Date: 28/6/2001  
Weather: Sunny
Sea Condition: Moderate
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 13:10 Surface 1 27.0 22.8 8.06 79.6 5.65 4.84 7.8 11.6 7.5 15.7 0.004 0.002 0.49 0.37
27.0 22.8 8.06 78.7 5.55 7.7
Middle 13.5 24.3 32.6 7.94 58.6 4.09 9.7 15.9 0.002 0.40
24.3 32.8 7.94 58.5 4.07 9.5
Bottom 25.5 23.7 33.9 7.93 40.0 2.89 2.89 17.6 23.7 0.001 0.22
23.7 33.9 7.93 40.0 2.89 17.5
Other Observations: Nil
SR2 12:53 Surface 1 27.5 22.0 8.04 82.2 5.80 5.58 15.4 14.3 8.7 10.2 0.005 0.004 0.55 0.50
27.5 22.0 8.04 80.6 5.68 15.5
Middle 6 26.8 22.4 8.02 76.9 5.45 11.7 6.5 0.004 0.53
26.8 22.4 8.02 76.5 5.38 11.7
Bottom 10.5 25.5 28.3 7.94 49.9 3.50 3.50 15.7 15.4 0.003 0.41
25.5 28.4 7.93 50.0 3.50 15.9
Other Observations: Nil
SR3 12:28 Surface 1 27.5 21.5 8.12 84.6 5.94 5.76 8.8 13.6 8.5 8.6 N.A. N.A. N.A. N.A.
27.5 21.5 8.13 84.2 5.91 8.7
Middle 4.5 27.2 22.0 8.10 79.8 5.61 7.4 8.5 N.A. N.A.
27.2 22.0 8.10 79.3 5.57 7.6
Bottom 8 26.6 24.5 7.99 55.8 3.91 3.92 24.9 8.9 N.A. N.A.
26.6 24.5 7.99 55.8 3.92 23.9
Other Observations: 2 dredgers at app 100m
SR4 12:10 Surface 1 27.8 21.3 8.15 89.1 6.19 5.98 10.3 10.9 11.7 13.5 0.004 0.004 0.52 0.51
27.8 21.3 8.16 86.7 6.10 10.3
Middle 4 27.7 21.3 8.15 83.1 5.80 9.6 10.5 0.004 0.50
27.8 21.3 8.15 83.2 5.81 9.5
Bottom 6.5 26.7 24.5 8.05 66.2 4.73 4.67 12.5 18.3 0.004 0.52
26.7 24.5 8.06 65.9 4.61 13.2
Other Observations: Nil
SR5 11:58 Surface 1 27.2 21.9 8.14 82.7 5.82 5.62 5.3 8.5 9.9 8.0 0.003 0.003 0.49 0.49
27.2 21.9 8.14 82.2 5.80 5.3
Middle 4.5 26.9 22.4 8.10 77.4 5.45 5.5 6.1 0.004 0.50
26.9 22.5 8.11 76.7 5.42 5.5
Bottom 7.5 26.5 24.2 8.07 66.4 4.61 4.61 15.1 7.9 0.003 0.49
26.5 24.0 8.07 65.8 4.61 14.5
Other Observations: Nil
SR6 11:45 Surface 1 27.3 22.1 8.15 84.5 5.92 5.61 5.5 5.5 7.5 10.3 0.002 0.003 0.47 0.45
27.3 22.1 8.15 84.7 5.92 5.4
Middle 5.5 26.7 23.0 8.12 75.1 5.30 5.2 15.1 0.003 0.47
26.7 23.1 8.11 75.9 5.31 5.2
Bottom 10 26.7 28.7 8.09 59.3 4.13 4.09 5.9 8.3 0.003 0.42
26.6 28.7 8.09 58.4 4.05 5.9
Other Observations: Nil
SR7 11:35 Surface 1 27.6 21.7 8.15 85.5 5.99 5.65 4.8 7.3 6.9 10.9 0.002 0.002 0.48 0.38
27.6 21.7 8.15 85.4 5.97 4.7
Middle 11 28.2 30.3 8.32 80.1 5.32 3.3 15.1 0.004 0.48
28.3 30.4 8.31 80.0 5.30 3.3
Bottom 21 24.1 33.9 7.98 61.1 4.64 4.47 13.9 10.8 0.001 0.19
24.1 33.9 7.97 59.8 4.30 13.9
Other Observations: Nil
C1 09:40 Surface 1 26.6 22.5 8.01 84.9 6.01 5.22 13.9 10.0 10.4 11.9 0.004 0.003* 0.49 0.33
26.6 22.5 8.01 84.9 5.99 13.9
Middle 13 25.5 27.5 7.94 63.3 4.44 7.8 14.2 0.003 0.35
25.5 27.5 7.94 62.7 4.42 7.8
Bottom 25 24.1 33.2 7.90 45.1 3.15 3.13 8.2 11.0 <0.001 0.14
24.1 33.3 7.90 44.4 3.11 8.2
Other Observations: Nil
C2 10:00 Surface 1 26.8 21.9 8.01 81.2 5.76 5.45 10.3 13.3 12.4 9.7 0.005 0.005 0.56 0.52
26.8 21.9 8.01 81.2 5.74 10.3
Middle 6.5 26.3 23.1 8.01 71.2 5.12 9.8 8.8 0.005 0.53
26.3 23.1 8.01 71.6 5.16 9.8
Bottom 12 25.5 27.3 8.01 61.8 4.42 4.33 19.7 8.0 0.004 0.47
25.4 27.7 8.01 59.9 4.24 19.7
Other Observations: Nil
C3 10:25 Surface 1 26.7 21.8 8.01 79.5 5.65 5.57 17.4 19.0 14.5 12.2 0.005 0.005 0.57 0.57
26.7 21.8 8.01 79.3 5.62 17.4
Middle 4.5 26.6 21.8 8.00 77.3 5.52 15.1 9.2 0.005 0.57
26.6 21.8 8.00 76.8 5.47 15.1
Bottom 8 25.7 25.1 7.95 56.2 4.00 4.01 24.4 12.8 0.005 0.57
25.8 25.1 7.96 56.4 4.01 24.4
Other Observations: Nil
C4 10:45 Surface 1 27.3 21.4 8.09 87.5 6.16 6.08 6.6 6.8 6.0 7.1 0.004 0.004 0.52 0.50
27.3 21.4 8.09 87.3 6.15 6.6
Middle 6.5 26.8 22.2 8.08 85.6 6.06 5.5 5.8 0.004 0.50
26.8 22.2 8.09 84.6 5.94 5.5
Bottom 12 25.9 27.3 7.97 62.1 4.53 4.50 8.2 9.4 0.003 0.47
25.9 27.2 7.97 61.7 4.47 8.2
Other Observations: Nil
C5 11:15 Surface 1 27.6 21.7 8.13 86.9 6.07 5.76 4.4 5.9 9.2 14.6 0.002 0.002 0.48 0.37
27.6 21.7 8.13 86.8 6.06 4.4
Middle 11.5 28.1 30.6 8.28 82.7 5.47 3.7 9.2 0.004 0.48
28.0 30.5 8.28 82.8 5.45 3.7
Bottom 21.5 24.2 33.8 7.92 37.5 2.63 2.60 9.5 25.4 0.001 0.15
24.2 33.8 7.92 36.6 2.56 9.5
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 28/6/2001  
Weather: Sunny
Sea Condition: Moderate
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 18:55 Surface 1 27.3 22.1 8.08 77.0 5.39 4.66 7.4 14.1 10.0 12.5 0.005 0.003 0.50 0.40
27.3 22.1 8.08 76.7 5.37 7.4
Middle 13 25.0 31.6 7.97 56.8 3.94 17.8 14.8 0.003 0.42
25.0 31.7 7.97 55.2 3.92 17.6
Bottom 25 23.9 33.8 7.98 38.9 2.71 2.71 17.1 12.8 0.002 0.27
23.8 33.8 7.97 38.9 2.71 17.2
Other Observations: Nil
SR2 18:38 Surface 1 27.5 22.1 8.08 77.2 5.39 5.17 6.7 7.8 11.4 10.5 0.005 0.004 0.49 0.52
27.5 22.1 8.08 77.2 5.39 6.8
Middle 5.5 26.7 22.8 8.04 71.0 4.96 7.6 10.2 0.004 0.54
26.7 22.8 8.04 70.9 4.95 7.6
Bottom 10 26.0 30.6 8.00 48.6 3.47 3.46 8.9 9.8 0.004 0.52
25.9 30.6 8.00 47.9 3.44 8.9
Other Observations: Niil
SR3 18:05 Surface 1 28.0 21.7 8.15 83.3 5.77 5.77 13.5 14.7 14.2 12.6 N.A. N.A. N.A. N.A.
28.0 21.7 8.15 83.3 5.77 14.6
Middle 4.5 28.1 21.8 8.15 83.3 5.77 6.9 12.8 N.A. N.A.
28.1 21.8 8.15 83.3 5.77 6.9
Bottom 7.5 26.3 29.3 8.02 8.0 3.73 3.56 23.7 10.8 N.A. N.A.
26.3 29.3 8.01 8.0 3.38 22.6
Other Observations: 3 dredgers at app 100m
SR4 17:48 Surface 1 28.3 21.3 8.17 85.2 5.92 5.83 11.2 12.5 11.8 9.2 0.004 0.003 0.50 0.50
28.3 21.3 8.17 84.9 5.87 11.6
Middle 3.5 27.6 21.6 8.15 82.4 5.81 12.9 6.4 0.003 0.50
27.6 21.6 8.15 82.1 5.73 12.9
Bottom 6 26.9 22.9 8.05 62.6 4.51 4.34 13.1 9.4 0.002 0.50
26.9 22.9 8.06 59.3 4.16 13.2
Other Observations: Nil
SR5 17:05 Surface 1 28.1 21.8 8.16 83.4 5.77 5.73 5.1 8.3 8.0 8.8 0.003 0.003 0.50 0.50
28.1 21.8 8.16 83.4 5.78 5.0
Middle 4.5 27.2 21.8 8.15 81.4 5.67 4.9 7.8 0.003 0.50
27.7 21.8 8.15 81.7 5.68 4.9
Bottom 7.5 26.7 27.9 8.06 64.7 4.48 4.45 14.8 10.6 0.002 0.50
26.7 27.7 8.07 62.7 4.42 14.9
Other Observations: Nil
SR6 17:25 Surface 1 28.0 21.9 8.16 84.1 5.89 5.70 5.2 7.1 8.6 8.3 0.003 0.002 0.49 0.49
28.0 21.9 8.16 83.9 5.83 5.1
Middle 5.5 27.5 22.0 7.14 78.9 5.55 4.9 9.0 0.001 0.50
27.4 22.0 8.14 78.7 5.53 4.9
Bottom 10 26.9 26.3 8.13 61.9 4.25 4.21 11.1 7.4 0.003 0.49
27.0 26.4 8.14 60.8 4.16 11.4
Other Observations: Nil
SR7 17:16 Surface 1 28.3 21.4 8.18 86.2 5.96 5.20 5.3 5.9 8.6 9.1 0.001 0.001* 0.48 0.38
28.3 21.4 8.18 86.1 5.96 5.6
Middle 11 27.2 30.2 8.15 63.2 4.52 4.6 6.4 0.002 0.50
27.2 30.1 8.16 62.7 4.36 4.7
Bottom 21 24.1 34.0 7.83 51.6 3.61 3.61 7.4 12.4 <0.001 0.15
24.1 34.0 7.93 51.6 3.61 7.8
Other Observations: Nil
C1 15:30 Surface 1 27.3 22.0 8.04 74.5 5.23 4.52 10.4 11.3 8.6 14.2 0.006 0.003* 0.56 0.33
27.3 22.0 8.04 74.5 5.23 10.3
Middle 13 25.1 29.6 8.03 54.4 3.90 8.4 12.4 0.002 0.31
25.1 29.6 8.03 53.3 3.72 8.5
Bottom 25 23.9 33.9 8.00 41.0 2.86 2.85 14.9 21.6 <0.001 0.12
23.8 33.9 8.00 40.9 2.84 15.4
Other Observations: Nil
C2 15:50 Surface 1 27.1 22.1 8.05 74.7 5.30 4.95 7.3 10.5 8.7 11.6 0.005 0.004 0.55 0.50
27.1 22.1 8.05 74.2 5.21 7.3
Middle 6.5 26.4 23.5 8.04 65.8 4.66 7.8 11.9 0.005 0.54
26.4 23.7 8.04 65.7 4.63 7.8
Bottom 12 25.6 27.2 8.02 53.0 3.75 3.74 16.5 14.3 0.003 0.40
25.6 27.1 8.02 52.7 3.72 16.4
Other Observations: Nil
C3 16:05 Surface 1 28.3 21.7 7.88 84.5 5.84 5.68 5.0 5.8 5.2 8.5 0.002 0.002 0.51 0.51
28.3 21.7 7.88 84.4 5.83 5.0
Middle 4.5 27.3 21.9 7.80 78.8 5.53 5.3 8.9 0.002 0.51
27.3 21.9 7.80 78.6 5.51 5.4
Bottom 8 26.3 23.8 7.66 62.1 4.41 4.39 7.1 11.3 0.002 0.51
26.3 23.8 7.65 61.6 4.37 7.2
Other Observations: Nil
C4 16:25 Surface 1 28.3 21.4 8.02 83.5 5.79 5.57 4.7 7.0 9.5 10.5 0.002 0.002* 0.47 0.42
28.3 21.3 8.01 83.4 5.78 4.6
Middle 6.5 26.9 22.0 7.95 75.8 5.39 7.4 10.5 0.003 0.53
26.9 22.1 7.95 75.5 5.32 7.1
Bottom 12 24.5 33.4 7.71 38.6 2.85 2.83 8.9 11.5 <0.001 0.25
24.4 33.4 7.71 38.1 2.80 9.2
Other Observations: Nil
C5 17:00 Surface 1 28.1 21.6 8.17 86.4 6.00 5.79 3.1 4.3 8.5 10.8 <0.001 0.001* 0.45 0.36
28.1 21.6 8.17 86.3 5.99 3.1
Middle 11 27.2 31.2 8.13 73.6 5.60 1.5 9.3 0.002 0.49
27.2 31.1 8.14 72.8 5.58 1.4
Bottom 21 23.9 34.1 7.93 47.4 3.43 3.36 8.3 14.5 <0.001 0.13
23.9 34.1 7.93 45.7 3.28 8.6
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.