Date: 31/7/2001  
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 19:08 Surface 1 28.8 17.6 7.77 132.3 9.22 7.67 5.2 9.5 5.6 9.5 <0.001 0.001* 0.67 0.36
28.8 17.6 7.78 127.8 9.06 6.2
Middle 13 26.0 27.0 7.51 87.1 6.35 12.8 13.4 0.001 0.25
27.1 25.2 7.58 80.8 6.05 12.8
Bottom 25 24.3 30.5 7.26 54.7 3.73 3.65 9.9 9.6 <0.001 0.17
24.3 30.5 7.24 50.6 3.57 9.8
Other Observations: Nil
SR2 18:55 Surface 1 29.5 18.2 8.36 85.6 5.84 5.21 6.1 10.4 8.8 14.9 0.001 0.002 0.45 0.36
29.5 18.3 8.39 88.7 6.07 5.9
Middle 5.5 27.7 25.8 8.17 61.0 4.21 8.4 16.8 0.002 0.40
27.5 25.5 8.17 66.6 4.72 8.8
Bottom 9.5 25.5 29.1 7.96 39.2 2.72 2.69 16.6 19.2 0.002 0.23
25.0 29.5 7.94 32.4 2.66 16.6
Other Observations: Nil
SR3 18:25 Surface 1 29.5 21.1 8.53 93.7 6.36 5.84 5.3 11.4 12.4 15.7 N.A. N.A. N.A. N.A.
29.7 20.7 8.59 96.1 6.52 4.9
Middle 4 28.1 24.4 8.30 78.2 5.34 6.9 16.8 N.A. N.A.
28.1 25.3 8.31 75.3 5.14 6.7
Bottom 7 27.0 26.9 8.15 48.1 3.21 3.25 21.2 18.0 N.A. N.A.
26.9 27.1 8.14 50.3 3.29 23.3
Other Observations: 3 Dredgers
SR4 18:00 Surface 1 30.1 19.9 8.67 115.6 7.58 7.02 2.8 4.2 14.4 11.4 0.002 0.002 0.30 0.26
30.2 19.9 8.69 103.9 7.81 2.2
Middle 4 29.1 23.2 8.41 88.9 6.31 6.4 10.4 0.001 0.29
30.0 22.2 8.67 91.9 6.38 6.1
Bottom 6.5 27.5 25.5 8.26 65.9 4.90 4.57 4.0 9.4 0.002 0.20
27.3 25.7 8.24 63.7 4.23 3.9
Other Observations: Nil
SR5 17:50 Surface 1 30.2 20.0 8.60 113.3 7.31 6.49 8.7 7.0 10.0 9.3 0.002 0.002 0.34 0.28
30.2 20.1 8.61 108.6 7.26 7.6
Middle 4 27.8 24.9 8.29 76.9 5.82 4.3 8.8 0.001 0.28
27.8 25.3 8.31 68.9 5.57 4.2
Bottom 6.5 27.1 26.6 8.17 58.7 4.03 4.08 8.5 9.2 0.002 0.22
26.9 26.8 8.17 59.6 4.12 8.5
Other Observations: Nil
SR6 17:37 Surface 1 29.9 18.9 8.50 114.7 7.84 6.53 3.1 5.3 10.8 9.9 0.001 0.001 0.48 0.31
29.9 19.3 8.51 113.6 7.77 3.4
Middle 5 27.1 26.3 8.21 76.5 5.45 3.6 7.2 0.001 0.26
27.1 26.5 8.20 72.5 5.04 2.9
Bottom 9 25.5 29.3 8.00 40.4 2.92 3.07 9.6 11.6 0.001 0.20
25.6 29.0 8.00 46.4 3.22 9.3
Other Observations: Nil
SR7 17:19 Surface 1 29.7 18.2 8.51 91.2 6.24 5.50 8.9 7.7 8.6 8.5 0.001 0.001* 0.41 0.24
29.6 19.9 8.54 94.7 6.56 8.1
Middle 11 26.3 28.7 8.09 63.9 4.71 6.6 8.2 0.001 0.18
26.1 29.0 8.05 60.6 4.48 6.5
Bottom 20.5 24.8 30.8 7.95 32.8 2.30 2.30 8.0 8.8 <0.001 0.13
24.6 31.1 7.95 32.2 2.30 8.2
Other Observations: Nil
C1 15:35 Surface 1 28.8 19.4 8.03 103.9 7.19 5.87 9.6 9.7 8.6 7.9 0.001 0.001* 0.55 0.32
28.6 19.7 8.02 102.6 7.13 9.6
Middle 13 24.8 29.7 7.66 64.5 4.65 8.2 8.2 0.001 0.26
24.9 29.3 7.64 64.3 4.50 8.2
Bottom 25 23.8 30.9 7.55 39.0 2.76 2.83 11.4 7.0 <0.001 0.15
23.8 31.5 7.55 39.6 2.90 11.4
Other Observations: Nil
C2 15:50 Surface 1 27.3 21.6 7.99 67.0 4.84 4.52 9.6 9.5 7.8 12.1 0.002 0.002 0.54 0.39
27.3 21.2 7.99 64.1 4.71 9.6
Middle 6.5 26.9 24.5 7.96 61.4 4.23 9.5 10.4 0.002 0.39
26.8 23.7 7.96 60.5 4.29 9.5
Bottom 11.5 25.3 28.6 7.86 48.4 3.39 3.39 9.4 18.2 0.001 0.24
25.3 28.4 7.86 48.3 3.38 9.4
Other Observations: Nil
C3 16:10 Surface 1 28.2 18.7 8.06 70.9 4.97 4.55 5.8 18.6 5.0 10.7 0.001 0.002 0.67 0.51
28.3 17.8 8.07 71.2 5.01 5.8
Middle 4.5 27.4 23.2 8.05 58.8 4.15 11.1 9.0 0.001 0.54
27.2 23.6 8.05 58.2 4.08 11.1
Bottom 7.5 26.7 26.7 7.99 47.5 3.37 3.26 38.8 18.0 0.003 0.31
26.6 26.8 7.98 42.2 3.14 38.8
Other Observations: Nil
C4 16:35 Surface 1 28.7 19.5 8.25 84.9 6.08 5.15 5.0 10.8 5.4 7.1 0.001 0.002 0.60 0.36
28.8 19.1 8.27 82.3 5.73 5.0
Middle 6 27.5 24.7 8.14 62.8 4.64 8.6 7.6 0.003 0.31
27.0 25.8 8.13 60.4 4.16 8.6
Bottom 11 24.7 30.3 7.86 31.3 2.40 2.29 18.8 8.2 0.001 0.18
24.4 30.6 7.83 31.1 2.18 18.8
Other Observations: Nil
C5 17:03 Surface 1 30.0 20.8 8.65 103.3 6.85 5.51 13.7 7.2 5.8 5.5 0.002 0.001* 0.20 0.17
30.0 20.7 8.65 105.3 7.10 13.7
Middle 11 27.0 27.9 8.19 56.4 4.09 3.1 5.6 0.001 0.14
27.2 27.6 8.21 54.4 3.98 3.1
Bottom 21 25.2 30.9 8.03 42.3 2.66 2.64 4.8 5.2 <0.001 0.16
25.4 30.6 8.00 41.8 2.61 4.8
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 31/7/2001  
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 11:40 Surface 1 28.4 21.0 8.30 97.8 6.72 5.35 4.7 10.8 6.4 10.7 0.002 0.002* 0.34 0.24
28.5 21.0 8.30 95.6 6.60 3.9
Middle 12.5 26.8 25.9 8.08 59.0 4.05 14.4 15.0 0.004 0.23
26.7 25.7 8.06 58.4 4.02 15.8
Bottom 24 24.5 30.2 7.86 36.5 2.56 2.51 13.1 10.8 <0.001 0.16
24.4 30.8 7.84 34.6 2.46 12.9
Other Observations: Nil
SR2 11:30 Surface 1 28.2 21.6 8.24 89.7 6.20 5.71 7.7 8.2 5.6 10.6 0.002 0.002 0.35 0.37
28.1 21.7 8.24 90.5 6.38 7.9
Middle 5.5 27.4 23.1 8.11 75.2 5.26 5.6 7.6 0.002 0.38
27.4 23.0 8.10 72.3 5.01 6.1
Bottom 9.5 27.1 25.0 8.12 61.0 4.58 4.41 10.6 18.6 0.003 0.37
27.1 24.9 8.12 62.5 4.23 11.1
Other Observations: Nil
SR3 11:00 Surface 1 29.2 20.9 8.40 89.5 6.26 5.92 7.4 19.7 12.4 14.7 N.A. N.A. N.A. N.A.
29.2 20.7 8.45 92.9 6.36 7.7
Middle 4 28.8 23.5 8.31 81.7 5.55 26.3 13.6 N.A. N.A.
28.8 23.3 8.31 80.5 5.51 26.1
Bottom 7 27.4 26.2 8.18 60.0 4.10 4.12 26.1 18.2 N.A. N.A.
27.4 25.9 8.18 60.5 4.14 24.7
Other Observations: 4 dredgers
SR4 10:40 Surface 1 29.3 19.8 8.50 93.9 6.45 6.80 4.2 9.0 9.0 12.7 0.004 0.005 0.29 0.27
29.2 19.9 8.52 98.0 6.72 3.8
Middle 3.5 29.0 20.1 8.50 103.5 6.98 3.7 10.6 0.006 0.30
28.9 20.4 8.51 104.7 7.05 3.7
Bottom 6 27.0 26.5 8.23 52.8 3.73 3.65 19.2 18.6 0.004 0.22
26.9 26.6 8.19 51.7 3.56 19.4
Other Observations: Nil
SR5 10:30 Surface 1 29.1 19.6 8.46 97.8 6.70 6.54 1.5 4.9 8.6 11.1 0.003 0.003 0.32 0.28
29.2 19.6 8.49 99.5 6.84 1.8
Middle 4 28.9 21.4 8.43 96.0 6.26 5.2 10.2 0.004 0.32
28.9 21.7 8.42 97.1 6.35 5.7
Bottom 7 27.2 26.9 8.22 62.1 4.26 4.20 7.8 14.4 0.003 0.20
26.9 27.1 8.21 60.3 4.13 7.1
Other Observations: Nil
SR6 10:15 Surface 1 28.8 19.8 8.49 101.6 7.05 6.11 6.0 3.7 4.6 5.5 0.003 0.003 0.31 0.27
28.8 19.8 8.50 100.7 6.93 5.4
Middle 5.5 27.5 25.8 8.30 78.9 5.41 3.5 6.6 0.003 0.30
27.2 26.1 8.29 73.8 5.03 3.4
Bottom 9.5 27.1 26.6 8.25 60.4 4.13 4.10 1.9 5.2 0.002 0.19
27.1 26.6 8.25 57.9 4.07 1.9
Other Observations: Nil
SR7 10:05 Surface 1 28.8 21.0 8.43 98.8 6.74 5.69 8.8 12.6 12.6 13.3 0.003 0.002 0.28 0.20
28.7 21.1 8.43 95.4 6.54 8.9
Middle 11 27.2 26.8 8.27 70.3 4.81 4.2 9.4 0.001 0.16
27.1 26.8 8.26 68.5 4.68 3.7
Bottom 20.5 24.4 30.6 7.97 37.6 2.79 2.71 25.4 17.8 0.001 0.16
24.3 30.5 7.96 37.3 2.63 24.5
Other Observations: Nil
C1 08:15 Surface 1 27.9 20.6 8.06 119.0 8.07 7.14 2.8 6.5 7.2 7.5 0.003 0.002* 0.47 0.28
27.9 20.5 8.14 115.7 7.92 3.1
Middle 13 26.6 26.6 8.14 91.8 6.28 4.7 6.2 0.003 0.23
26.7 27.5 8.17 91.6 6.27 5.6
Bottom 25 24.0 30.7 7.91 45.1 3.19 3.22 10.5 9.2 <0.001 0.15
24.0 30.7 7.90 43.0 3.25 12.1
Other Observations: Nil
C2 08:35 Surface 1 27.8 20.7 8.19 85.6 6.01 5.64 5.3 8.6 11.2 11.2 0.003 0.003 0.43 0.37
27.8 20.5 8.20 84.8 5.98 5.3
Middle 6.5 27.3 23.4 8.15 76.1 5.29 4.1 13.2 0.002 0.36
27.3 23.7 8.15 75.4 5.26 3.5
Bottom 12 26.3 27.8 8.09 53.8 3.72 3.73 16.6 9.2 0.003 0.32
26.0 28.9 8.07 53.9 3.73 17.0
Other Observations: Nil
C3 08:55 Surface 1 28.6 21.5 8.33 90.9 6.24 6.29 3.6 6.5 8.0 7.9 0.003 0.003 0.30 0.24
28.6 21.4 8.33 93.2 6.26 3.4
Middle 4.5 28.3 22.1 8.39 92.0 6.33 4.4 8.8 0.003 0.21
28.3 22.3 8.40 93.4 6.33 3.8
Bottom 8 26.9 26.5 8.20 67.4 4.65 4.54 11.9 6.8 0.003 0.22
26.7 26.4 8.19 58.4 4.43 12.0
Other Observations: Nil
C4 09:15 Surface 1 28.8 21.6 8.40 102.2 6.97 6.21 9.8 7.9 9.8 6.0 0.005 0.003 0.25 0.21
28.7 21.8 8.42 103.2 7.02 9.4
Middle 6.5 27.5 25.0 8.30 83.6 5.42 5.1 3.0 0.003 0.23
27.4 25.1 8.29 81.7 5.41 5.0
Bottom 11.5 26.5 28.4 8.08 55.3 3.80 3.79 8.6 5.2 0.001 0.16
26.9 28.9 8.04 54.7 3.78 9.2
Other Observations: Nil
C5 09:38 Surface 1 28.6 19.5 8.46 92.7 6.43 5.48 2.6 4.1 15.0 11.1 0.002 0.001* 0.34 0.20
28.5 20.0 8.47 93.3 6.47 3.1
Middle 11 27.3 26.3 8.26 70.1 4.67 2.3 7.4 0.001 0.15
27.2 26.7 8.25 69.8 4.36 2.0
Bottom 21 24.8 31.1 8.04 41.7 2.90 2.92 7.4 11.0 <0.001 0.12
24.7 31.3 8.04 41.5 2.93 7.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.