Date: 6/8/2001  
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 10:17 Surface 1 28.5 24.2 8.47 79.6 6.36 5.70 7.8 9.6 4.6 10.8 0.002 0.001* 0.16 0.17
28.5 24.1 8.48 79.1 6.32 7.6
Middle 13.5 25.9 28.3 8.06 59.7 5.06 12.3 9.6 0.001 0.18
25.9 28.4 8.06 59.9 5.07 12.5
Bottom 25.5 24.5 30.9 7.97 63.7 5.36 5.35 8.9 18.2 <0.001 0.16
24.5 30.8 7.97 63.3 5.33 8.7
Other Observations: Nil
SR2 10:02 Surface 1 28.7 23.8 8.53 95.2 7.42 7.03 4.0 5.6 6.4 6.4 <0.001 0.001* 0.15 0.17
28.7 23.8 8.53 95.0 7.40 3.6
Middle 6 28.4 24.1 8.45 83.6 6.64 3.7 3.4 0.001 0.12
28.4 24.1 8.46 83.7 6.66 3.5
Bottom 10.5 27.0 25.8 8.16 82.1 6.60 6.62 9.5 9.4 0.001 0.24
27.0 25.7 8.16 82.5 6.63 9.4
Other Observations: Nil
SR3 09:32 Surface 1 29.0 23.8 8.58 68.6 5.60 5.53 3.4 9.2 5.8 6.3 N.A. N.A. N.A. N.A.
29.0 23.7 8.58 68.7 5.61 3.2
Middle 4.5 28.5 24.0 8.51 66.0 5.44 7.1 5.2 N.A. N.A.
28.6 24.1 8.52 66.3 5.45 7.6
Bottom 8 26.3 28.6 8.11 58.9 5.30 5.30 17.1 8.0 N.A. N.A.
26.3 28.6 8.10 58.7 5.29 16.9
Other Observations: 2 nos. of dredgers at 100 m
SR4 09:12 Surface 1 28.8 23.7 8.60 72.0 5.84 5.67 3.5 6.1 3.8 10.2 <0.001 0.001* 0.11 0.12
28.8 23.7 8.61 72.2 5.86 3.1
Middle 4 28.3 24.4 8.47 66.5 5.48 8.4 10.4 0.001 0.11
28.3 24.4 8.48 66.6 5.49 8.3
Bottom 6.5 27.9 25.3 8.39 63.8 5.31 5.30 6.7 16.4 0.001 0.14
27.9 25.3 8.38 63.5 5.29 6.6
Other Observations: Nil
SR5 09:02 Surface 1 28.9 23.7 8.59 71.4 5.81 5.84 2.0 3.5 4.2 9.0 0.001 0.001 0.11 0.12
28.9 23.7 8.58 71.3 5.79 1.9
Middle 5 28.6 23.8 8.57 72.6 5.89 2.3 9.2 0.001 0.11
28.6 24.0 8.57 72.4 5.87 2.2
Bottom 9 28.4 24.3 8.51 71.5 5.82 5.82 6.3 13.6 0.001 0.13
28.4 24.3 8.50 71.3 5.81 6.4
Other Observations: Nil
SR6 08:52 Surface 1 28.7 23.7 8.60 76.0 6.13 6.09 2.1 4.6 4.0 11.3 <0.001 <0.001 0.13 0.13
28.7 23.7 8.61 76.3 6.15 2.0
Middle 6.5 28.5 23.9 8.57 74.7 6.03 3.2 24.0 <0.001 0.12
28.5 23.9 8.57 74.9 6.05 3.3
Bottom 11.5 25.2 30.8 8.03 64.9 5.71 5.72 8.4 5.8 <0.001 0.15
25.2 30.7 8.02 65.1 5.72 8.5
Other Observations: Nil
SR7 08:40 Surface 1 28.7 23.8 8.57 75.2 6.06 5.73 1.8 8.8 6.6 7.0 0.001 0.001* 0.12 0.13
28.7 23.8 8.56 75.4 6.07 1.7
Middle 11.5 25.4 30.8 8.04 60.3 5.40 7.5 6.6 <0.001 0.14
25.4 30.6 8.05 60.2 5.40 7.4
Bottom 21.5 24.4 31.3 8.00 60.5 5.46 5.46 17.4 7.8 <0.001 0.14
24.4 31.3 8.00 60.3 5.45 17.0
Other Observations: Nil
C1 07:00 Surface 1 27.3 24.9 8.32 94.8 7.47 6.94 4.5 7.7 9.6 18.7 0.002 0.001 0.22 0.18
27.3 24.9 8.31 94.9 7.48 4.5
Middle 13.5 26.0 28.0 8.12 79.1 6.39 7.8 8.6 0.001 0.17
26.0 28.0 8.12 79.1 6.40 7.8
Bottom 25.5 24.1 31.2 7.96 80.8 5.87 5.85 10.7 37.8 0.001 0.14
24.1 31.1 7.96 80.3 5.83 10.7
Other Observations: Nil
C2 07:19 Surface 1 28.2 23.9 8.51 95.0 7.44 6.91 3.2 6.4 7.6 10.1 0.003 0.002 0.14 0.17
28.2 23.8 8.51 95.5 7.46 3.2
Middle 7 26.8 26.2 8.25 78.4 6.34 5.4 9.8 0.001 0.17
26.8 26.3 8.26 79.0 6.38 5.4
Bottom 12.5 25.6 28.8 8.09 70.9 5.83 5.83 10.7 12.8 0.001 0.19
25.6 28.6 8.10 70.8 5.82 10.7
Other Observations: Nil
C3 07:39 Surface 1 28.4 23.7 8.54 86.7 6.86 6.87 1.8 2.8 3.8 6.5 <0.001 0.001* 0.13 0.19
28.4 23.7 8.54 86.8 6.87 1.8
Middle 5 28.4 24.1 8.54 86.8 6.87 2.2 5.0 0.002 0.26
28.4 24.0 8.53 86.7 6.86 2.2
Bottom 9 28.2 24.0 8.46 88.0 6.96 6.95 4.4 10.6 0.001 0.18
28.2 24.0 8.46 87.7 6.94 4.4
Other Observations: Nil
C4 07:57 Surface 1 28.5 23.7 8.60 87.0 6.87 6.77 1.3 6.1 6.2 7.5 0.001 0.001* 0.11 0.13
28.5 23.7 8.60 86.9 6.87 1.3
Middle 6.5 28.3 24.1 8.53 83.8 6.66 2.7 9.2 <0.001 0.12
28.4 24.2 8.53 84.1 6.68 2.7
Bottom 11.5 25.3 30.6 8.02 82.7 5.64 5.63 14.3 7.2 <0.001 0.15
25.2 30.7 8.07 82.5 5.61 14.3
Other Observations: Nil
C5 08:18 Surface 1 28.9 24.1 8.56 74.9 6.03 5.89 1.0 7.7 6.2 7.9 <0.001 <0.001 0.09 0.12
28.9 24.2 8.56 75.1 6.05 1.0
Middle 11.5 26.0 31.0 8.10 65.4 5.74 6.5 7.4 <0.001 0.20
26.0 31.0 8.11 65.3 5.73 6.5
Bottom 22 24.1 31.6 8.03 63.9 5.68 5.67 15.7 10.2 <0.001 0.08
24.1 31.6 8.03 63.7 5.66 15.7
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 06/08/2001  
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 15:05 Surface 1 28.2 24.4 8.44 83.2 6.79 6.42 5.4 11.2 14.4 16.1 <0.001 0.001* 0.11 0.14
28.2 24.4 8.43 82.9 6.77 5.2
Middle 13 27.0 25.6 8.16 71.3 6.05 10.1 13.2 0.001 0.16
27.0 25.5 8.16 71.6 6.07 9.7
Bottom 24.5 24.6 30.7 7.90 56.9 5.18 5.20 18.5 20.6 <0.001 0.14
24.6 30.7 7.92 57.3 5.21 18.4
Other Observations: Nil
SR2 14:50 Surface 1 28.2 24.1 8.41 76.2 6.22 6.08 4.0 6.0 5.0 7.7 <0.001 0.001* 0.11 0.14
28.2 24.1 8.40 76.1 6.21 3.8
Middle 5.5 27.4 25.3 8.20 70.5 5.93 6.1 10.2 <0.001 0.14
27.4 25.3 8.20 70.8 5.95 6.0
Bottom 9.5 27.0 26.1 8.13 65.1 5.50 5.51 8.3 8.0 0.001 0.16
27.0 26.2 8.12 65.3 5.52 8.0
Other Observations: Nil
SR3 14:22 Surface 1 30.3 23.9 8.50 75.8 6.11 6.06 3.1 4.5 7.0 6.8 N.A. N.A. N.A. N.A.
30.3 23.9 8.50 75.6 6.10 2.9
Middle 4 29.2 24.2 8.50 75.0 6.02 4.4 4.4 N.A. N.A.
29.2 24.2 8.51 75.0 6.01 4.3
Bottom 7 28.8 24.3 8.43 74.7 6.00 6.01 6.2 9.0 N.A. N.A.
28.8 24.3 8.43 74.9 6.02 5.9
Other Observations: 2 nos. of dredgers at 100 m
SR4 13:58 Surface 1 30.1 23.6 8.54 83.2 6.71 6.50 1.7 3.9 3.6 9.5 <0.001 0.002* 0.09 0.10
30.1 23.6 8.55 82.8 6.68 1.6
Middle 4 29.9 23.5 8.52 79.7 6.32 4.2 6.6 <0.001 0.09
29.8 23.6 8.53 79.4 6.30 4.3
Bottom 6.5 28.8 23.9 8.46 76.8 6.17 6.16 5.9 18.4 0.003 0.11
28.7 24.0 8.47 76.5 6.14 5.7
Other Observations: Nil
SR5 13:48 Surface 1 30.1 23.7 8.51 77.1 6.12 6.11 0.9 5.0 9.6 11.2 0.001 0.001 0.11 0.11
30.1 23.7 8.50 77.0 6.11 1.0
Middle 5 28.9 23.8 8.50 75.8 6.10 3.8 12.0 0.001 0.09
28.9 23.8 8.51 75.6 6.09 3.7
Bottom 8.5 28.3 25.2 8.37 65.6 5.43 5.47 10.2 12.0 0.001 0.12
28.3 25.2 8.38 66.7 5.50 10.1
Other Observations: Nil
SR6 13:37 Surface 1 30.5 23.7 8.52 78.3 6.18 6.26 0.9 2.6 10.8 13.0 <0.001 0.001* 0.11 0.11
30.5 23.7 8.51 78.5 6.19 1.1
Middle 5.5 29.1 23.7 8.48 79.5 6.34 2.4 13.8 0.001 0.11
29.1 23.8 8.49 79.1 6.32 2.2
Bottom 10 28.1 24.7 8.37 70.9 5.79 5.80 4.4 14.4 0.001 0.12
28.1 24.6 8.36 71.2 5.81 4.3
Other Observations: Nil
SR7 13:25 Surface 1 28.6 23.9 8.55 77.0 6.20 6.05 1.5 8.0 10.6 11.9 <0.001 <0.001 0.11 0.13
28.6 23.9 8.54 76.7 6.18 1.6
Middle 11 25.3 30.9 8.07 70.2 5.90 7.2 14.0 <0.001 0.14
25.3 30.9 8.06 70.6 5.93 7.0
Bottom 21 24.3 31.5 7.97 62.6 5.57 5.56 15.4 11.0 <0.001 0.14
24.2 31.4 7.98 62.4 5.55 15.3
Other Observations: Nil
C1 11:45 Surface 1 28.6 24.3 8.49 82.8 6.89 6.46 5.4 8.4 11.2 13.0 0.001 0.002 0.12 0.16
28.6 24.3 8.47 82.1 6.91 5.3
Middle 13 27.1 25.6 8.23 69.2 6.01 7.4 12.4 0.002 0.17
27.1 25.6 8.22 69.5 6.02 7.2
Bottom 25 26.4 27.4 8.12 65.4 5.74 5.75 12.5 15.4 0.002 0.18
26.4 27.4 8.13 65.5 5.75 12.3
Other Observations: Nil
C2 12:02 Surface 1 28.1 25.9 8.35 76.5 6.49 6.33 6.7 7.7 8.2 9.4 0.001 0.001 0.17 0.20
28.1 25.9 8.34 76.8 6.51 6.6
Middle 6.5 27.0 25.2 8.19 71.4 6.14 7.1 8.2 0.001 0.20
27.0 25.2 8.19 71.8 6.17 6.9
Bottom 11.5 26.6 26.4 8.13 65.1 5.74 5.75 9.6 11.8 0.002 0.22
26.6 26.4 8.13 65.3 5.76 9.4
Other Observations: Nil
C3 12:21 Surface 1 29.3 23.5 8.47 95.7 7.39 7.08 2.0 4.4 4.4 7.2 <0.001 0.001* 0.10 0.13
29.3 23.4 8.47 95.8 7.40 1.7
Middle 5 28.4 24.1 8.37 84.7 6.72 3.1 8.0 0.001 0.11
28.3 24.2 8.37 85.3 6.80 2.9
Bottom 8.5 26.8 26.1 8.03 74.8 6.11 6.11 8.5 9.2 0.001 0.19
26.8 26.1 8.03 74.6 6.10 8.3
Other Observations: Nil
C4 12:40 Surface 1 29.6 23.4 8.51 88.6 7.32 6.93 1.0 2.0 13.2 7.8 <0.001 <0.001 0.10 0.11
29.6 23.4 8.52 88.3 7.30 1.1
Middle 6.5 28.4 24.1 8.40 82.1 6.54 2.4 4.2 <0.001 0.09
28.4 24.1 8.40 82.5 6.57 2.4
Bottom 11.5 26.8 27.2 8.03 61.7 5.15 5.15 2.7 6.0 <0.001 0.13
26.8 27.2 8.03 61.6 5.14 2.5
Other Observations: Nil
C5 13:03 Surface 1 30.4 23.4 8.49 90.4 6.99 6.58 1.0 6.9 5.0 8.9 0.002 0.001* 0.10 0.12
30.4 23.4 8.51 90.7 7.01 1.1
Middle 11 26.7 27.6 8.02 71.3 6.15 4.4 8.6 <0.001 0.14
26.7 27.6 8.03 71.5 6.17 4.5
Bottom 21 25.2 30.8 7.83 63.6 5.36 5.37 15.4 13.0 <0.001 0.12
25.2 30.8 7.82 63.7 5.37 15.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.