Date: 20/7/2001  
Weather: Sunny
Sea Condition: Calm
Tide: Mid-Flood
 
Water Quality Monitoring Result
Location Time Depth (m) Temp. (oC) Salinity (ppt) pH D.O. Sat. (%) D.O. (mg/L) Turbidity (NTU) S.S. (mg/L) NH3-N (mg/L) TIN (mg/L)
Value DA Value DA Value DA Value DA Value DA
SR1 18:28 Surface 1 26.6 22.1 8.24 78.4 5.54 4.73 3.7 19.8 10.9 16.9 0.001 0.001* 0.45 0.34
26.7 23.1 8.27 88.1 6.23 3.4
Middle 12.5 24.4 31.0 8.07 51.2 3.63 10.2 11.9 <0.001 0.25
24.0 30.7 8.07 50.8 3.50 10.7
Bottom 24 23.4 31.3 8.07 54.0 3.83 3.77 45.4 27.9 0.001 0.32
23.6 31.2 8.06 52.3 3.70 45.4
Other Observations: passing of container vessel
SR2 18:16 Surface 1 26.1 23.4 8.10 79.2 5.61 5.03 14.6 17.7 14.5 21.5 0.002 0.001 0.50 0.39
26.2 23.8 8.11 77.3 5.48 13.4
Middle 5.5 25.1 27.9 8.06 62.7 4.41 10.0 16.3 0.001 0.47
25.2 25.8 8.06 66.1 4.61 11.3
Bottom 9.5 23.7 31.4 8.05 60.9 4.32 4.10 27.4 33.7 0.001 0.19
23.7 30.9 8.04 54.7 3.87 29.6
Other Observations: Nil
SR3 17:46 Surface 1 27.6 21.4 8.35 104.9 7.34 6.25 7.0 10.2 12.3 13.2 N.A. N.A. N.A. N.A.
27.7 21.2 8.39 110.7 7.73 6.5
Middle 4 26.9 26.2 8.14 73.0 5.02 7.1 9.3 N.A. N.A.
27.0 26.7 8.15 72.7 4.91 7.3
Bottom 6.5 26.5 29.7 8.09 66.4 4.54 4.41 16.4 18.1 N.A. N.A.
26.5 27.2 8.10 62.6 4.27 16.6
Other Observations: 3 dredgers at app 300m
SR4 17:17 Surface 1 27.8 21.3 8.35 114.7 8.07 7.09 4.2 4.9 4.7 8.0 <0.001 <0.001 0.41 0.38
27.9 21.7 8.39 115.2 8.03 4.4
Middle 3.5 27.2 24.3 8.21 88.9 6.05 5.6 6.5 <0.001 0.40
27.3 24.3 8.22 89.7 6.21 5.7
Bottom 6 27.1 25.5 8.15 89.5 6.14 6.02 4.6 12.9 <0.001 0.32
27.1 25.6 8.17 86.0 5.89 4.6
Other Observations: Nil
SR5 17:06 Surface 1 27.6 20.4 8.39 122.7 8.62 6.78 5.4 12.5 10.7 11.2 <0.001 <0.001 0.44 0.33
27.6 20.6 8.40 123.1 8.66 4.9
Middle 3.5 26.7 27.6 8.13 69.5 4.77 7.9 15.9 <0.001 0.34
26.9 28.2 8.14 73.9 5.08 7.1
Bottom 6 26.1 30.1 8.10 67.5 4.61 4.56 24.2 6.9 <0.001 0.20
26.0 30.0 8.10 65.8 4.50 25.5
Other Observations: Nil
SR6 16:55 Surface 1 27.2 20.2 8.33 121.7 8.58 6.39 8.2 11.7 10.1 11.8 <0.001 <0.001 0.46 0.30
27.3 20.1 8.35 119.8 8.49 8.0
Middle 5 26.0 29.5 8.07 60.9 4.18 11.0 11.9 <0.001 0.27
25.9 29.5 8.06 62.5 4.30 10.1
Bottom 8.5 24.9 30.8 8.02 66.0 4.39 4.49 15.8 13.5 <0.001 0.18
24.8 31.0 8.04 65.3 4.58 17.1
Other Observations: Nil
SR7 16:44 Surface 1 27.7 16.7 8.51 128.8 9.27 6.83 6.3 10.8 6.9 9.0 0.001 0.001* 0.55 0.35
27.7 16.2 8.54 136.9 9.85 5.2
Middle 10.5 25.6 30.4 8.05 58.9 4.04 10.8 11.5 <0.001 0.31
25.4 30.6 8.06 60.0 4.14 10.3
Bottom 19.5 24.0 31.3 8.00 66.8 4.70 4.48 16.3 8.7 <0.001 0.20
24.0 31.2 8.00 60.5 4.26 15.6
Other Observations: Nil
C1 18:42 Surface 1 26.3 23.0 8.23 78.0 5.53 4.93 26.1 47.4 11.3 13.7 0.001 0.001* 0.42 0.28
26.4 22.9 8.25 87.1 6.35 26.1
Middle 12.5 23.3 31.2 8.08 52.7 3.75 49.4 23.9 <0.001 0.26
23.3 31.1 8.07 57.4 4.09 49.4
Bottom 24 23.1 31.4 8.08 56.0 4.00 3.99 66.7 5.9 <0.001 0.15
23.1 31.4 8.08 55.7 3.98 66.7
Other Observations: Nil
C2 18:59 Surface 1 26.5 23.1 8.25 89.9 6.44 5.37 4.5 21.2 10.3 11.8 0.001 0.001* 0.46 0.33
26.6 22.5 8.28 90.1 6.38 4.5
Middle 6.5 25.4 27.4 8.12 60.2 4.22 8.3 16.3 0.001 0.34
25.4 26.9 8.12 60.8 4.45 8.3
Bottom 11.5 23.7 30.8 8.10 55.8 3.96 3.77 50.9 8.9 <0.001 0.19
23.7 31.0 8.09 52.8 3.57 50.9
Other Observations: Nil
C3 15:40 Surface 1 26.7 19.5 7.92 87.8 6.30 6.21 18.3 40.0 24.7 32.1 0.002 0.002 0.72 0.62
26.7 19.4 7.92 88.7 6.37 18.3
Middle 4 25.8 22.8 7.91 85.4 6.11 39.6 51.3 0.001 0.58
25.8 22.8 7.91 84.8 6.07 39.6
Bottom 7 25.7 23.6 7.92 86.5 6.19 6.22 62.1 20.3 0.002 0.56
25.7 23.3 7.90 87.2 6.24 62.1
Other Observations: Nil
C4 15:59 Surface 1 26.5 20.2 8.00 87.6 6.27 5.89 9.8 20.8 24.5 18.6 0.002 0.001 0.70 0.56
26.6 20.3 7.99 91.4 6.54 9.8
Middle 6 26.0 25.0 7.99 76.9 5.32 27.1 23.3 0.001 0.51
26.0 24.3 7.99 78.9 5.42 27.1
Bottom 10.5 26.0 26.2 7.91 75.8 5.21 5.21 25.6 7.9 0.001 0.47
26.0 26.2 7.98 75.4 5.21 25.6
Other Observations: Nil
C5 16:28 Surface 1 27.8 16.4 8.52 139.8 10.02 7.69 3.0 5.7 5.9 9.8 <0.001 <0.001 0.55 0.47
27.8 16.5 8.52 147.9 10.67 3.0
Middle 11 26.6 29.7 8.07 75.9 5.16 5.6 14.1 <0.001 0.56
26.6 30.1 8.07 72.4 4.90 5.6
Bottom 20.5 24.9 31.1 8.01 76.8 5.31 5.36 8.4 9.3 <0.001 0.29
25.2 30.9 8.02 78.7 5.40 8.4
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 20/7/2001  
Weather: Rainy
Sea Condition: Calm
Tide: Mid-Ebb
 
Water Quality Monitoring Result
Location Time Depth (m) Temp. (oC) Salinity (ppt) pH D.O. Sat. (%) D.O. (mg/L) Turbidity (NTU) S.S. (mg/L) NH3-N (mg/L) TIN (mg/L)
Value DA Value DA Value DA Value DA Value DA
SR1 12:21 Surface 1 26.4 21.3 8.08 76.8 5.48 4.70 6.1 16.7 7.1 10.2 0.002 0.002* 0.59 0.46
26.5 21.7 8.09 79.1 5.65 6.0
Middle 11 25.6 28.8 8.02 57.6 4.00 20.7 18.3 0.002 0.56
25.6 29.7 8.01 52.9 3.66 20.0
Bottom 21 23.9 31.1 8.00 54.4 3.84 3.91 23.6 5.3 <0.001 0.22
23.8 30.8 7.99 56.5 3.98 23.5
Other Observations: passing of container vessel
SR2 12:45 Surface 1 26.5 21.4 8.08 90.1 6.42 6.41 3.5 4.3 6.8 9.1 0.001 0.001 0.56 0.57
26.5 21.4 8.08 91.5 6.52 3.3
Middle 5.5 26.4 22.5 8.06 92.4 6.42 3.6 6.4 0.001 0.58
26.4 21.9 8.06 89.3 6.28 4.0
Bottom 9.5 26.4 22.9 8.02 97.8 6.95 6.68 6.1 14.2 0.001 0.57
26.3 22.5 8.05 90.2 6.40 5.4
Other Observations: Nil
SR3 12:56 Surface 1 27.4 17.6 8.41 122.4 8.78 7.95 6.0 8.0 19.4 16.5 N.A. N.A. N.A. N.A.
27.4 17.2 8.42 123.6 8.88 6.2
Middle 4 27.4 20.2 8.26 98.0 6.91 11.2 19.0 N.A. N.A.
27.4 21.0 8.26 102.9 7.23 10.3
Bottom 6.5 27.3 24.8 8.12 92.3 6.27 6.30 7.1 11.2 N.A. N.A.
27.1 25.4 8.15 91.8 6.32 7.2
Other Observations: 3 dredgers at app 300m
SR4 13:08 Surface 1 27.4 18.3 8.33 122.0 8.49 8.05 8.9 8.1 37.2 17.2 <0.001 0.002* 0.44 0.45
27.4 18.2 8.33 119.8 8.56 9.8
Middle 3.5 27.4 20.0 8.27 104.9 7.33 6.5 8.2 0.003 0.49
27.4 20.0 8.27 110.8 7.83 6.5
Bottom 6 27.2 26.4 8.04 87.6 6.02 6.02 9.0 6.2 <0.001 0.42
27.2 25.1 8.13 87.2 6.02 7.6
Other Observations: Nil
SR5 13:31 Surface 1 27.4 19.3 8.39 123.4 8.79 7.85 3.8 8.9 6.5 7.0 <0.001 0.001* 0.48 0.45
27.4 19.7 8.40 126.5 8.95 4.0
Middle 3.5 27.4 22.3 8.21 95.1 6.63 3.9 9.2 0.001 0.49
27.4 22.4 8.21 100.5 7.02 4.6
Bottom 6 27.2 25.2 8.14 91.8 6.32 6.15 18.4 5.4 <0.001 0.37
27.1 25.3 8.15 86.5 5.97 18.4
Other Observations: Nil
SR6 14:02 Surface 1 27.2 18.8 8.32 110.4 7.90 7.13 3.0 9.9 6.2 7.0 0.001 0.001 0.51 0.48
27.1 18.8 8.30 111.3 7.97 3.2
Middle 5 26.9 23.0 8.14 90.7 6.35 5.5 5.2 0.001 0.49
27.0 23.3 8.14 90.1 6.28 5.4
Bottom 8.5 26.8 28.6 8.00 84.4 5.77 5.70 21.2 9.6 0.001 0.44
26.7 28.6 8.07 82.3 5.62 20.9
Other Observations: Nil
SR7 14:13 Surface 1 27.2 18.0 8.35 120.3 8.63 6.91 4.1 4.6 5.0 4.6 0.002 0.001* 0.54 0.35
27.2 18.1 8.36 120.4 8.90 3.8
Middle 12.5 26.7 29.4 8.11 73.5 4.90 4.0 5.4 <0.001 0.32
26.8 29.4 8.15 76.9 5.21 4.1
Bottom 24 26.2 30.6 8.08 71.7 8.13 8.52 6.0 3.4 <0.001 0.18
26.3 31.5 8.09 76.5 8.90 5.8
Other Observations: Nil
C1 10:25 Surface 1 26.6 16.7 8.22 108.9 7.93 6.95 3.8 8.3 3.8 7.0 0.002 0.001* 0.62 0.37
26.8 17.5 8.26 122.4 8.91 3.4
Middle 13.5 25.1 29.3 8.05 77.1 5.39 9.4 6.6 <0.001 0.35
25.3 28.9 8.07 79.5 5.55 9.4
Bottom 26 23.6 31.1 8.00 69.9 4.96 4.90 11.5 10.6 <0.001 0.15
23.6 31.1 8.00 68.1 4.83 12.0
Other Observations: Nil
C2 10:51 Surface 1 26.6 18.5 8.20 110.8 8.00 7.36 3.1 9.6 4.4 4.5 0.002 0.001* 0.65 0.54
26.6 18.6 8.19 116.6 8.36 3.5
Middle 7 26.2 23.9 8.13 91.7 6.48 4.5 3.8 0.001 0.55
26.2 24.0 8.14 93.6 6.61 4.5
Bottom 13 25.3 29.9 8.02 72.3 5.01 4.86 22.7 5.4 <0.001 0.41
25.7 28.5 8.05 68.3 4.71 19.2
Other Observations: Nil
C3 11:12 Surface 1 26.9 15.7 8.29 123.4 8.94 8.00 3.0 6.7 4.4 7.2 0.001 0.001 0.68 0.63
26.9 15.6 8.29 131.3 9.63 2.6
Middle 5 26.3 22.9 8.08 90.4 6.42 5.1 9.8 0.001 0.66
26.3 26.3 8.08 98.4 7.00 5.1
Bottom 8.5 26.6 25.6 8.05 99.9 6.95 6.78 12.1 7.4 0.001 0.54
26.6 25.6 8.08 95.1 6.61 12.2
Other Observations: Nil
C4 11:52 Surface 1 27.1 16.3 8.34 128.7 9.35 7.86 2.8 4.7 3.8 7.0 0.002 0.001 0.79 0.67
27.0 16.8 8.29 127.5 9.27 2.9
Middle 6.5 27.0 23.9 8.14 89.9 6.27 3.7 9.6 0.001 0.60
27.0 24.4 8.15 94.0 6.54 3.6
Bottom 12 25.9 30.5 8.00 75.7 5.19 5.00 7.1 7.6 0.001 0.62
25.8 30.8 8.02 70.1 4.80 7.9
Other Observations: Nil
C5 11:59 Surface 1 27.6 13.6 8.42 127.5 9.31 7.93 2.4 3.3 3.4 5.0 0.002 0.001* 0.79 0.55
27.6 14.3 8.42 133.2 9.67 2.5
Middle 11.5 27.5 28.6 8.21 90.6 6.10 2.4 5.0 0.001 0.67
27.5 28.4 8.23 98.6 6.64 2.3
Bottom 21.5 24.0 31.4 8.04 82.4 6.10 5.88 5.2 6.6 <0.001 0.19
25.7 30.8 8.08 79.7 5.65 5.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.