Date: 19/5/2001  
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 17:53 Surface 1 25.9 30.9 8.24 85.8 5.85 5.74 8.5 17.9 9.1 11.2 0.004 0.003 0.26 0.15
26.0 30.6 8.25 89.0 6.04 7.8
Middle 13 25.3 34.5 8.23 82.0 5.54 18.2 9.9 0.002 0.11
25.3 34.6 8.23 81.8 5.52 18.2
Bottom 25 25.3 34.7 8.22 82.9 5.60 5.58 27.2 14.5 0.002 0.07
25.3 34.4 8.23 82.2 5.56 27.2
Other Observations: travelling of 1 no. container vessel
SR2 17:43 Surface 1 25.9 31.2 8.23 90.0 6.01 6.01 6.3 10.2 11.3 11.0 0.004 0.003 0.26 0.19
26.0 31.1 8.24 90.0 6.01 5.6
Middle 5.5 25.6 33.8 8.22 90.0 6.01 10.7 8.5 0.003 0.22
25.6 33.8 8.22 90.0 6.01 11.2
Bottom 10 25.4 34.4 8.21 90.0 6.01 6.01 13.8 13.1 0.003 0.08
25.4 34.4 8.21 90.0 6.01 13.4
Other Observations: Nil
SR3 17:13 Surface 1 26.5 32.8 8.27 92.5 6.19 6.19 6.7 9.7 13.1 11.1 N.A. N.A. N.A. N.A.
26.5 32.9 8.27 92.6 6.19 6.8
Middle 4 25.4 32.8 8.27 92.4 6.19 9.7 9.7 N.A. N.A.
26.4 32.9 8.27 92.5 6.19 9.3
Bottom 7 26.4 33.0 8.28 93.7 6.27 6.25 13.4 10.5 N.A. N.A.
26.4 34.0 8.27 93.1 6.23 12.1
Other Observations: 1 no. dredger at 100 m
SR4 16:50 Surface 1 26.5 32.7 8.28 94.0 6.29 6.30 5.5 5.9 9.7 9.9 0.003 0.003 0.14 0.14
26.5 32.6 8.27 94.0 6.29 5.5
Middle 3.5 26.5 32.8 8.27 94.3 6.31 5.9 9.9 0.003 0.14
26.5 32.7 8.27 94.3 6.31 6.0
Bottom 6 26.5 33.0 8.29 95.4 6.38 6.36 5.8 10.1 0.003 0.13
26.5 33.1 8.27 94.9 6.34 6.6
Other Observations: Nil
SR5 16:39 Surface 1 26.5 31.8 8.27 94.1 6.33 6.32 4.8 6.8 6.5 9.3 0.003 0.003 0.19 0.14
26.6 31.7 8.27 94.7 6.37 4.5
Middle 4 26.1 33.2 8.28 93.4 6.28 7.2 8.1 0.003 0.16
26.1 33.1 8.28 93.7 6.30 8.0
Bottom 7 25.9 33.7 8.29 94.3 6.35 6.33 8.4 13.3 0.002 0.08
25.8 33.8 8.28 93.7 6.31 7.6
Other Observations: Nil
SR6 16:27 Surface 1 26.3 30.5 8.27 93.8 6.37 6.27 3.6 7.2 8.1 7.2 0.004 0.003 0.25 0.16
26.4 30.4 8.27 94.0 6.38 3.9
Middle 5 25.8 33.0 8.28 90.0 6.08 4.2 5.3 0.003 0.17
25.9 32.7 8.28 92.2 6.23 4.3
Bottom 9 25.4 34.2 8.27 90.5 6.11 6.06 12.8 8.1 0.002 0.07
25.4 34.2 8.26 89.3 6.01 14.6
Other Observations: Nil
SR7 16:15 Surface 1 26.2 31.1 8.27 95.6 6.48 6.25 5.8 10.5 13.1 10.5 0.004 0.002 0.25 0.12
26.3 30.9 8.27 95.6 6.49 4.7
Middle 11 25.3 34.3 8.24 89.3 6.01 11.6 7.1 0.001 0.06
25.3 34.4 8.24 89.1 6.01 11.4
Bottom 21 25.2 34.6 8.22 89.0 6.01 6.01 14.6 11.2 0.001 0.04
25.2 34.1 8.22 89.0 6.01 14.8
Other Observations: Nil
C1 14:27 Surface 1 25.7 32.0 8.16 86.5 5.89 5.89 6.1 6.4 12.2 11.4 0.004 0.003 0.25 0.18
25.7 32.0 8.16 85.9 5.85 6.1
Middle 11.5 25.5 34.0 8.19 86.5 5.85 6.5 9.8 0.004 0.22
25.5 33.9 8.19 88.7 5.97 6.5
Bottom 22 25.4 34.1 8.17 84.8 5.73 5.70 6.7 12.2 0.002 0.08
25.3 34.1 8.17 83.7 5.67 6.7
Other Observations: Nil
C2 14:44 Surface 1 25.9 29.8 8.21 84.9 5.83 5.73 5.3 10.5 6.6 10.6 0.005 0.005 0.36 0.31
25.9 29.6 8.22 86.1 5.91 5.3
Middle 6.5 25.6 32.5 8.19 81.5 5.54 12.8 9.8 0.005 0.36
25.6 32.4 8.20 82.7 5.62 12.8
Bottom 12 25.6 32.7 8.19 80.8 5.49 5.46 13.5 15.4 0.004 0.22
25.6 32.9 8.19 79.8 5.42 13.5
Other Observations: Nil
C3 15:07 Surface 1 26.1 29.6 8.23 91.0 6.24 6.03 7.4 7.6 11.0 12.5 0.004 0.004 0.35 0.32
26.1 29.6 8.23 91.1 6.24 7.4
Middle 4.5 25.6 31.6 8.20 84.4 5.76 7.6 13.4 0.004 0.35
25.6 31.5 8.21 85.8 5.86 7.6
Bottom 8 25.6 33.1 8.20 86.1 5.90 5.81 7.9 13.2 0.003 0.26
25.6 33.1 8.19 84.2 5.71 7.9
Other Observations: Nil
C4 15:28 Surface 1 26.1 29.4 8.25 91.7 6.28 6.30 4.0 4.0 6.4 9.4 0.004 0.004 0.34 0.28
26.2 29.3 8.24 91.8 6.30 4.0
Middle 6.5 25.5 34.0 8.28 93.7 6.32 3.0 10.4 0.004 0.32
25.5 33.9 8.28 93.1 6.28 3.0
Bottom 12 25.6 34.1 8.28 93.2 6.28 6.28 4.9 11.4 0.003 0.18
25.6 34.1 8.28 93.1 6.28 4.9
Other Observations: Nil
C5 15:59 Surface 1 26.5 31.8 8.27 96.3 6.45 6.27 3.3 6.1 9.2 10.1 0.002 0.001 0.18 0.12
26.6 31.8 8.27 97.9 6.58 3.3
Middle 11 25.3 33.9 8.25 88.7 6.01 3.6 8.6 0.001 0.08
25.3 34.5 8.24 89.2 6.04 3.6
Bottom 21 25.2 34.2 8.23 88.5 6.00 5.98 11.3 12.6 0.001 0.11
25.2 34.2 8.23 87.6 5.95 11.3
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 19/5/2001  
Weather: Overcast
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 12:50 Surface 1 26.1 30.4 8.28 96.1 6.55 6.29 5.6 12.4 7.2 10.1 0.004 0.003 0.29 0.19
26.1 30.5 8.26 96.3 6.57 5.7
Middle 13 25.3 33.8 8.23 90.3 6.02 16.2 8.6 0.003 0.18
25.3 33.7 8.23 90.3 6.02 16.0
Bottom 25 25.3 34.1 8.22 89.8 6.01 6.02 15.4 14.4 0.003 0.10
25.3 34.0 8.22 89.9 6.02 15.3
Other Observations: Nil
SR2 12:37 Surface 1 26.3 29.9 8.24 94.1 6.43 6.44 4.4 5.4 5.2 8.4 0.004 0.005 0.31 0.31
26.3 29.9 8.24 95.5 6.51 4.3
Middle 5.5 25.8 30.9 8.23 93.9 6.42 6.4 8.9 0.006 0.31
25.8 30.8 8.23 93.3 6.38 6.5
Bottom 9.5 25.9 31.2 8.26 95.8 6.52 6.50 5.6 11.1 0.006 0.31
25.9 31.4 8.25 95.0 6.47 4.9
Other Observations: Nil
SR3 12:15 Surface 1 25.9 33.6 8.27 93.7 6.30 6.33 15.2 22.5 11.7 15.4 N.A. N.A. N.A. N.A.
26.0 33.4 8.27 93.9 6.31 14.0
Middle 3.5 25.9 33.9 8.27 94.7 6.36 20.3 16.9 N.A. N.A.
25.9 33.8 8.27 94.5 6.35 17.3
Bottom 6 25.9 34.1 8.30 96.2 6.46 6.44 33.8 17.5 N.A. N.A.
25.8 34.2 8.28 95.7 6.42 34.1
Other Observations: no dredgers were in operation
SR4 11:37 Surface 1 26.1 33.2 8.27 92.4 6.18 6.15 8.2 10.4 8.5 10.4 0.002 0.002 0.08 0.06
26.1 33.3 8.27 93.8 6.28 8.3
Middle 3.5 25.5 33.7 8.26 89.3 6.04 11.8 10.9 0.002 0.06
25.5 33.8 8.27 90.4 6.11 11.9
Bottom 6 25.5 33.9 8.26 90.6 6.12 6.10 11.2 11.7 0.002 0.04
25.5 34.0 8.26 89.8 6.07 11.1
Other Observations: Nil
SR5 11:24 Surface 1 25.7 33.9 8.26 96.4 6.50 6.45 8.0 8.8 11.3 11.3 0.003 0.003 0.05 0.10
25.8 33.8 8.26 95.7 6.44 8.7
Middle 4 25.5 34.1 8.27 95.2 6.43 9.2 10.7 0.004 0.21
25.5 34.2 8.28 95.5 6.44 9.3
Bottom 6.5 25.7 34.2 8.32 97.9 6.56 6.63 9.4 11.9 0.002 0.04
25.6 34.4 8.30 99.5 6.70 8.4
Other Observations: Nil
SR6 11:13 Surface 1 25.9 33.4 8.26 98.6 6.64 6.68 3.9 6.9 8.9 9.9 0.004 0.003 0.06 0.06
25.9 33.4 8.26 99.0 6.66 3.6
Middle 5.5 25.6 34.0 8.27 99.9 6.74 5.3 7.7 0.003 0.06
25.6 34.0 8.27 98.8 6.66 4.4
Bottom 9.5 25.6 34.4 8.29 99.8 6.71 6.73 11.7 13.1 0.003 0.07
25.5 34.5 8.28 100.1 6.74 12.5
Other Observations: Nil
SR7 10:58 Surface 1 25.9 33.0 8.28 101.8 6.87 6.79 3.1 3.8 5.3 9.4 0.003 0.003 0.11 0.07
26.0 33.1 8.28 102.3 6.89 2.9
Middle 11 25.5 34.6 8.29 99.0 6.67 3.5 10.1 0.003 0.08
25.5 34.6 8.29 99.8 6.72 3.3
Bottom 21 25.4 34.3 8.28 98.5 6.65 6.63 5.1 12.7 0.002 0.03
25.4 34.3 8.28 97.7 6.60 4.9
Other Observations: Nil
C1 09:15 Surface 1 25.6 31.6 8.24 86.1 5.88 5.79 4.0 6.3 9.5 13.0 0.007 0.006 0.24 0.18
25.6 31.6 8.24 85.9 5.87 4.0
Middle 12.5 25.4 34.0 8.26 84.4 5.70 7.6 14.9 0.006 0.20
25.4 34.1 8.26 84.6 5.71 7.1
Bottom 24 25.3 34.0 8.22 79.1 5.36 5.35 7.5 14.5 0.004 0.09
25.3 34.0 8.22 78.8 5.34 7.7
Other Observations: Nil
C2 09:32 Surface 1 25.6 31.2 8.27 84.3 5.77 5.71 5.6 5.7 14.5 11.5 0.007 0.006 0.30 0.22
25.6 30.9 8.26 84.4 5.78 5.6
Middle 6.5 25.6 32.8 8.27 82.3 5.59 4.8 11.5 0.006 0.23
25.6 32.9 8.27 84.0 5.70 4.7
Bottom 12 25.6 33.6 8.26 81.1 5.48 5.44 6.6 8.5 0.006 0.13
25.6 33.7 8.25 79.9 5.40 7.0
Other Observations: Nil
C3 09:53 Surface 1 25.9 28.7 8.27 82.4 5.69 5.60 3.6 4.7 6.5 7.6 0.007 0.008 0.42 0.35
25.9 25.6 8.27 83.8 5.83 3.6
Middle 4.5 25.6 32.0 8.23 79.2 5.40 5.3 7.3 0.008 0.34
25.6 31.9 8.23 80.1 5.47 5.6
Bottom 8 25.5 33.2 8.25 79.1 5.36 5.35 5.1 8.9 0.008 0.30
25.5 33.3 8.25 78.5 5.33 5.1
Other Observations: Nil
C4 10:12 Surface 1 25.9 30.9 8.27 101.8 6.95 6.92 3.6 4.9 5.1 7.2 0.006 0.005 0.33 0.23
25.9 30.9 8.27 102.7 7.01 3.4
Middle 6.5 25.7 32.7 8.26 101.7 6.90 4.9 8.5 0.005 0.21
25.7 34.5 8.26 100.2 6.81 4.5
Bottom 11.5 25.6 34.7 8.30 103.9 6.98 7.00 6.3 8.1 0.005 0.15
25.6 34.6 8.30 104.5 7.02 6.4
Other Observations: Nil
C5 10:41 Surface 1 25.8 33.2 8.31 104.9 7.09 6.82 1.4 4.8 13.3 7.2 0.002 0.001 0.07 0.04
25.8 33.3 8.32 108.2 7.31 1.3
Middle 11.5 25.2 34.5 8.25 95.2 6.44 4.1 3.5 0.001 0.02
25.2 34.6 8.25 94.9 6.42 3.6
Bottom 22 25.2 34.4 8.24 96.1 6.54 6.50 9.1 4.7 0.001 0.03
25.2 34.4 8.24 95.2 6.45 9.3
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.