Date: 15/8/2001  
Weather: Overcast
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 19:00 Surface 1 28.6 25.0 8.35 101.6 6.42 5.70 3.3 6.6 4.7 7.8 0.001 0.001 0.20 0.17
28.6 25.0 8.34 101.1 6.39 3.4
Middle 13.5 25.6 29.7 7.97 76.1 4.98 5.3 6.7 0.001 0.17
25.7 29.7 7.96 76.9 5.02 5.2
Bottom 26 24.3 31.2 7.84 66.6 4.50 4.51 11.2 11.9 0.001 0.12
24.3 31.5 7.84 67.1 4.52 11.3
Other Observations: Nil
SR2 18:50 Surface 1 30.2 23.2 8.38 99.2 6.19 6.01 4.2 6.7 6.3 14.1 <0.001 0.001* 0.16 0.16
30.2 23.2 8.41 100.5 6.22 4.0
Middle 5.5 28.4 25.4 8.26 90.9 5.80 6.2 13.7 0.001 0.17
28.4 25.4 8.25 91.6 5.84 6.1
Bottom 10 24.5 31.1 7.87 66.5 4.46 4.47 9.9 22.3 0.001 0.14
24.5 31.0 7.86 66.7 4.48 9.9
Other Observations: Nil
SR3 18:15 Surface 1 30.5 22.1 8.52 99.7 6.20 6.09 1.4 3.6 7.9 10.7 N.A. N.A. N.A. N.A.
30.5 22.1 8.53 98.5 6.17 1.3
Middle 4 29.4 24.0 8.47 95.0 5.96 2.5 10.5 N.A. N.A.
29.4 24.0 8.46 96.2 6.01 2.4
Bottom 7 27.9 27.5 7.13 71.1 4.57 4.58 6.8 13.7 N.A. N.A.
27.9 27.5 8.12 71.9 4.59 6.9
Other Observations: 3 nos. dredgers at app 100 m
SR4 17:55 Surface 1 26.7 23.9 8.42 100.4 6.19 6.01 5.5 5.5 4.5 10.9 <0.001 0.001* 0.14 0.11
26.7 23.9 8.41 100.9 6.21 5.2
Middle 4 28.9 25.8 8.30 90.2 5.78 3.4 14.1 <0.001 0.10
28.9 25.9 8.31 92.3 5.84 3.3
Bottom 6.5 28.6 26.9 8.22 83.6 5.32 5.31 7.8 14.1 0.001 0.09
28.6 26.8 8.22 82.1 5.29 7.9
Other Observations: Nil
SR5 17:45 Surface 1 29.8 23.2 8.39 99.3 6.24 6.11 1.7 4.1 5.7 10.2 <0.001 <0.001 0.14 0.14
29.8 23.2 8.41 99.9 6.25 1.8
Middle 4 28.9 24.6 8.32 94.1 5.95 1.5 10.7 <0.001 0.14
28.9 24.8 8.31 95.3 6.00 1.4
Bottom 7 27.4 28.6 8.06 75.2 4.83 4.84 9.0 14.3 <0.001 0.14
27.3 28.6 8.05 76.0 4.85 9.1
Other Observations: Nil
SR6 17:30 Surface 1 30.3 22.2 8.46 100.2 6.27 5.79 1.5 2.3 10.3 7.0 <0.001 0.001* 0.16 0.15
30.3 22.1 8.47 101.2 6.29 1.7
Middle 6 27.6 27.6 8.09 83.6 5.31 1.8 5.3 0.001 0.16
27.6 27.6 8.08 83.0 5.27 1.9
Bottom 10.5 25.4 30.6 7.83 63.4 4.17 4.18 3.5 5.3 <0.001 0.14
25.4 30.6 7.84 63.9 4.19 3.6
Other Observations: Nil
SR7 17:20 Surface 1 29.2 25.3 8.26 90.0 5.70 5.12 1.2 2.2 3.9 5.3 <0.001 <0.001 0.12 0.14
29.2 25.3 8.27 92.1 5.73 1.1
Middle 11.5 27.7 27.5 8.01 69.8 4.53 1.6 4.5 <0.001 0.13
27.6 27.5 8.02 69.1 4.50 1.6
Bottom 21.5 25.2 30.8 7.77 62.4 4.13 4.12 3.8 7.6 <0.001 0.18
25.2 30.9 7.76 61.9 4.11 3.7
Other Observations: Nil
C1 15:30 Surface 1 29.3 23.2 8.45 100.6 6.39 5.60 2.2 4.7 11.8 16.1 0.001 0.001* 0.17 0.14
29.3 23.2 8.46 99.9 6.35 2.2
Middle 13.5 26.5 27.6 8.06 72.3 4.81 4.1 13.6 <0.001 0.14
26.5 27.6 8.07 72.9 4.84 4.1
Bottom 26 24.1 31.2 7.87 67.1 4.53 4.55 7.9 22.8 0.001 0.12
24.1 31.3 7.87 68.1 4.57 7.9
Other Observations: Nil
C2 15:51 Surface 1 28.9 23.6 8.45 97.6 6.22 5.99 2.6 7.6 13.2 11.0 0.001 0.001* 0.17 0.16
29.0 23.6 8.46 98.2 6.24 2.6
Middle 6.5 27.6 25.5 8.16 87.2 5.74 3.7 7.4 0.001 0.18
27.6 25.4 8.19 88.0 5.77 3.7
Bottom 12 25.5 29.6 7.99 71.0 4.70 4.69 16.4 12.4 <0.001 0.14
25.5 29.7 7.98 70.1 4.67 16.4
Other Observations: Nil
C3 16:05 Surface 1 28.5 21.7 8.14 97.6 6.16 6.11 3.0 4.8 11.2 12.3 <0.001 0.001* 0.28 0.27
28.5 21.7 8.15 97.0 6.14 3.0
Middle 5.5 28.4 22.6 8.12 95.6 6.06 3.3 11.4 <0.001 0.27
28.4 22.6 8.11 96.1 6.09 3.3
Bottom 9.5 27.6 26.6 7.95 90.8 5.76 5.78 8.0 14.2 0.001 0.24
27.6 26.6 7.96 91.3 5.79 8.0
Other Observations: Nil
C4 16:25 Surface 1 30.6 21.9 8.41 102.8 6.37 5.90 2.2 2.6 11.4 14.1 0.001 0.001* 0.17 0.17
30.6 21.9 8.42 103.0 6.38 2.2
Middle 6 28.3 25.4 8.12 85.3 5.44 1.9 16.2 0.001 0.16
28.3 25.4 8.13 84.8 5.41 1.9
Bottom 11 27.1 28.4 7.88 70.0 4.62 4.63 3.8 14.8 <0.001 0.18
27.1 28.5 7.89 74.1 4.64 3.8
Other Observations: Nil
C5 17:00 Surface 1 30.4 22.2 8.46 102.0 6.33 6.09 1.9 1.4 8.6 5.8 <0.001 <0.001 0.15 0.08
30.4 22.2 8.45 102.7 6.34 1.9
Middle 11 29.4 26.2 8.31 92.7 5.81 1.1 3.6 <0.001 0.04
29.5 26.1 8.32 93.4 5.86 1.1
Bottom 21 29.2 27.2 8.26 78.3 5.08 5.10 1.1 5.2 <0.001 0.06
29.2 27.2 8.27 79.2 5.11 1.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 15/8/2001  
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 10:35 Surface 1 29.4 22.2 8.30 102.2 7.65 7.20 1.6 3.9 5.0 11.0 0.001 0.001* 0.19 0.16
29.5 22.2 8.31 102.1 7.63 1.7
Middle 13.5 27.5 26.4 8.06 91.1 6.75 4.0 18.4 0.001 0.17
27.5 26.4 8.06 91.3 6.76 3.9
Bottom 25.5 25.0 30.3 7.78 67.5 5.36 5.37 6.0 9.6 <0.001 0.13
25.0 30.2 7.79 67.8 5.38 5.9
Other Observations: Nil
SR2 10:25 Surface 1 29.4 23.0 8.33 106.4 7.86 7.65 1.3 1.5 6.2 6.2 0.001 0.001 0.17 0.12
29.4 23.0 8.34 106.2 7.83 1.2
Middle 5.5 28.9 23.9 8.26 100.2 7.46 1.4 5.0 0.001 0.02
28.8 24.1 8.26 100.0 7.43 1.5
Bottom 9.5 28.3 24.8 8.18 96.5 6.83 6.84 1.7 7.4 0.001 0.17
28.3 24.8 8.19 96.7 6.85 1.8
Other Observations: Nil
SR3 09:50 Surface 1 30.3 21.9 8.52 107.1 7.85 7.71 4.4 4.0 7.2 6.7 N.A. N.A. N.A. N.A.
30.3 21.9 8.53 107.3 7.86 4.3
Middle 4 29.8 24.8 8.27 103.5 7.55 4.1 6.8 N.A. N.A.
29.8 24.8 8.28 103.7 7.56 4.0
Bottom 6.5 28.9 25.4 8.23 89.8 6.67 6.68 3.6 6.2 N.A. N.A.
28.9 25.4 8.22 90.5 6.69 3.5
Other Observations: 2 nos. dredgers at app 100m
SR4 09:32 Surface 1 30.1 21.6 8.49 108.6 8.00 7.88 1.7 1.5 3.6 9.1 0.002 0.001 0.15 0.15
30.1 21.6 8.49 108.6 7.99 1.7
Middle 3.5 28.8 25.1 8.29 104.9 7.77 1.0 11.0 0.001 0.16
28.8 25.1 8.28 104.8 7.75 0.9
Bottom 6 28.6 25.1 8.26 92.6 6.91 6.90 1.9 12.8 0.001 0.13
28.6 25.2 8.25 92.3 6.89 2.0
Other Observations: Nil
SR5 09:20 Surface 1 30.2 21.8 8.48 109.3 8.07 7.84 1.4 1.5 8.0 9.7 0.001 0.001 0.15 0.11
30.2 21.8 8.49 109.5 8.09 1.3
Middle 3.5 29.3 25.1 8.37 102.2 7.60 1.5 10.4 0.001 0.11
29.3 25.1 8.37 102.1 7.58 1.4
Bottom 6 29.1 25.6 8.34 94.5 7.05 7.06 1.8 10.8 0.002 0.09
29.1 26.2 8.33 94.6 7.06 1.7
Other Observations: Nil
SR6 09:10 Surface 1 30.1 21.2 8.60 109.1 8.02 7.61 0.9 0.9 4.4 9.2 0.001 0.001 0.13 0.13
30.1 21.2 8.61 109.2 8.03 0.8
Middle 5.5 29.0 25.0 8.37 96.5 7.19 0.9 10.8 0.001 0.10
29.0 25.0 8.36 96.8 7.21 0.9
Bottom 10 28.7 25.9 8.25 85.7 6.41 6.42 1.1 12.4 0.002 0.14
28.7 25.9 8.26 85.8 6.42 1.0
Other Observations: Nil
SR7 08:55 Surface 1 29.5 24.3 8.41 104.5 7.70 6.86 0.8 1.4 10.2 9.8 0.002 0.001* 0.15 0.15
29.5 24.3 8.42 104.4 7.75 0.8
Middle 11 28.1 27.3 8.16 79.0 6.00 1.1 9.0 0.001 0.15
28.1 27.3 8.15 79.1 6.00 1.2
Bottom 21 26.0 30.2 7.90 70.1 5.44 5.43 2.2 10.2 <0.001 0.16
25.9 30.2 7.90 70.0 5.42 2.2
Other Observations: Nil
C1 07:10 Surface 1 29.5 21.1 8.47 107.1 6.89 6.10 1.5 3.6 9.0 9.7 0.003 0.002 0.22 0.18
29.5 21.1 8.48 107.2 6.90 1.4
Middle 13.5 26.4 28.3 8.08 81.5 5.31 3.8 8.6 0.001 0.16
26.4 28.3 8.08 81.4 5.30 3.9
Bottom 25.5 24.3 31.3 7.88 73.0 4.86 4.83 5.5 11.6 0.001 0.17
25.3 31.2 7.88 72.8 4.80 5.4
Other Observations: Nil
C2 07:30 Surface 1 29.3 21.8 8.38 102.9 7.75 7.71 1.9 2.4 9.3 12.4 0.002 0.002 0.23 0.21
29.3 21.8 8.39 103.0 7.76 2.0
Middle 6.5 28.7 22.5 8.34 101.4 7.66 1.6 14.9 0.002 0.23
28.7 22.6 8.35 101.2 7.65 1.7
Bottom 12 28.9 23.5 8.36 79.6 5.45 5.45 3.6 13.1 0.002 0.17
28.9 23.5 8.36 79.5 5.44 3.7
Other Observations: Nil
C3 07:45 Surface 1 29.7 21.0 8.47 107.5 8.03 7.96 1.9 1.9 6.3 6.9 0.001 0.001 0.21 0.18
29.7 21.0 8.48 107.4 8.02 1.8
Middle 5 29.9 22.9 8.46 106.0 7.88 2.4 5.5 0.002 0.19
29.9 22.9 8.46 106.2 7.89 2.3
Bottom 8.5 28.1 27.5 8.19 86.8 6.59 6.60 1.5 8.9 0.001 0.13
28.1 27.5 8.20 87.0 6.60 1.4
Other Observations: Nil
C4 08:10 Surface 1 29.7 20.7 8.55 109.7 8.15 7.77 1.2 1.0 13.5 10.8 0.002 0.002 0.17 0.13
29.7 20.8 8.56 109.6 8.14 1.1
Middle 6 29.1 24.9 8.37 99.6 7.39 1.0 9.9 0.002 0.07
29.1 25.0 8.37 99.5 7.38 0.9
Bottom 10.5 27.9 27.5 8.09 82.6 6.28 6.28 0.7 8.9 0.001 0.15
27.9 27.5 8.08 82.5 6.27 0.8
Other Observations: Nil
C5 08:35 Surface 1 29.7 22.5 8.46 106.3 7.91 7.51 1.2 1.3 9.3 9.9 0.001 0.001* 0.14 0.10
29.7 22.5 8.46 106.4 7.92 1.1
Middle 10.5 28.9 28.7 8.30 94.5 7.12 0.4 6.9 <0.001 0.03
28.9 28.7 8.29 94.3 7.10 0.4
Bottom 20 26.4 30.0 7.94 72.3 5.70 5.71 2.3 13.5 <0.001 0.12
26.5 30.0 7.95 72.4 5.71 2.2
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.