Date: 24/8/2001  
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 11:45 Surface 1 28.4 28.1 7.79 81.1 5.12 5.18 4.5 4.6 5.5 7.1 0.001 0.001* 0.34 0.23
28.4 28.2 7.79 80.2 5.10 4.4
Middle 13.5 28.5 29.4 7.81 83.1 5.24 4.4 6.9 0.001 0.21
28.5 29.4 7.82 83.9 5.26 4.3
Bottom 26 27.2 31.6 7.73 75.1 4.83 4.82 5.0 8.9 <0.001 0.15
27.2 31.6 7.74 73.8 4.80 4.9
Other Observations: Nil
SR2 11:35 Surface 1 29.1 26.7 7.76 84.1 5.27 5.26 5.9 8.7 8.5 14.3 0.001 0.001 0.36 0.31
29.1 26.8 7.75 84.9 5.30 5.8
Middle 5.5 29.0 28.0 7.82 83.7 5.22 8.7 14.5 0.001 0.36
29.0 28.0 7.82 85.0 5.26 8.7
Bottom 10 27.8 30.9 7.80 75.2 4.78 4.76 11.5 19.9 0.001 0.20
27.8 30.9 7.79 74.2 4.73 11.6
Other Observations: Nil
SR3 11:05 Surface 1 28.9 27.1 7.91 88.6 5.56 5.37 3.1 6.8 5.9 9.4 N.A. N.A. N.A. N.A.
28.9 27.1 7.92 88.8 5.57 3.2
Middle 4.5 28.7 28.3 7.89 81.9 5.17 7.0 8.3 N.A. N.A.
28.6 28.2 7.89 82.6 5.19 7.1
Bottom 7.5 28.3 28.9 7.87 80.7 5.10 5.12 10.2 14.1 N.A. N.A.
28.3 28.9 7.87 83.2 5.14 10.1
Other Observations: 4 dredgers at app 100m
SR4 10:40 Surface 1 29.5 26.9 8.05 96.9 6.03 5.84 4.6 4.7 8.3 9.5 0.002 0.002 0.26 0.27
29.5 26.9 8.06 98.1 6.07 4.7
Middle 4 29.1 27.5 8.06 90.6 5.66 4.2 8.7 0.001 0.29
29.1 27.5 8.07 90.1 5.59 4.4
Bottom 6.5 28.9 28.0 7.99 85.9 5.34 5.35 5.2 11.5 0.002 0.28
28.9 28.0 8.00 85.9 5.35 5.1
Other Observations: Nil
SR5 10:30 Surface 1 29.3 27.0 7.92 88.0 5.49 5.38 3.0 5.7 6.3 5.9 0.001 0.001 0.31 0.27
29.3 26.9 7.93 87.1 5.45 2.9
Middle 4.5 28.7 29.0 7.95 84.0 5.27 3.6 5.3 0.001 0.27
28.7 29.0 7.96 84.6 5.30 3.7
Bottom 7.5 28.6 30.1 7.99 82.1 5.15 5.13 10.4 6.1 0.002 0.24
28.6 30.1 8.00 81.2 5.10 10.6
Other Observations: Nil
SR6 10:20 Surface 1 29.0 26.3 7.82 83.5 5.25 5.15 4.0 7.8 7.9 11.4 0.001 0.001 0.39 0.32
29.0 26.3 7.83 84.1 5.29 4.1
Middle 6 28.7 27.1 7.90 79.9 5.04 3.6 8.5 0.001 0.38
28.7 27.1 7.90 79.2 5.00 3.7
Bottom 10.5 26.7 32.1 7.70 74.2 4.73 4.72 15.5 17.7 0.001 0.18
26.7 32.2 7.71 73.8 4.70 15.6
Other Observations: Nil
SR7 10:05 Surface 1 28.8 28.4 7.91 85.5 5.37 5.54 3.0 6.7 12.3 10.9 0.001 0.001 0.32 0.24
28.8 28.4 7.91 84.6 5.34 2.9
Middle 11 28.4 30.7 8.02 91.4 5.71 2.4 9.7 0.001 0.23
28.4 30.7 8.01 91.6 5.72 2.3
Bottom 21 25.3 33.6 7.62 80.8 5.09 5.08 14.8 10.7 0.001 0.18
25.3 33.6 7.63 79.9 5.07 14.5
Other Observations: Nil
C1 08:05 Surface 1 28.5 26.4 7.93 80.3 5.11 5.29 10.4 6.7 12.7 13.3 0.002 0.002 0.39 0.29
28.5 26.4 7.94 80.9 5.13 10.4
Middle 13 28.4 28.9 8.02 86.5 5.46 3.4 12.1 0.002 0.29
28.4 28.9 8.02 86.8 5.47 3.4
Bottom 24.5 25.9 33.0 7.84 71.5 4.64 4.63 6.3 15.1 0.001 0.21
25.9 33.0 7.83 71.2 4.61 6.3
Other Observations: Nil
C2 08:15 Surface 1 28.5 25.8 7.95 81.8 5.18 5.13 7.5 6.2 13.1 13.6 0.001 0.002 0.49 0.38
28.5 25.7 7.96 82.0 5.19 7.5
Middle 6.5 28.4 27.0 7.97 79.9 5.07 5.8 17.1 0.002 0.40
28.4 27.0 7.97 79.7 5.06 5.8
Bottom 12 28.4 28.1 8.01 82.5 5.23 5.25 5.3 10.5 0.003 0.26
28.4 28.1 8.01 83.1 5.26 5.3
Other Observations: Nil
C3 08:40 Surface 1 28.5 25.9 7.99 87.3 5.51 5.37 16.9 11.7 12.3 16.6 0.001 0.002 0.44 0.38
28.5 25.9 7.92 87.9 5.53 16.9
Middle 5 28.5 27.0 7.96 82.5 5.21 12.2 13.7 0.002 0.39
28.5 27.0 7.97 83.1 5.24 12.2
Bottom 8.5 28.5 28.6 7.99 79.3 5.02 5.02 6.1 23.9 0.003 0.31
28.4 28.6 7.99 78.5 5.01 6.1
Other Observations: Nil
C4 09:30 Surface 1 28.7 26.3 7.95 86.5 5.47 5.29 3.4 6.2 15.3 14.8 0.001 0.001 0.41 0.31
28.7 26.3 7.95 86.7 5.50 3.4
Middle 6.5 28.5 28.5 7.97 80.7 5.11 4.6 12.9 0.002 0.32
28.5 28.6 7.97 79.2 5.07 4.6
Bottom 12 26.5 32.6 7.84 70.9 4.88 4.87 10.5 16.3 0.001 0.21
26.5 32.6 7.83 70.7 4.86 10.5
Other Observations: Nil
C5 09:50 Surface 1 28.8 27.3 7.88 89.8 5.66 5.56 18.4 10.4 7.5 9.3 0.001 0.001* 0.22 0.17
28.8 27.3 7.90 89.5 5.64 18.4
Middle 11.5 28.7 28.2 7.99 87.6 5.49 10.2 9.3 0.002 0.10
28.7 28.2 7.99 86.8 5.43 10.2
Bottom 22 27.6 31.7 7.91 61.8 3.99 3.95 2.7 11.1 <0.001 0.18
27.6 31.7 7.91 61.6 3.91 2.7
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 24/8/2001  
Weather: Sunny
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 17:45 Surface 1 29.2 26.6 7.83 87.0 5.49 5.35 6.9 7.8 11.9 12.7 <0.001 0.001* 0.34 0.30
29.2 26.6 7.84 86.3 5.42 7.1
Middle 13 27.9 29.8 7.79 81.9 5.20 8.1 13.7 0.001 0.34
27.9 29.8 7.79 82.4 5.27 8.0
Bottom 25 26.5 32.1 7.68 75.0 4.85 4.83 8.4 12.5 <0.001 0.22
26.4 32.1 7.69 74.5 4.81 8.5
Other Observations: Nil
SR2 17:35 Surface 1 29.3 27.0 7.85 91.5 5.74 5.60 4.0 3.8 10.5 13.0 <0.001 0.001* 0.32 0.32
29.3 27.0 7.86 91.8 5.76 3.9
Middle 5.5 29.0 28.0 7.86 87.0 5.48 3.5 14.9 <0.001 0.33
29.0 28.0 7.85 86.5 5.43 3.5
Bottom 10 28.8 28.3 7.82 82.7 5.23 5.25 4.1 13.7 0.001 0.31
28.8 28.3 7.81 83.6 5.27 4.0
Other Observations: Nil
SR3 17:05 Surface 1 30.4 27.3 8.09 102.5 6.35 6.31 4.6 4.5 14.1 10.2 N.A. N.A. N.A. N.A.
30.4 27.3 8.10 103.1 6.39 4.7
Middle 4.5 30.1 27.5 8.10 101.0 6.26 4.0 7.1 N.A. N.A.
30.1 27.5 8.09 100.3 6.22 3.9
Bottom 7.5 29.3 28.5 8.04 97.0 6.04 6.06 4.8 9.5 N.A. N.A.
29.3 28.4 8.05 97.5 6.07 4.9
Other Observations: 3 dredgers at app 100m
SR4 16:40 Surface 1 30.7 27.2 8.31 125.5 7.73 7.02 5.6 8.4 6.3 8.0 0.001 0.001 0.08 0.17
30.7 27.2 8.32 124.1 7.70 5.5
Middle 4 28.9 28.9 7.95 101.4 6.32 5.7 9.7 0.001 0.19
28.8 29.9 7.96 101.7 6.33 5.7
Bottom 7 28.5 30.1 7.84 83.3 5.26 5.28 13.8 8.1 0.002 0.24
28.5 30.1 7.84 84.2 5.30 13.8
Other Observations: Nil
SR5 16:30 Surface 1 30.7 26.4 8.01 99.2 6.11 5.82 5.5 4.3 9.6 10.1 <0.001 <0.001 0.30 0.23
30.7 26.4 8.02 99.4 6.12 5.5
Middle 4 28.8 29.0 7.95 87.2 5.48 3.9 13.5 <0.001 0.21
28.8 29.1 7.91 89.1 5.55 3.8
Bottom 7 28.7 29.6 7.90 88.1 5.53 5.55 3.6 7.1 <0.001 0.18
28.8 29.6 7.90 86.0 5.57 3.6
Other Observations: Nil
SR6 16:20 Surface 1 30.1 26.9 7.95 99.1 6.14 6.02 7.2 6.1 10.1 7.8 0.001 0.001* 0.28 0.26
30.1 26.9 7.96 97.0 6.08 7.2
Middle 5.5 28.8 28.3 7.83 95.0 5.95 7.9 5.3 <0.001 0.23
28.8 28.3 7.83 94.6 5.92 7.8
Bottom 9.5 28.6 29.1 7.81 83.2 5.37 5.39 3.3 8.1 0.001 0.26
28.6 29.1 7.82 86.3 5.41 3.2
Other Observations: Nil
SR7 16:05 Surface 1 30.0 26.0 7.93 98.0 6.09 5.84 7.0 4.4 15.3 11.3 <0.001 <0.001 0.29 0.21
29.9 26.0 7.92 98.2 6.10 7.0
Middle 11 28.9 29.4 7.86 88.5 5.56 3.6 5.7 <0.001 0.19
28.8 29.4 7.86 88.8 5.59 3.5
Bottom 21 27.4 31.0 7.66 80.4 5.09 5.08 2.6 12.9 <0.001 0.13
27.4 31.0 7.65 80.0 5.07 2.5
Other Observations: Nil
C1 14:18 Surface 1 29.6 27.1 6.85 92.4 5.71 5.58 2.0 2.6 7.9 7.5 <0.001 <0.001 0.31 0.23
29.6 27.1 6.85 92.9 5.73 2.1
Middle 11.5 28.9 28.3 6.78 87.2 5.44 2.1 4.9 <0.001 0.23
29.0 28.3 6.79 87.8 5.43 2.3
Bottom 22 27.6 30.7 6.55 81.0 5.10 5.35 3.5 9.7 <0.001 0.14
27.6 30.7 6.56 80.4 5.60 3.6
Other Observations: Nil
C2 14:35 Surface 1 29.0 27.0 7.04 84.2 5.29 5.20 3.7 6.1 10.6 13.5 <0.001 <0.001 0.35 0.33
29.0 27.0 7.02 85.6 5.33 4.4
Middle 6.5 28.6 28.5 6.93 80.6 5.07 5.8 13.0 <0.001 0.35
28.6 28.5 6.94 81.3 5.11 5.7
Bottom 11.5 28.2 30.7 6.89 79.7 5.02 5.04 8.5 17.0 <0.001 0.28
28.2 30.7 6.89 80.5 5.06 8.6
Other Observations: Nil
C3 15:00 Surface 1 29.8 26.2 7.24 89.0 5.48 5.40 4.8 5.6 11.1 12.0 <0.001 <0.001 0.41 0.32
29.8 26.1 7.23 89.5 5.50 4.6
Middle 5 28.7 28.7 7.05 85.5 5.32 3.9 10.2 <0.001 0.24
28.7 28.7 7.06 84.3 5.28 3.9
Bottom 8.5 27.8 31.1 6.94 73.2 4.61 4.63 8.2 14.8 <0.001 0.32
27.8 31.1 6.92 74.1 4.64 8.2
Other Observations: Nil
C4 15:20 Surface 1 29.8 26.5 7.45 97.5 6.03 5.73 2.4 3.0 7.6 11.5 <0.001 <0.001 0.30 0.30
29.8 26.5 7.46 98.6 6.06 2.6
Middle 6.5 28.9 28.3 7.32 85.7 5.39 3.6 10.8 <0.001 0.30
28.9 28.3 7.33 86.1 5.42 3.6
Bottom 12 28.7 29.7 7.29 86.4 5.43 5.44 2.9 16.0 <0.001 0.31
28.7 29.7 7.30 86.7 5.45 2.8
Other Observations: Nil
C5 15:40 Surface 1 31.0 25.3 8.01 113.0 6.94 6.33 4.0 3.1 11.2 9.9 0.001 0.001* 0.21 0.16
31.0 25.3 8.02 112.6 6.92 4.1
Middle 11.5 29.7 30.7 7.89 91.7 5.73 2.0 13.8 0.001 0.09
29.7 30.6 7.88 91.6 5.74 1.9
Bottom 21.5 25.8 32.9 7.36 73.6 4.63 4.64 3.2 4.6 <0.001 0.17
25.8 33.0 7.35 73.0 4.65 3.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.