NC0039586_Harris Lake Sampling station_19880425

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Harris Lake sampling stations
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RE6ERVOIR
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ME
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0500' 1000'
I 1 I
0 150, 300m
Figure Harris Lake NPDES thermal monitoring transects. Arrows indicate usual direction
and distance of sampling.
2
1
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0500' 1000'
I 1 I
0 150, 300m
Figure Harris Lake NPDES thermal monitoring transects. Arrows indicate usual direction
and distance of sampling.

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Table _ Blowdown daily discharge on day of thermal monitoring.
Discharge
Date (Million Gallons/Day)
May 19, 1987 9.2
June 3, 1987 7.3
July 30, 1987 6.8
August 20, 1987 7.6
September 30, 1987 10.0
November 19, 1987 8.1
December 14, 1987 7.4
January 28, 1988 2.9
February 17, 1988 2.1
March 31, 1988 3.7
April 25, 1988 5.3

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Table _ Comparison of ambient surface temperature and blowdown
surface temperature during
Harris
NPDES thermal monitoring.
Surface Temperature ('C)
Ambient
Lake Surface
AT of
Blowdown
Sampling Date
At Blowdown Pipe
Temperature ('C)*
Vs. Ambient Stations**
May 19, 1987
24.1
(75.47)
25.1
(77.2°F)
-1.0'
(-1.8°F)
June 3, 1987
29.0
(84.2°F)
27.6
(81.7°F)
1.4°
(2.5"F)
July 30, 1987
29.8
(85.6°F)
30.1
(86.2°F)
-0.3'
(-0.57)
August 20, 1987
28.9
(84.0°F)
28.7
(83.7°F)
0.2"
(0.47)
September 30, 1987
25.0
(77.07)
25.2
(77.4°F)
0.2°
(0.4'F)
November 19, 1987
15.1
(59.2°F)
14.0
(57.2-F)
1.1°
(2.07)
December 14, 1987
11.9
(53.4°F)
10.0
(50.0°F)
1.9°
(3.4°F)
January 28, 1988
6.3
(43.3°F)
4.0
(39.2°F)
2.3°
(4.1°F)
February 17, 1988
6.9
(44.4°F)
6.5
(43.7"F)
0.4°
(0.77)
March 31, 1988
16.4
(61.57)
17.3
(63.1°F)
-0.9'
(-1.6°F)
April 25, 1988
17.0
(62.6°F)
18.1
(64.67)
-1.1°
(-2.0-F)
*Average of surface temperatures at Stations H2 and P2.
**Blowdown surface temperature minus ambient (H2 and P2 average) lake temperature.

28
26
�3 24
—22
20
v
0 18
16
14
12
10
0
NPDES Temperature Monitoring at Harris Lake
DATE=MAY 1.9, 1987 TRANSECT=1
1 2 3 4 5 6 7 8 9 10 11 12 13
Run time in minutes
+-+-* Surface E}oma Middle awe Bottom
NPDES Temperature Monitoring at Harris Lake
DATE=MAT 19, 1987 TRANSECT=3
28 326m
26
24
a n
� 22 �-n•e--e'" 'e -•B -•Er
20
v
u`> 18
16 s
a�
�- 14
12
10
508m
`u-W-8.,8•a.u-a-B- �,-a-B-13_o_e••8-Q
a-a-a--b-A- &_e -a -a
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Run time in minutes
-• • Surface 0-43-0 Middle a,-& Rollom
NPDES Temperature Monitoring at Harris Lake
DATE=MAY 19, 1987 TRANSECT=2
28 426m 417m
26
24
CU 22 _
_i1'•0-�-'Ei"a 9 _4'E} -p -Q'8 _9 6-H-U-a..8-U"a (E -E3 lJ
20
0
u 18 e
CL
E 16 'a'
14
12
10
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Run time in minutes
— Surface o- Middle s --0-a Bottom
28
26
C) 24
222
20
0
`0 18
E 16
u
14
12
10
0
NPDES Temperature Monitoring at Harris Lake
DATE=MAY 19, 1987 TRANSECT=4
1 2 3 4 5 6 7 8 9 10 11 12 13
Run time in minutes
�+ Surface o -o -o Middle a -A -e Roliom

NPDES Temperature Monitoring at Harris Lake
DATE=JUN 3, 1987 TRANSECT=1
.52 196m 169m
30
CJ 28 aEF Et 0
x,26'
L
-324
0
22
20
18
16
14 -,- -� -•--,- --
0 1 2 3 4 5 6
3'2
30
U28
26
L
24
0
22
20
18
16
14
Run time in minutes
, -+ Surface (n a Middle A -e -A Bottom
NPDES Temperature Monitoring at Harris I.cTke
DATE=JUN 3, 1987 TRANSECT=2
32 461 m
30
U 28 K _a.. 0 "8-'6-'9
w 26 j
L
24
0
Lw- 22
CL
0 20 _ e
�- 18
16
14
7 8 9 10 0 1 2 3 4 5
NPDES Temperature Monitoring at Harris Lake
DATE=JUN 3, 1987 TRANSECT=3
201 m
a E) n
342m
Er--9--o--v--9
0 1 2 3 4 5 6 7 8 9 10
Run time in minutes
•-« Surface a- 1-o diddle. A_A-A Bottom
269m
'U., a .
EI _-EY -n--H IE. II
\\ A„ -. A b..
6 7 8 9 10
[Run time in minutes
* « * Surface o- -o Middle A -A -A Bottom
NPDES Ierrlperature Monitoring at Ilarris Lake
DATE=JUN 3, 1987 TRANSECT=4
32 197m 173m
30
v 28 a-
�--�
26
L
24
0
H
22
o. A
E 20
18 e
16
14 T _,—_ _ T__.�- .-7--- __ T _ T f
0 1 2 3 4 5 6 7 8 9
Run time in minutes
«---+ Surioc'e n -n o Middle A e -A RnJI(jin
I

NPDES temperature Monitoring at I larris Lake
DATE=JUL 30, 1987 TRANSECT = I
10 128m 457m
28
c.i 26
a� 2.4 �� q
2?
20
n
E 18
a�
r-16 4;
14 \kr
12
0 2
a'4
µado b
er n
n
�� �sn,o-tr A-p--trtre
4
4-+-* Surface
6 8 10 12 14 16 18
Run tirne in minutes
u -a a Middle s—s Bottom
NPDES temperature Monitoring at Harris lake
DATE=JUL 30, 1987 TRANSECT=3
365m 366m
28 n er cr ° a o er A-e-e-� �° u A
Er
<� 26 u•u
a) 24
3 22
0
a`-) 20
Q
E 18
'- 16
14
12 r... •-' T ' r -T—T' r—r-T-�—r— —r
0 2 4 6 8 10 12
Run time in minute;
« • « Surface 'In -0 Middle
14 16 18
d n-6 Bottom
NPDES temperature Monitoring at I larris I ake
DArE=JUL 30, 1987 TRANSECT=2
366m 548m
28
26
24
L a •
0 22
tr.o q ° o a n a a Yl -ll cl r, 11 41 F1
v 20 2.
CL
E 18
16 �trho-
4 �
1412
1'e.e °� aeeb'tr��eab ne
0 2 4 6 8 10 12 14 16 18
Run time in minutes
* + * Surface a a a Middle s—A Bottom
NPDES lemperature Monitoring at Ilarris lake
'DATE=JUL 30, 1987 TRANSECT=4
30 164m 1183m4
. ►J` ✓'ter .r �* 4 +-,
28
U 26 a'n
v 24 n
L b (7
22
0
`m 20
CL
E 18
16 4
14
12
0 2
As
d
4 6 8 10 12 14 16 18
Run time in minutes
«-+-+ Surface a- 41 a Middle a S-A Bottom

NPDES Temperature Monitoring at Harris Lake
DATE=AUG 20, 1987 TRANSEGr=1
89m , 387m
28
U 26 -o-fl- �-o-q-e-{►-e-fl-e-a-a-a-B-a
ILI
24
a-
41
20
ID 18
16 a -e
14
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Run time in minutes
+-*--+ Surface o -o -e Middle a- 6 Bottom
NPDES Temperature Monitoring at Harris Lake
DATE=AUG 20, 1987 TRANSECT=3
30 442m 353m
28-
c3 26
,n
Q! 24
0 22
m
20
~ 18
16
14-
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Run time in minutes
+�+ « Surface ... Middle a o-® Bottom
NPDES Temperature Monitoring at Harris Lake
DATE=AUG 20, 1987 TRANSECT=2
30 383m 442m
28
U 26
Le 24
3
0 22
u
0-20
16
14
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Run time in minutes
Surface a--0 Middle Bottom
NPDES Temperature Monitoring at Harris Lake
DATE=AUG 20, 1987 TRANSECT=4
30 ciuni IOUM
28
v 26
024
a
-0022
u
E 20
18
16
14
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Run time in minutes
�++ Surface o -o -a Middle a—e Bottom

30
28
26 ,
24
L
7 T)
O
L 7
a
E 18
N
F- 16
14
12
0
NPDES Iemperature Monitoring at Harris Lake
DATE=SEP 30, 1987 TRANSECT=1
411 m
eaoaoB00000°oeoao°e
Atr6tr�
tr
5 10 15 20 25
Run time in i.,mutes
+-++ Surface a - a -a diddle a--& Botlom
NPDES temperature Monitoring at Harris Lake
DATE=SEP 30, 1987 TRANSECT=3
30-
28 414m 276m
� 26
24
L
7 22
20
X18 n
A
�- 16 sen ,ba s A Ade d
14 ��n s a A6 �Q nn ��P 6Qi nPn
12 - •--•- n
0 5 10 15 20 25
Run time in minutes
+-+ « Surface — a Middle a -n --h Bottom
30
28
26
w 24
L-
4:3
4:3 22
O
20
E 18
Ol
~ 16
14
12
0
NPDES Temperature Monitoring at Harris Lake
DATE=SEP 30, 1987 TRANSECT=2
5 10 15 20 25
Run time in minutes
*� + Surface a -o -a Middle A -A --A Bottom
NPDES Temperature Monitoring at Harris Lake
DATE=SEP 30, 1987 TRANSECT=4
30
28 183m 183m
26
—(24 R°oc+�a°B °a°ossa
L
22 i
Ol 20 A
E 18
16
14
12
0 5 10 15 20
Run time in minutes
« «+ Swioce a -a -a Middle e -a -e Holiom
25

NI'DES Temperature Monitoring at Harris Lake
DATE=NOV 19, 1987 TRANSECT=1
22
20
18
m 16 49M 317m
14
12
o.
E 10
ar
6
4
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Run time in minutes
+ * Surface a a a Middle a -.e Bottom
NPDES Femperature Monitoring at Harris Lake
DATE=NOV 19, 1987 TRANSECT=3
22
20
U 18 274m 439m
16
14 a e -ems e e Qa a-tr A -¢tea A a 6 a tr a �-a-d
(LD 12
0
10
a�
i— 8
6
ll 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Run time in minutes
• • • Surface o o a Middle s a-6 Bottom
NPDES Temperature Monitoring at Harris I ake
DATE=NOV 19, 1987 TRANSECT=2
22
20
" 18 302m 274m
m 16
14 - -B-i3-B-fl-B-Q-9-Q-9-Q- •ct-e-k}-B-�fl-Q-if-D-a-B-li B -a
-4'
12
a.
E 10
u
�— 8
6
¢ Tr �-r --r T� Tri T Tom- r-� r- -r_ • T _r.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Run time in minutes
+-w+ Surface act Middle a e a Bottom
NPDES iernperature Monitoring at Harris Lake
DATE=NOV 19, 1987 TRANSECT=4
22
20
u 18 103m 103m
16- ►-.+
X14 eQ� v -0 -Ba
a`� 12
a
E 10
w
r- 8
6
4 --1—V T •-T''Z T -T-1.. -r "r' �.
0 1 2 3 4 5 6 7 8 9 10 11 12 1.5 14
Ruii time in minutes
+ S(nMiddle n e e Ilallani

2.2
20
i� 18
16
L
14
0
12
CL
10
'- 8
6
4
0
NPDES Temperature Monitoring at Harris Lake
DATE=DEC 14, 1987 TRANSECT=1
2 4 6 8 10 12 14 16 18 20
Run time in minutes
Surface u -o -a Middle 6 e , Bottom
NPDES Temperature Monitoring at Harris Lake
DATE=DEC 14, 1987 TRANSECT=3
22
20
18
16 274m
L
1 `f
0
LaD 12
� 10 * fa e e e -f f f•a�e
N
I- 8
6
0 2 4 6
+ • * Surface
439m
ffrf�o�i-feae�a e e e e
r -r TAT -�- -r • F
8 10 12 14 16 18 20
Run time in minutes
a -o-0 Middle 6-6.6 Bottoan
22
20
U 18
m 16
NPDES fernperature Monitoring at Harris l_(jke
DATE=DEC 14, 1981 TRANSECT=2
6
4
0 2 4 6
— Surface
274m
$ate$ -Q 913 &&f�Yf�68•feeeeeee
Tom_—fir. _T_T-�_T-_r.-• -_-I r
8 10 12 14 16 18 20
Run time in minutes
o- - Middle 6-6-6 Botlorn
NPDES temperature Monitoring at Harris lake
DATE=DEC 14, 1987 TRANSECT=4
22
20
U 18
CU 16 103m
14
0
m 12 . «.
a
E.10 f�eaf
N
'- 8
6
4 -
0 2
103m
ifB�B-e6e!ae
«-«-+ Suiface o- o -a Middle 6-6.6 Rolirnn
1' • '1
18 2.0
4 6
8 10 12
14
16
Run time in minutes
«-«-+ Suiface o- o -a Middle 6-6.6 Rolirnn
1' • '1
18 2.0

18
16
NPDES Temperature Monitoring at I larris Lake
DATE =JAN 28, 1988 TRANSECT=1
89m
x,t:Q"
18
16
0
8
0
F r,
2
0
4 6
* * * Surface
--r
8 10 12 14 16 18 20
Run time in minutes
o a a Middle s -A -h Bottom
NPDf-S Iemperature Monitoring at Harris Lake
DATE=JAN 28, 1988 TRANSECT=3
274m
a's*aAbbe*AA*b
« • `.Sw face
[11m
. 0. .+. ++
vera r.r■
8 10 12 14 16 18 20
Run time in minutes
F). o a Middle A A e Rullom
I.
j3 14
12
10
0
W 8
CL
E 6
v
4
2
0
NPDES Terperature Monitoring at Iforris I rlke
DATE =JAN 28, 1988 TRANSECT =2
320m 259m
r-♦�♦y. +++-rH+-*-- +.+aa.-a''�e•tree� e..•
eeeee�-���AAAa�ea�eeeeeg9e �+�e-�-iqd
0 2 4 6 8 10 12 14 16 18 ?0
Run lime in minutes
* -*-+ SuI face F, o a Middle s--N-s Bottorn
NPDES Temperature Monitoring at I larris I ake
DATE=JAN 28, 1988 TRANSECT=4
18
16
u 14
v 12
0 10 220m 146m
`w 8
a
� e-eo®er6•i f?-eeose�
1- 4
2
l T—f— r- • r- i- r . r
0 2 4 6 8 10 12 14 16 18 ;'I)
Run time in minutes
«+�+ Surface a afl Middle e'A''s Bottom

NPDFS I emperature Monitoring al Harris Lake
DAFE=FEB 17, 1988 rRANSECT-1
I Y> 18
I6
16
i� 14
%3 14
�D I! I,`
0 10 68 n 320m ' 10
L g a
N �
n
r' eeeeelieeeeee�e a
N E 6
�- 4
2 -
r .- r - T- •- T- r-� -r- T •- r r--•-T-•—r 0 -
0 2 4 6 8 10 12 14 16 18 20 0
Run lime in minutes
* * * Surface a-afl Middle s -a-6 Bollom
NPI)I_S I-emperature Monitoring at Ilarris Lake
DAFE=FEB 17, 1988 TRANSECT=.3
18 18
16 16
14 u 14
1 U 297m ` 12
0 297m ? 10
L
8
Q
E 6 trAA6AAAAAAbr�bAAAAR#'abee 'e'oeli�bs a
ro E 6
I- 4
2
1
U 4 6 8 10 12 14 16 18 20
Run time in minutes
••
11 ]1 o o u Middle a n -a Bottom
NPDES lemperature Monitoring at Harris I oke
DACE=-FF.:B 17, 1988 rWaJSECr=2
388m 149m
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Run time in minutes
— Surface o -o -a Middle S--,& Bottom
NPDES lemperature Monitoring at Harris Lake
DAFE=FEB 17, 1988 TRANSECT=•I
0 2 4
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6 8 10 12 14 16 113 ?0
Run time in minutes
-4-+ Surioce F}1741 Middle e -n h 13olloni

NPDIS 1 emperature Monitoring at I larris Lake
DATE=MAR 31, 1988 TRANSECT=1
NPDES Temperature Monitoring at Ilarris L<1ke
DATE=MAR 31, 1988 TRANSECT=2
24
24
2
22
20
53m
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20
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173m
18
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Run time in minutes
Run time in minutes
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NPDES Iernperature Monitoring at Ilorris Lake
DATE=MAR 31, 1988 TRANSECT=.5
274m
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Run time in minutes
. a« Snfface 11.0 u Middle a -A 6 13ollom
NPDES Iernperature Monitoring at I larris I uke
DATE=MAR 31, 1988 TRANSECT=4
24
22
20 96m 142m
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24
22
8
6
NPDES Temperature Monitoring at Harris Lake
DATE=APR 25, 1988 TRANSECT=1
91'1 343m
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0 2 4 6 8 10 12
Run time in minute
+-+ + Surface a a a Middle
14 16 18 20
a -a -a Bottom
NPDES Temperature Monitoring at I larris Lake
DATE=APR 25, 1988 TRANSECT=3
24
2_'2
20 411 m 220m
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Run time in minutes
« , « Surface n -o a Middle e --a-6 Bollom
24
22
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16
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a
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8
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24
22
20
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8
6
NPDES Temperature Monitoring at Harris I.<1ke
DATE=APR 25, 1988 TRANSECT=2
366m 161 m
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Run time in minutes
+-*--+ Surface a-oa Middle A -d -e Bottom
NPDES Temperature Monitoring at Ilarris Lake
DATE=APR 25, 1988 TRANSECT= 4
65m 201 m
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16 18 20
Run time in minutes
«-+--+ Surfoce aa -o Middle A -e -a Rollo)

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