summary of model prediction runs
TRANSCRIPT
Existing Loc. New Loc.
BOD/TSS TP GIPOP 1* GIPOP 2*
0
92000
*Current Location of GIPOP is at Upper Narrows, approximately 5 miles upstream from dam. A new location for a second oxygen injection system was investigated at Lower Narrows at a depth of 50' and approximately 3 miles upstream from the dam.
Model Run
Oxygen Injection (ppd)
92000 0
1A 55% 72%
0B
54%
0D
2A 0 11%
0 64%0
92000
Paper Mills =0 Municipal = Actual
2B
Actual (98-00)
15%Actual (98-00)
0 40%0
20%Actual Flow
98-00
92000
7%
3B 0
67% Point Source TP
920003A 0 7%
0
1% 4%
4B 0
Actual (98-00)
40% Point Source TP
4A 92000
40% 54%
0
5B 92000
5A 10% Actual
4%
37% 54%
1% 1%
Actual (98-00)
6A 67% Point Source TP 45000 90000 1%
6B 40% Point Source TP 35000 70000
86%1B
40% Point Source TP
25% Actual
50% Actual5C
LicenseLic. Flow
Actual Conc.
0
1%
2%0
0
0
4% 6%
0
6%
Summary of Model Prediction Runs
Maximum Chl a (ppb)
2.4
7
0 010% 29%
0A
Point Source Conditions% of Pond Volume < DO Criteria
Minimum DO < 5 ppm Mo Ave DO < 6.5 ppm
1%
0% 1%
7.6
12.4
7.6
18.6
16.6
12.4
7.6
Androscoggin River Modeling Report - May 2002Executive Summary
DEPLW2001.11Page 4
Figure 1Percentage of Gulf Island Pond
Not Meeting Minimum Class C Dissolved Oxygen Criteria
0%
2%
4%
6%
8%
10%
12%
14%
16%
18%
Summer Data
% V
olu
me in
No
n-A
ttainm
ent
92 93 94 95 98 99
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 5
Figure 2Summary of Gulf Island Pond Chlorophyll A Data 1998 - 2000
0
10
20
30
40
50
60
15-Apr 24-Jul 01-Nov 09-Feb 20-May 28-Aug 06-Dec 15-Mar 23-Jun 01-Oct 09-Jan
Ch
l a (pp
b)
Turner Bridge
Upper Narrows
Lower Narrows
GIP4
Deep Hole
1998 1999 2000
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 6
Figure 3Time of Travel Androscoggin River
0
2
4
6
8
10
12
14
16
18
020406080100120140
River Mile
Cu
mu
lative Tim
e of T
ravel (days)
1000 cfs
2000 cfs
3000 cfs
4000 cfs
5000 cfs
Flow at Rumford
Berlin
Rum
ford
Jay
G I D
am
Tw
in Bridges
Androscoggin R
iver Modeling R
eport - May 20012- P
age 7
Figure 4Gulf Island Pond Summer 1999
% Volume of Dissolved Oxygen Non-Attainment Vs Chlorophyll a
0.00%
2.00%
4.00%
6.00%
8.00%
10.00%
12.00%
07-J
un
10-J
un
14-J
un
17-J
un
23-J
un
28-J
un
06-J
ul
08-J
ul
12-J
ul
14-J
ul
23-J
ul
30-J
ul
02-A
ug
05-A
ug
09-A
ug
12-A
ug
15-A
ug
19-A
ug
23-A
ug
26-A
ug
31-A
ug
02-S
ep
07-S
ep
14-S
ep
% o
f Po
nd
Vo
lum
e in N
on
-Attain
men
t Class C
DO
0
5
10
15
20
25
30
35
Ch
loro
ph
yll a
(p
pb
)
% Vol DO Non-attainment
Ave Chl a
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 10
Figure 5Gulf Island Pond Summer 1999
% Volume of Dissolved Oxygen Non-Attainment Vs Temperature
0
5
10
15
20
25
30
01-J
un
06-J
un
11-J
un
16-J
un
21-J
un
26-J
un
01-J
ul
06-J
ul
11-J
ul
16-J
ul
21-J
ul
26-J
ul
31-J
ul
05-A
ug
10-A
ug
15-A
ug
20-A
ug
25-A
ug
30-A
ug
04-S
ep
09-S
ep
14-S
ep
19-S
ep
River T
emp
erature (C
)
0
2
4
6
8
10
12
% o
f P
on
d in
No
n-A
ttai
nm
ent
of
Cla
ss C
DO
Cri
teri
a
Temp (C) Gulf Island Dam 50' Depth
Temp (C)Turner Brudge
% Volume Pond DO Non-Attainment
Stratification Stratification Stratification
MixMix
Mix
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 11
Figure 6Gulf Island Pond Summer 1999
% Volume of Dissolved Oxygen Non-Attainment Vs Temperature Vs Flow
0
5
10
15
20
25
30
01-J
un
06-J
un
11-J
un
16-J
un
21-J
un
26-J
un
01-J
ul
06-J
ul
11-J
ul
16-J
ul
21-J
ul
26-J
ul
31-J
ul
05-A
ug
10-A
ug
15-A
ug
20-A
ug
25-A
ug
30-A
ug
04-S
ep
09-S
ep
14-S
ep
19-S
ep
River T
emp
(C)
-1
1
3
5
7
9
11
13
15
Temp (C) Gulf Island Dam 50' Depth
Temp (C)Turner Brudge
% Volume Pond DO Non-Attainment
River Flow at Rumford (Thousands of CFS)
1730 cfs
31300 cfs
Stratification
Stratification
Stratification
Mix Mix
Mix
O =
Riv
er F
low
in T
ho
usa
nd
s o
f C
FS
X =
% V
olu
me
In N
on
-Att
ain
men
t
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 12
Figure 7Gulf Island Pond Summer 1999
% Volume of Dissolved Oxygen Non-Attainment Vs Temperature Vs Chlorophyll A
0
5
10
15
20
25
30
01-J
un
06-J
un
11-J
un
16-J
un
21-J
un
26-J
un
01-J
ul
06-J
ul
11-J
ul
16-J
ul
21-J
ul
26-J
ul
31-J
ul
05-A
ug
10-A
ug
15-A
ug
20-A
ug
25-A
ug
30-A
ug
04-S
ep
09-S
ep
14-S
ep
19-S
ep
Tem
peratu
re (C)
0
5
10
15
20
25
30
35
% V
olu
me
in N
on
-Att
ain
men
t
or
C
hl a
(p
pb
)
Temp (C) Gulf Island Dam 50' Depth
Temp (C)Turner Brudge
% Volume Pond DO Non-Attainment
Chl a
Stratification Stratification StratificationMix
Mix
Mix
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 13
NH3 Flux PO4 Flux
Settling
Settling
Atmospheric Reaeration
CBOD
Dissolved Oxygen
NH3-N
PHYTOPLANKTONOPO4Growth and Nutrient Consumption
Death and Nutrient Recycling
Nitrification
Denitrification
Light
Pho
tosy
nthe
sis
R
espiration
Figure 7a WASP Model Schematic
N2
NO3-N
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 16
Sediment
ON OP
Settling
SO
D
Androscoggin River Modeling Report - May 2002 - Page 17
8
1
2
3
4
27
Jay Dam
Twin Bridges
13
14Livermore Falls Dam
Gulf Island Pond WASP Model
Livermore Falls, ME
Dead River
15
16
International Paper Co.
Peru
Canton
Rumford Falls Dam Swift River
Mead Paper Co.Rumford-Mexico, ME
Webb River
12
10
Pulp and Paper America Burgess MillBerlin, NH
Ellis River
Gorham, NHPeabody River
Wild River
Bethel, ME
Pulp and Paper America Cascade Mill
100
110
9
6
11
7
Figure 8Qual2EU Model Setup for Upper Androscoggin River
River Mile134
120
InputsSample LocationsBerlin
Gorham
Gilead
Bethel
5
ME / NH State Line
Virginia Bridge
Rumford Point
Gulf Island Dam
50
41
90
70
60
80
Riley Dam
L. Narrows
0
Bed segments in bold-face print
Figure 9WASP Model Segmentation for Gulf Island Pond
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 18
Nezinscot R
iver
2253 54
9
10
5219
70
60
13
40
15 18 2145 46 12
16
24
33
5550
30
Depth ft
51
25
41
37
26 32 38
35
River Mile36 35 34 33 32 31 30 29 27
58
43
56
28
29
30
4034
4236
8
57
39
11 14 17 20
27
23
315 6 7
47 48 49 5044
40
20
U. Narrows GIP4 Deep Hole
38 37 28
Twin Bridges
60
3
Turner Bridge
39
2 4
41
110
Figure 10Androscoggin River Flow
August 2000
0
500
1000
1500
2000
2500
3000
3500
4000
4500
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Flo
w (cfs)
Rumford
Turner
Sampling Dates
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 25
Figure 11 - Model Calibration of Ultimate BOD - August 2000 Data
Turner Bridge
2
3
4
5
6
7
8
01-Aug 06-Aug 11-Aug 16-Aug 21-Aug 26-Aug 31-Aug
CB
OD
u (p
pm)
Data Uncorr
Data Corr
Model
Upper Narrows
2
3
4
5
6
7
01-Aug 06-Aug 11-Aug 16-Aug 21-Aug 26-Aug 31-Aug
CB
OD
u (p
pm)
Data Uncorr
Data Corr
Model
Lower Narrows
3
3.5
4
4.5
5
5.5
6
01-Aug 06-Aug 11-Aug 16-Aug 21-Aug 26-Aug 31-Aug
CB
OD
U (
ppm
)
Data Uncorr
Data Corr
Model
Deep Hole
0
1
2
3
4
5
6
01-Aug 06-Aug 11-Aug 16-Aug 21-Aug 26-Aug 31-Aug
CB
OD
u (p
pm)
Data Uncorr
Data Corr
Model
Androscoggin River Modeling Report - May 2002Page 26
Figure 12Model Solar Radiation
0
100
200
300
400
500
600
700
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
So
lar Rad
iation
(Lan
gleys/d
ay)
Aug-00
Aug-84
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 27
Figure 13 - Model Calibration of Chlorophyll a - August 2000 Data
Turner Bridge
012345678
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Chl
a (
ppb)
Data
Model
Upper Narrows
0
2
4
6
8
10
12
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Chl
a (
ppb)
Data
Model
Lower Narrows
02468
10121416
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Chl
a (
ppb)
Data
Model
Deep Hole
02468
10121416
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Chl
a (
ppb)
Data
Model
Androscoggin River Modeling Report - May 2002Page 28
Figure 14 - Model Calibration of Total Nitrogen - August 2000 Data
Turner Bridge
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal N
itro
gen
(p
pm
)
TN Data
TN Model
Upper Narrows
0
0.1
0.2
0.3
0.4
0.5
0.6
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal N
itro
gen
(p
pm
)
TN Data
TN Model
Lower Narrows
0
0.2
0.4
0.6
0.8
1
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal N
itro
gen
(p
pm
)
TN Data
TN Model
Deep Hole
0
0.1
0.2
0.3
0.4
0.5
0.6
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal N
itro
gen
(p
pm
)
TN Data
TN Model
Androscoggin River Modeling Report - May 2002Page 29
Figure 15 - Model Calibration of Total Phosphorus - August 2000
Turner Bridge
010203040506070
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal P
ho
sph
oru
s (p
pb
)
TP Data
TP Model
Upper Narrows
0
10
20
30
40
50
60
70
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal P
ho
sph
oru
s (p
pb
)
TP Data
TP Model
Lower Narrows
0
10
20
30
40
50
60
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal P
ho
sph
oru
s (p
pb
)
TP Data
TP Model
Deep Hole
0
10
20
30
40
50
60
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
To
tal P
ho
sph
oru
s (p
pb
)
TP Data
TP Model
Androscoggin River Modeling Report - May 2002Page 30
Figure 16 - Model Verticle Dispersion Rate
August 2000 Calibration
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Ver
ticl
e D
isp
ersi
on
(cm
2/se
c)
Most Reaches
Reaches18-19, 23-24
Reaches 41-42, 42-43
Large Runoff Event
20
August 1984 Verification
0
1
2
3
4
5
6
7
8
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Ver
ticl
e D
isp
ersi
on
(cm
2/se
c)
Most Reaches
(reaches 41-42, 42-43)
Androscoggin River Modeling Report - May 2002Page 31
Figure 17 Continuous Model Calibration of Dissolved Oxygen
Turner Bridge Monitor August 2000
0
1
2
3
4
5
6
7
8
9
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
Disso
lved O
xygen
(pp
m)
Data High
Data Ave
Data Low
Model
Androscoggin R
iver Modeling R
eport - May 2002 - P
age 32
Figure 18 - Continuous Model Calibration of Dissolved Oxygen - Gulf Island Dam - August 2000
Above Gulf Island Dam Monitor 5' Depth
0
2
4
6
8
10
12
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
D.O
. (p
pm
)
Max
Ave
Min
Model
Above Gulf Island Dam Monitor 35' Depth
0
1
2
3
4
5
6
7
8
9
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
DO
(p
pm
) Max
Ave
Min
Model
Above Gulf Island Dam Monitor 63' Depth
0123456789
10
28-Jul 02-Aug 07-Aug 12-Aug 17-Aug 22-Aug 27-Aug 01-Sep 06-Sep
DO
(p
pm
) Max
Ave
Min
Model
Androscoggin River Modeling Report - May 2002Page 33
Figure 19a - Calibration of Dissolved Oxygen by River Mile - August 9, 2000
D0 Top Layer 8-9-00
0123456789
10
25272931333537394143
River Mile
Do
(ppm
)
Data High
Data Ave
Data Low
Model
D0 Middle Layer 8-9-00
0
1
2
3
4
5
6
7
8
9
25262728293031323334
River Mile
Do
(ppm
) Data High
Data Ave
Data Low
Model
D0 Bottom Layer 8-9-00
0123456789
10
25262728293031323334
River Mile
Do
(ppm
) Data High
Data Ave
Data Low
Model
Androscoggin River Modeling Report - May 2002DEPLW2001-11
Page 34
Androscoggin River Modeling Report - May 2002DEPLW2001-11
Page 34
Androscoggin River Modeling Report - May 2002DEPLW2001-11
Page 34
Figure 19b - Calibration of Dissolved Oxygen by River Mile - August 15, 2000
D0 Top Layer 8-15-00
0
1
2
3
4
5
6
7
8
9
2530354045
River Mile
Do
(ppm
) Data High
Data 10' Depth Profile
Data Low
Model
D0 Middle Layer 8-15-00
0
1
2
3
4
5
6
7
8
9
25262728293031323334
River Mile
DO
(pp
m)
Data High
Data Ave
Data Low
Model
D0 Bottom Layer 8-15-00
0123456789
10
25262728293031323334
River Mile
Do
(ppm
) Data High
Data Ave
Data Low
Model
Androscoggin River Modeling Report - May 2002DEPLW2001-11
Page 35
Figure 19c - Calibration of Dissolved Oxygen by River Mile - August 31, 2000
D0 Top Layer 8-31-00
0
2
4
6
8
10
12
25272931333537394143
River Mile
Do
(ppm
) Data High
Data Ave
Data Low
Model
D0 Middle Layer 8-31-00
0
2
4
6
8
10
12
25262728293031323334
River Mile
Do
(ppm
) Data High
Data Ave
Data Low
Model
D0 Bottom Layer 8-31-00
0
2
4
6
8
10
12
25262728293031323334
River Mile
DO
(pp
m) Data High
Data Ave
Data Low
Model
Androscoggin River Modeling Report - May 2002DEPLW2001-11
Page 36
Androscoggin River Modeling Report - May 2002DEPLW2001-11
Page 36
Figure 20 - Model Verification of the August 1984 Data in Gulf Island Pond
Carbonaceous BOD
0
2
4
6
8
10
12
262830323436384042
River Mile
CB
OD
(p
pm
)
Data High
Data Ave
Data Low
Model
Chlorophyll A
0
1
2
3
4
5
6
262830323436384042
River Mile
Ch
l a (
pp
b)
Data High
Data Ave
Data Low
Model
PO4-P
0
5
10
15
20
25
30
25272931333537394143
River Mile
PO
4-P
(pp
b)
Data High
Data Ave
Data Low
Model
Androscoggin River Modeling Report - May 2002Page 37
Androscoggin River Modeling Report - May 2002Page 37
Figure 20a - Model Verification of the August 1984 DO in Gulf Island Pond
D0 Top Layer Aug 1984
0
1
2
3
4
5
6
7
8
25272931333537394143
River Mile
DO
(pp
m)
Data High
Data Ave
Data Low
Model
D0 Middle Layer Aug 1984
0
1
2
3
4
5
6
7
8
25262728293031323334
River Mile
DO
(pp
m) Data High
Data Ave
Data Low
Model
D0 Bottom Layer Aug 1984
0
1
2
3
4
5
6
7
8
25262728293031323334
River Mile
DO
(pp
m) Data High
Data Ave
Data Low
Model
Androscoggin River Modeling Report - May 2002DEPLW2001-11
Page 38