Date: 23/7/2001  
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 10:20 Surface 1 27.3 19.9 8.46 102.6 7.30 5.33 8.4 16.3 12.0 14.3 <0.001 0.001* 0.37 0.35
27.3 19.9 8.47 101.8 7.25 8.4
Middle 13.5 24.5 30.1 8.01 48.2 3.39 15.7 11.4 0.001 0.43
24.5 30.0 8.00 47.7 3.36 15.6
Bottom 26 24.0 30.7 7.93 35.9 2.53 2.60 24.9 19.6 <0.001 0.24
24.0 30.6 7.93 37.8 2.67 25.0
Other Observations: Nil
SR2 10:08 Surface 1 28.2 18.8 8.52 114.7 8.06 7.11 3.5 11.9 11.8 10.4 0.003 0.002 0.37 0.45
28.2 18.7 8.53 118.3 8.34 3.4
Middle 6 26.9 21.6 8.43 86.7 6.16 4.2 9.0 0.002 0.48
26.8 21.6 8.42 82.9 5.89 4.1
Bottom 11 24.7 30.0 8.00 46.5 3.26 3.17 28.2 10.4 0.001 0.50
24.7 29.9 8.00 44.2 3.08 28.0
Other Observations: Nil
SR3 09:35 Surface 1 28.6 18.3 8.71 134.1 9.38 7.42 15.8 22.0 8.6 10.6 N.A. N.A. N.A. N.A.
28.6 18.3 8.72 134.8 9.44 15.8
Middle 5 26.8 23.2 8.44 77.0 5.40 21.2 10.4 N.A. N.A.
26.7 23.2 8.42 77.3 5.45 20.9
Bottom 8.5 25.6 28.1 8.12 49.4 3.45 3.41 29.4 12.8 N.A. N.A.
25.6 28.2 8.11 48.2 3.37 29.0
Other Observations: Nil
SR4 09:15 Surface 1 28.1 18.6 8.43 129.2 9.11 7.97 5.5 10.7 10.8 15.1 <0.001 0.001* 0.33 0.33
29.1 18.5 8.45 133.6 9.41 5.3
Middle 4 27.6 21.7 8.50 97.9 6.86 6.9 18.2 0.001 0.31
27.6 21.7 8.49 92.7 6.50 6.9
Bottom 6.5 26.4 26.0 8.20 66.3 4.64 4.44 19.5 16.4 0.001 0.36
26.4 26.0 8.19 60.8 4.24 19.9
Other Observations: Nil
SR5 09:00 Surface 1 28.2 18.0 8.71 136.1 9.61 7.84 5.9 10.0 12.3 20.3 0.001 0.001 0.29 0.28
28.2 18.0 8.73 136.2 9.63 5.7
Middle 5 26.8 21.7 8.34 86.2 6.09 4.3 14.2 0.001 0.36
26.9 21.8 8.33 85.3 6.01 4.5
Bottom 8.5 25.7 28.4 8.17 54.9 3.83 3.86 19.7 34.4 0.002 0.20
27.7 28.4 8.15 55.3 3.88 19.9
Other Observations: Nil
SR6 08:47 Surface 1 28.3 18.4 8.65 137.9 9.72 8.44 4.5 7.5 10.0 10.7 <0.001 0.001* 0.29 0.35
28.3 18.3 8.68 141.4 9.94 4.5
Middle 6 27.3 20.8 8.56 102.3 7.22 7.6 11.8 0.002 0.32
27.3 20.9 8.55 97.0 6.86 7.5
Bottom 10.5 24.4 30.8 8.08 43.7 3.08 3.10 10.4 10.2 0.001 0.43
24.3 30.8 8.06 44.4 3.12 10.4
Other Observations: Nil
SR7 08:37 Surface 1 28.2 18.8 8.57 134.4 9.44 7.10 7.6 15.4 8.6 7.9 0.001 0.001* 0.35 0.28
28.2 18.7 8.58 135.9 9.54 7.4
Middle 11.5 26.3 29.6 8.15 71.1 4.86 18.2 8.8 <0.001 0.35
26.3 29.6 8.12 66.6 4.56 17.8
Bottom 21.5 23.3 31.4 7.96 43.4 3.11 3.14 20.6 6.2 <0.001 0.15
23.3 31.3 7.95 44.1 3.16 20.7
Other Observations: Nil
C1 07:05 Surface 1 26.7 20.6 8.24 126.4 9.01 7.46 5.0 15.3 4.0 6.9 0.002 0.001 0.47 0.39
26.7 20.7 8.25 124.2 8.86 5.0
Middle 13.5 24.0 28.7 8.01 85.7 6.09 10.5 7.8 0.001 0.49
24.1 28.7 8.01 83.0 5.89 10.5
Bottom 25.5 23.1 31.3 7.95 61.3 4.39 4.50 30.5 8.8 0.001 0.21
23.1 31.3 7.94 64.3 4.60 30.5
Other Observations: Nil
C2 07:18 Surface 1 26.9 19.0 8.29 121.5 8.69 7.70 3.4 4.5 4.6 6.1 0.003 0.002 0.55 0.52
26.9 19.0 8.30 120.2 8.62 3.4
Middle 7 26.4 21.9 8.27 87.2 6.93 4.4 6.0 0.002 0.51
26.4 21.9 8.26 82.2 6.57 4.4
Bottom 13 25.6 26.2 8.15 71.6 5.07 5.11 5.7 7.6 0.002 0.50
25.6 26.1 8.15 72.6 5.14 5.7
Other Observations: Nil
C3 07:38 Surface 1 27.8 18.6 8.51 136.7 9.68 8.15 3.9 8.5 6.5 10.2 0.003 0.002 0.44 0.41
27.8 18.6 8.55 139.2 9.30 3.9
Middle 5 26.7 20.5 8.34 98.0 7.00 5.1 19.0 0.002 0.39
26.7 20.5 8.33 92.6 6.63 5.1
Bottom 8.5 25.7 28.9 8.13 61.6 4.29 4.22 16.6 5.0 0.002 0.41
25.7 28.7 8.12 59.5 4.15 16.6
Other Observations: Nil
C4 08:00 Surface 1 27.6 18.5 8.37 134.3 9.54 7.72 3.0 5.6 5.8 5.1 <0.001 0.001* 0.39 0.43
27.6 18.5 8.38 135.0 9.59 3.0
Middle 7 26.5 25.1 8.29 86.9 6.11 4.3 6.2 0.002 0.47
26.5 25.5 8.28 80.0 5.62 4.3
Bottom 12.5 24.5 30.8 8.01 50.3 3.40 3.23 9.5 3.4 0.001 0.43
24.5 30.9 7.99 43.5 3.06 9.5
Other Observations: Nil
C5 08:25 Surface 1 27.9 17.8 8.55 143.3 10.25 7.09 4.4 4.1 11.4 9.5 0.001 0.001* 0.38 0.32
27.9 17.7 8.58 146.7 10.40 4.4
Middle 12 25.7 30.6 8.04 56.6 3.88 3.3 10.2 <0.001 0.44
25.7 30.5 8.03 56.0 3.84 3.3
Bottom 22.5 23.2 31.4 7.99 41.0 2.93 2.87 4.7 7.0 <0.001 0.14
23.2 31.5 7.98 40.8 2.81 4.7
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 23/7/2001  
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 16:35 Surface 1 26.7 20.9 8.30 101.9 7.26 6.75 6.1 11.9 13.6 14.9 <0.001 0.002* 0.44 0.44
26.7 20.9 8.31 103.7 7.39 6.0
Middle 13.5 26.4 21.6 8.22 87.6 6.26 5.3 8.0 0.001 0.50
26.4 21.6 8.21 85.1 6.07 5.2
Bottom 26 25.6 25.3 8.18 54.0 5.70 5.71 24.2 23.2 0.003 0.37
25.6 25.3 8.17 54.2 5.72 24.4
Other Observations: Nil
SR2 16:22 Surface 1 27.0 20.6 8.28 104.9 7.46 7.09 6.6 5.5 7.5 10.4 <0.001 0.001* 0.43 0.43
26.9 20.6 8.29 106.3 7.55 6.7
Middle 5.5 26.5 21.7 8.24 96.1 6.85 4.7 11.1 <0.001 0.44
26.5 21.7 8.24 91.0 6.50 5.0
Bottom 9.5 26.2 22.3 8.18 75.3 5.64 5.52 4.8 12.5 0.001 0.43
26.2 22.3 8.19 74.8 5.40 4.9
Other Observations: Nil
SR3 15:49 Surface 1 29.4 18.8 8.68 124.7 8.59 8.39 4.2 4.7 8.1 9.5 N.A. N.A. N.A. N.A.
29.3 18.8 8.69 129.9 8.97 4.4
Middle 4.5 29.0 19.2 8.77 116.2 8.05 6.3 10.5 N.A. N.A.
29.0 19.1 8.76 119.5 7.95 6.2
Bottom 7.5 28.3 19.9 8.63 101.5 7.02 7.01 3.6 9.9 N.A. N.A.
28.3 20.0 8.62 101.0 6.99 3.5
Other Observations: 2 dredgers at app 100m
SR4 15:24 Surface 1 29.8 18.0 8.73 143.0 9.82 8.67 2.0 5.2 8.7 12.2 <0.001 <0.001 0.28 0.29
29.8 18.0 8.74 146.1 10.03 1.9
Middle 3.5 27.7 20.8 8.53 106.2 7.46 6.1 17.3 <0.001 0.25
27.7 20.7 8.52 104.9 7.36 6.3
Bottom 6 27.0 22.7 8.25 73.8 5.19 5.04 7.2 10.7 <0.001 0.35
27.0 22.7 8.24 69.4 4.88 7.4
Other Observations: Nil
SR5 15:11 Surface 1 29.8 18.3 8.77 148.2 10.15 8.25 4.3 11.3 9.4 10.2 <0.001 <0.001 0.29 0.32
29.8 18.2 8.78 144.0 9.86 4.2
Middle 4 27.1 22.4 8.53 94.3 6.64 4.0 9.9 <0.001 0.35
27.1 22.4 8.54 89.9 6.33 4.1
Bottom 7 26.1 25.0 8.20 56.5 3.97 3.98 25.4 11.3 <0.001 0.33
26.1 25.0 8.19 59.3 3.99 25.6
Other Observations: Nil
SR6 14:54 Surface 1 28.0 19.5 8.84 139.7 9.84 7.76 30.2 16.0 9.5 12.8 <0.001 <0.001 0.29 0.30
28.0 19.5 8.87 141.7 9.97 30.3
Middle 5.5 27.5 23.0 8.38 81.6 5.70 13.0 12.3 <0.001 0.27
27.5 24.4 8.37 78.8 5.51 12.7
Bottom 9.5 26.8 22.9 8.05 71.2 5.00 5.08 5.0 16.7 <0.001 0.33
26.8 22.9 8.05 73.3 5.15 5.0
Other Observations: Nil
SR7 14:37 Surface 1 29.1 18.6 8.85 151.8 10.54 7.16 21.2 16.1 9.7 10.4 <0.001 <0.001 0.29 0.28
29.0 18.6 8.85 159.6 11.06 21.4
Middle 11 25.5 29.7 8.05 53.1 3.68 16.8 7.9 <0.001 0.36
25.5 29.7 8.04 48.6 3.37 16.6
Bottom 21 25.1 30.6 7.94 48.5 3.40 3.41 10.1 13.7 <0.001 0.20
25.0 30.6 7.93 48.9 3.42 10.4
Other Observations: Nil
C1 13:00 Surface 1 28.7 21.4 8.49 90.5 6.36 5.08 7.6 11.0 13.7 18.2 <0.001 0.001* 0.38 0.30
28.7 21.3 8.49 95.7 6.73 7.8
Middle 5 26.2 27.4 8.04 49.1 3.49 14.3 18.9 0.001 0.28
26.2 27.4 8.04 52.4 3.73 14.0
Bottom 9 25.4 28.0 8.06 48.5 3.44 3.43 11.1 21.9 0.001 0.24
25.4 28.1 8.06 48.2 3.42 11.2
Other Observations: Nil
C2 13:15 Surface 1 27.2 21.3 8.37 111.4 7.85 5.51 5.0 9.2 10.0 11.7 <0.001 0.001* 0.35 0.32
27.2 21.3 8.38 103.5 7.30 4.9
Middle 6.5 24.7 27.4 8.07 48.4 3.44 12.1 10.8 <0.001 0.34
24.7 27.4 8.06 48.5 3.46 12.2
Bottom 12 24.4 28.4 8.11 49.9 3.62 3.63 10.5 14.4 0.001 0.28
24.3 28.4 8.11 50.7 3.63 10.5
Other Observations: Nil
C3 13:35 Surface 1 27.3 19.2 8.59 169.0 11.62 8.94 3.8 10.7 6.3 7.6 <0.001 <0.001 0.32 0.39
27.3 19.2 8.59 168.9 11.73 3.9
Middle 12 24.7 21.1 7.83 86.8 6.23 9.7 8.8 <0.001 0.45
24.7 21.1 7.83 86.1 6.18 9.2
Bottom 23 24.6 28.4 7.71 58.3 4.05 4.08 18.9 7.6 <0.001 0.41
24.6 28.4 7.70 59.1 4.10 18.7
Other Observations: Nil
C4 13:55 Surface 1 28.2 19.5 8.64 157.0 10.77 8.49 17.5 13.5 9.4 7.8 <0.001 <0.001 0.33 0.39
28.2 19.5 8.64 150.9 10.70 18.1
Middle 5.5 26.5 21.4 8.08 88.3 6.29 15.4 8.0 <0.001 0.49
26.5 21.4 8.07 86.9 6.19 15.4
Bottom 9.5 24.8 30.5 7.81 45.6 3.19 3.13 7.1 6.0 <0.001 0.34
24.8 30.5 7.81 43.8 3.06 7.2
Other Observations: Nil
C5 14:17 Surface 1 28.2 19.0 8.70 144.6 10.80 6.95 21.6 13.2 9.0 19.3 <0.001 <0.001 0.31 0.23
28.2 19.0 8.69 143.2 10.07 21.4
Middle 11.5 25.5 29.9 7.97 49.6 3.41 12.4 22.2 <0.001 0.25
25.5 29.9 7.97 50.6 3.50 12.1
Bottom 21.5 23.5 31.3 7.87 38.4 2.72 2.71 5.9 26.6 <0.001 0.12
23.5 31.3 7.87 37.9 2.69 6.0
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.