NC0007064_Thermal Plume Report_20211110

Brunswick Steam Electric Plant
Semi -Annual Thermal Plume Monitoring Report
Date: 11/10/2021
Wind Direction WSW Unit 1 Rx % Power 100.0
Wind Speed 6 mph Unit 2 Rx % Power 100.0
Air Temperature 67 Tide Stage High Rising
Station
Time
Surface Temp
Bottom Temp.
1
N/A
N/A
N/A
2
1217
63.0
62.8
3
1215
63.0
N/A
4
1214
63.1
N/A
5
1213
63.3
N/A
6
1211
63.9
N/A
7
1210
64.6
N/A
8
1208
63.5
N/A
9
1207
63.7
N/A
10
1205
63.5
N/A
11
1204
63.0
N/A
12
1201
63.1
62.1
13
N/A
N/A
N/A
14
1150
63.0
N/A
15
1148
63.1
N/A
16
1146
63.3
N/A
17
1144
63.5
N/A
18
1142
63.9
N/A
19
1140
63.1
N/A
20
1139
63.0
N/A
21
1137
63.3
N/A
22
1135
63.5
N/A
23
1133
63.1
N/A
24
1130
63.3
N/A
25
1125
63.3
N/A
26
1123
63.0
N/A
27
1121
63.0
N/A
28
1120
62.8
N/A
29
1118
63.7
N/A
30
1117
63.9
N/A
31
1116
63.7
N/A
32
1114
63.3
N/A
33
1113
64.0
N/A
34
1112
63.1
N/A
35
1110
62.9
N/A

Brunswick Steam Electric Plant
Semi -Annual Thermal Plume Monitoring Report
Date: 11/10/2021
Station
Time
Surface Temp
Bottom Temp.
36
N/A
N/A
N/A
37
1103
62.2
61.5
38
1101
63.3
N/A
39
1058
63.7
N/A
40
1056
64.0
N/A
41
1055
63.7
N/A
42
1036
63.9
N/A
43
1032
64.4
N/A
44
1029
64.6
N/A
45
1025
64.6
N/A
46
1022
63.7
N/A
47
1019
64.2
63.1
48
N/A
N/A
N/A
49
1038
N/A
61.7
50
1251
N/A
71.5
51
1050
N/A
61.7
52
1042
N/A
65.7
53
1236
N/A
62.2
54
1052
N/A
61.5
55
1242
N/A
61.7
56
1239
N/A
66.7
57
1034
63.9
N/A
58
1053
63.7
N/A
59
1244
63.7
N/A
60
1238
66.7
N/A
61
1047
70.9
80.6
Temperature Meter Serial Number: 4013423.0
Temperature Probe Serial Number: CP355705
Calibration Due Date: 9/27/2022
Note: All temperatures in degrees Fahrenheit

DATE: 11/10/2021
0
0
0
SURFACE ISOTHERMS
CASWELL BEACH
DISCHARGE PIPES --a.
PUMPING STATION
Plume Temperature 70.9
62.2
63.3
63.7
64.0
63.7
63.9
64.4
64.6
64.6
63.7
64.2
62.9
63.1
64.0
63.3
63.7
63.9
63.7
62.8
63.0
63.0
63.3
63.0
63.1
63.3
63.5
63.9
63.1
63.0
63.3
63.5
63.1
63.3
63.1
63.0
63.5
63.7
63.5
64.6
63.9
63.3
63.1
63.0
63.0
< >
1500'
TIDE STAGE: High Rising
AMBIENT TEMP : 63.1
Grid temps. in degrees Fahrenheit

DATE: 11/10/2021
SURFACE TEMPERATURE
DISCHARGE PIPES
(Not to scale)
63.7
PUMPING STATION
CASWELL BEACH
63.9
70.9
1143 ft
Discharge
TIDE STAGE: High Rising
AMBIENT TEMP : 63.1
63.7
66.7
Note: The square represents - 120 acres.
Grid temps. in degrees Fahrenheit

DATE: 11/10/2021
BOTTOM TEMPERATURE
DISCHARGE PIPES
(Not to scale)
61.5
TIDE STAGE: High Rising
AMBIENT TEMP : 62.4
PUMPING STATION
62.2
61.7
CASWELL BEACH
66.7
Note: The square represents —120 acres.
Grid temps. in degrees Fahrenheit