HomeMy WebLinkAboutDERR-2024-008200Kennecott South Facilities
Groundwater Remediation
2009 Progress Report
Stakeholder Forum
17 March 2010
Kennecott Utah Copper Environmental Restoration Group
Tonight’s Discussion
• Compliance with performance standards
• Zone A remediation progress
Performance Standards—CERCLA
• Extract a minimum of 1,200 acre-feet per year from the core
of the acidic water plume on a five-year rolling average
(ESD, June 2007)
• Maintain groundwater sulfate concentrations at Compliance
Wells at or below 1,500 mg/l (ESD, June 2007)
0
600
1,200
1,800
2,400
3,000
BFG2784 1706171
BFG1201 1,292 1,300 869 927 910
ECG1146 1,527 1,495 1,419 947 665
Total 2,819 2,796 2,289 2,579 1,746
5-Year Avg 1,648 2,108 2,361 2,576 2,446
2005 2006 2007 2008 2009
Acidic Water Extraction
Ac
r
e
-
F
e
e
t
p
e
r
Y
e
a
r
PROVISIONAL
0
500
1000
1500
2000
C
O
G
1
1
7
8
A
WJ
G
1
1
6
9
B
WJ
G
1
1
5
4
B
W1
8
9
P1
9
2
B
P1
9
4
B
EP
G
1
1
6
5
A
BS
G
1
1
3
5
B
HM
G
1
1
2
3
A
HM
G
1
1
2
6
B
Sulfate in Compliance Wells 3Q09
Su
l
f
a
t
e
(
m
g
/
l
)
Performance Standards—NRD
• Extract a minimum of 400 acre-feet per year from the core
of the acidic water plume on a five-year rolling average
(Consent Decree, August 1995)
• Deliver between 3,150 and 3,850 acre-feet of municipal
quality water annually to Jordan Valley Water Conservancy
District (Three Party Agreement, August 2004)
• Deliver 3,500 acre-feet of municipal quality water on a five-
year rolling average to Jordan Valley (Three Party
Agreement, August 2004)
• Provide water to Jordan Valley that has concentrations at or
below 250 mg/l total dissolved solids (Project Agreement,
August 2004)
0
600
1,200
1,800
2,400
3,000
3,600
4,200
4,800
5,400
6,000
LTG1147 292 374 307 30 896
BFG1200 1,080 2,244 2,353 2,464 2,164
B2G1193 2,093 2,188 2,225 2,464 2,268
Total 3,465 4,806 4,885 4,958 5,328
5-Year Avg 5,207 5,071 4,910 4,709 4,688
2005 2006 2007 2008 2009
Barrier Well Extraction
Ac
r
e
-
F
e
e
t
p
e
r
Y
e
a
r
Zone A Treatment Plant Water
Delivery
Ac
r
e
-
F
e
e
t
p
e
r
Y
e
a
r
2,450
2,800
3,150
3,500
3,850
4,200
Annual 3,843 3,299 3,543 2,592
Rolling Avg 3,843 3,571 3,562
YE 5/31/07 YE 5/31/08 YE 5/31/09 YTD 2/28/10
Zone A Treatment Plant Delivered
Water Quality
150
175
200
225
250
275
30001/0803/0805/0807/0809/0811/0801/0903/0905/0907/0909/0911/0901/10To
t
a
l
D
i
s
s
o
l
v
e
d
S
o
i
l
d
s
(
m
g
/
l
)
Zone A Remedial Progress
PROVISIONAL
PROVISIONAL
PROVISIONAL
a) ECG1146
Jan-08 May-08 Sep-08 Jan-09
GP
M
0
200
400
600
800
1000
1200
b) BSG1201
Jan-08 May-08 Sep-08 Jan-09
GP
M
0
200
400
600
800
1000
1200
c) BSG2784
Jan-08 May-08 Sep-08 Jan-09
GP
M
0
200
400
600
800
1000
1200
PROVISIONAL
a) ECG1146
Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 Sep-09 Oct-09 Nov-09 Dec-09 Jan-10
GP
M
0
200
400
600
800
1000
1200
b) BSG1201
Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 Sep-09 Oct-09 Nov-09 Dec-09 Jan-10
GP
M
0
200
400
600
800
1000
1200
c) BSG2784
Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 Sep-09 Oct-09 Nov-09 Dec-09 Jan-10
GP
M
0
200
400
600
800
1000
1200
PROVISIONAL
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
0
5000
10000
15000
20000
25000
30000
35000
40000
ECG1128A SO4
ECG1128B SO4
ECG1128C SO4
ECG1128A DTW
Sc
r
e
e
n
e
d
I
n
t
e
r
v
a
l
s
a
n
d
D
e
p
t
h
t
o
W
a
t
e
r
(
f
e
e
t
b
e
l
o
w
g
r
o
u
n
d
s
u
r
f
a
c
e
)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
A
B
C
Su
l
f
a
t
e
(
m
g
/
l
)
ECG1128 ABC PROVISIONAL
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
0
5000
10000
15000
20000
25000
30000
35000
BSG1177A SO4
BSG1177B SO4
BSG1177C SO4
BSG1201 SO4
BSG1177A DTW
Sc
r
e
e
n
e
d
I
n
t
e
r
v
a
l
s
a
n
d
D
e
p
t
h
t
o
W
a
t
e
r
(
f
e
e
t
b
e
l
o
w
g
r
o
u
n
d
s
u
r
f
a
c
e
)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
A
B
C
BSG1177 ABC - BSG1201
Su
l
f
a
t
e
(
m
g
/
l
)
PROVISIONAL
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
0
1000
2000
3000
4000
5000
6000
7000
8000
B2G1157A SO4
B2G1157B SO4
B2G1157C SO4
B2G1193 SO4
B2G1157B DTW
Sc
r
e
e
n
e
d
I
n
t
e
r
v
a
l
s
a
n
d
D
e
p
t
h
t
o
W
a
t
e
r
(
f
e
e
t
b
e
l
o
w
g
r
o
u
n
d
s
u
r
f
a
c
e
)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
A
B
C
B2G1157 ABC
Su
l
f
a
t
e
(
m
g
/
l
)
PROVISIONAL
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
0
100
200
300
400
500
600
700
WJG1154A SO4
WJG1154B SO4
WJG1154C SO4
WJG1154B DTW
Sc
r
e
e
n
e
d
I
n
t
e
r
v
a
l
s
a
n
d
D
e
p
t
h
t
o
W
a
t
e
r
(
f
e
e
t
b
e
l
o
w
g
r
o
u
n
d
s
u
r
f
a
c
e
)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
A
B
C
Su
l
f
a
t
e
(
m
g
/
l
)
WJG1154 ABC PROVISIONAL
PROVISIONAL
PROVISIONAL
Want more information?
• www.kennecott.com/cleanup/southend/
– Decision documents
– Work plans
– Annual groundwater remedial progress reports
– Annual reporting on NRD activities
• www.deq.utah.gov/Issues/nrd/index.htm