Mile
mg/
l
PrePost
82% reduction in Fe t
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C. Project Design – Proposed Site Location
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C. Project Design – Exploratory Drilling Program
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1460
1465
1470
1475
1480
1485
1490
1495
1500
1505
1510
1515
7/2/20060:00
8/21/20060:00
10/10/20060:00
11/29/20060:00
1/18/20070:00
3/9/20070:00
4/28/20070:00
1479
1479.5
1480
1480.5
1481
1481.5
1482
1482.5
1483
1483.5
7/2/2006 0:00 8/21/2006 0:00 10/10/2006 0:00 11/29/2006 0:00 1/18/2007 0:00 3/9/2007 0:00 4/28/2007 0:00
1475.00
1480.00
1485.00
1490.00
1495.00
1500.00
1505.00
1510.00
0 50000 100000 150000 200000 250000 300000 350000
B1 - BOREHOLE (PATTERSON ROAD)
1470
1472
1474
1476
1478
1480
1482
1484
1486
1488
1490
8/23
/200
68/
24/2
006
8/25
/200
68/
26/2
006
8/27
/200
68/
28/2
006
8/29
/200
68/
30/2
006
8/31
/200
6
9/1/
2006
9/2/
2006
9/3/
2006
9/4/
2006
9/5/
2006
9/6/
2006
9/7/
2006
9/8/
2006
9/9/
2006
9/10
/200
6
9/11
/200
69/
12/2
006
9/13
/200
69/
14/2
006
9/15
/200
6
9/16
/200
69/
17/2
006
9/18
/200
69/
19/2
006
9/20
/200
69/
21/2
006
9/22
/200
69/
23/2
006
9/24
/200
69/
25/2
006
9/26
/200
69/
27/2
006
9/28
/200
69/
29/2
006
9/30
/200
6
10/1
/200
610
/2/2
006
10/3
/200
610
/4/2
006
10/5
/200
610
/6/2
006
DATE
AVE
RA
GE
ELEV
ATI
O
Draw Down Rate = -0.259'/Day
Draw Down Rate = -0.527'/Day
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Active Treatment - Dense Sludge Technology
Pre-Aeration Basin
Ferrous ReactorBasin
Floc. Clarifier/Thickener
Sludge ConditioningReactor
Hydrated lime
Mine pool
Underflow disposal
Polishing Pond
Polymer
Q design = 10.5 MGD
to WBSR
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Project Team: Art Crossman Daryl AudiaPat Webb Bob OshabenKen Bobak Max Scheeler
D. Q&A
existing proposed
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Hydrology Analysis-Plant effluent
100 year flow = 2400 cfs
Project flow ~ 16 cfs
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Maberry (2002-2003)6.
94
4.68
6.64
9.36
9.36
9.36
6.79
4.68
4.68
6.7 6.94
6.34
9.36
9.36
9.36
7.02
4.68
9.36
9.36
9.36
6.55
9.36
-1.2
-1.2
-2.5
-6.1
-13.
9
-15
-15
-11.
7
-6.2
-1.3
-1.3
-1.2
-2.5
-6.1
-8.8
-13.
9
-15
-15
-11.
7
-6.2
-1.3
-1.3
5.74
3.48 4.
14
3.26
-4.5
4
-5.6
4
-8.2
1 -7.0
2
-1.5
2
5.4 5.64
5.14
6.86
3.26
0.56
-6.8
8
-10.
32
-5.6
4
-2.3
4
3.16
5.25
8.06
7.84
-20
-15
-10
-5
0
5
10
15
Month
Flow
Rat
e (m
gdAve. Maberry Pump Rate (mgd)SRB Consumptive Use Need (mgd)Excess (+) / Deficit (-) Resultant (mgd)
1/02 2/02 3/02 4/02 5/02 6/02 7/02 8/02 9/02 10/02 11/02 12/02 1/03 2/03 3/03 4/03 5/03 6/03 7/03 8/03 9/03 10/03 11/03 12/03 Total
2Year
No
Mon
thly
Dat
a
No
Mon
thly
Dat
a