Date: 30/5/2001  
Weather: Cloudy
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 13:25 Surface 1 27.2 29.2 8.17 86.1 5.80 5.95 5.7 5.4 7.4 10.5 0.003 0.002 0.34 0.23
27.2 29.2 8.17 86.3 5.81 5.6
Middle 13 27.3 30.6 8.27 91.8 6.07 4.4 6.6 0.003 0.20
27.4 31.0 8.27 92.1 6.10 4.2
Bottom 24.5 26.6 32.4 8.18 77.5 5.28 5.25 6.0 17.6 0.001 0.15
26.5 32.1 8.18 76.6 5.21 6.2
Other Observations: Nil
SR2 13:15 Surface 1 27.3 29.2 8.13 86.8 5.85 5.78 1.3 3.3 11.8 10.9 0.003 0.003 0.38 0.27
27.3 29.2 8.13 87.0 5.86 1.4
Middle 6 27.3 29.6 8.14 84.9 5.70 2.5 7.6 0.003 0.33
27.3 29.7 8.15 84.9 5.69 2.6
Bottom 10.5 27.5 31.2 8.29 88.4 5.84 5.84 5.9 13.2 0.002 0.11
27.5 31.4 8.30 88.5 5.84 6.2
Other Observations: Nil
SR3 12:45 Surface 1 28.0 31.2 8.38 107.5 7.08 7.28 2.6 2.7 8.4 9.1 N.A. N.A. N.A. N.A.
28.0 31.2 8.38 107.4 7.07 2.5
Middle 4 27.9 31.3 8.41 113.6 7.47 2.9 11.0 N.A. N.A.
27.9 31.3 8.41 113.7 7.48 2.7
Bottom 7 27.9 31.4 8.40 112.6 7.41 7.41 2.7 8.0 N.A. N.A.
27.9 31.4 8.41 112.7 7.41 2.8
Other Observations: 2 Nos. Dredgers at 50m
SR4 12:25 Surface 1 27.8 31.0 8.38 109.9 7.22 7.29 5.3 4.2 9.2 9.6 <0.001 0.001* 0.06 0.06
27.8 31.0 8.39 110.3 7.23 5.3
Middle 4 27.8 31.0 8.39 110.9 7.35 3.8 9.8 0.001 0.06
27.7 31.0 8.39 110.9 7.35 3.8
Bottom 6.5 27.7 31.4 8.38 107.3 7.13 7.12 3.5 9.8 0.001 0.05
27.6 31.5 8.38 107.1 7.11 3.4
Other Observations: Nil
SR5 12:15 Surface 1 27.8 30.9 8.39 111.7 7.36 7.22 9.9 10.8 7.0 7.3 <0.001 0.001* 0.05 0.05
27.8 30.9 8.39 111.9 7.39 9.8
Middle 4 27.6 31.5 8.36 106.5 7.06 8.2 8.2 0.001 0.05
27.6 31.5 8.36 106.1 7.06 8.1
Bottom 7 27.6 31.7 8.35 97.7 6.45 6.45 14.2 6.8 0.001 0.06
27.6 31.7 8.35 97.7 6.45 14.4
Other Observations: Nil
SR6 12:05 Surface 1 27.8 30.7 8.40 113.3 7.43 7.32 6.1 3.9 12.4 11.5 0.001 0.001 0.08 0.08
27.8 30.8 8.40 113.9 7.49 6.3
Middle 6 27.8 31.1 8.39 108.4 7.19 3.8 10.0 0.001 0.07
27.8 31.2 8.39 108.0 7.15 3.7
Bottom 10.5 27.8 31.3 8.38 105.2 6.94 6.94 1.9 12.2 0.002 0.08
27.8 31.4 8.38 105.2 6.94 1.8
Other Observations: Nil
SR7 11:50 Surface 1 27.8 30.7 8.36 116.6 7.67 7.26 3.3 4.2 8.0 9.1 0.001 0.001* 0.09 0.10
27.8 30.8 8.36 116.8 7.69 3.1
Middle 11.5 27.7 31.6 8.36 103.2 6.85 3.7 9.6 <0.001 0.11
27.7 31.6 8.36 102.8 6.81 4.0
Bottom 22 26.9 32.1 8.19 79.4 5.41 5.36 5.6 9.8 0.001 0.10
26.8 32.2 8.18 78.0 5.31 5.7
Other Observations: Nil
C1 10:05 Surface 1 27.2 29.3 8.13 87.8 5.95 6.02 2.0 4.3 7.6 10.0 0.004 0.003 0.36 0.24
27.1 29.3 8.13 87.4 5.91 2.0
Middle 13 27.4 31.2 8.29 91.9 6.11 4.8 10.2 0.003 0.17
27.4 31.2 8.29 92.0 6.11 4.8
Bottom 25 26.8 32.0 8.21 82.9 5.58 5.56 6.1 12.2 0.002 0.20
26.7 32.0 8.21 82.6 5.53 6.1
Other Observations: Nil
C2 10:25 Surface 1 27.2 28.8 8.11 83.7 5.67 5.68 3.3 7.2 9.2 7.1 0.004 0.004 0.47 0.41
27.2 28.8 8.11 83.7 5.67 3.3
Middle 6.5 27.1 29.8 8.15 84.6 5.69 2.9 3.8 0.005 0.40
27.1 29.9 8.15 84.7 5.70 2.9
Bottom 12 27.1 26.9 8.06 77.2 5.17 5.18 15.3 8.4 0.004 0.35
27.1 27.0 8.06 77.8 5.18 15.3
Other Observations: Nil
C3 10:45 Surface 1 27.1 28.3 8.09 81.3 5.53 5.41 6.0 7.4 8.8 8.1 0.004 0.005 0.49 0.43
27.1 28.3 8.09 81.3 5.53 6.0
Middle 4.5 27.0 29.6 8.08 77.8 5.31 9.0 7.8 0.004 0.46
27.0 26.6 8.08 77.5 5.28 9.0
Bottom 8 27.4 31.3 8.33 90.3 5.97 5.99 7.2 7.8 0.006 0.33
27.4 31.3 8.33 91.2 6.01 7.2
Other Observations: Nil
C4 11:05 Surface 1 27.3 29.7 8.18 89.1 5.98 6.44 2.1 2.0 7.6 7.8 0.003 0.003 0.36 0.28
27.3 29.7 8.18 88.9 5.97 2.1
Middle 6.5 27.6 30.8 8.35 104.6 6.89 1.9 8.4 0.003 0.22
27.6 30.9 8.35 105.0 6.93 1.9
Bottom 12 27.7 31.8 8.39 99.5 6.58 6.56 2.0 7.4 0.003 0.26
27.7 31.9 8.39 99.0 6.54 2.0
Other Observations: Nil
C5 11:35 Surface 1 27.9 31.1 8.36 115.3 7.55 7.40 1.0 1.2 13.0 10.7 <0.001 0.001* 0.06 0.07
27.9 31.2 8.38 115.5 7.58 1.0
Middle 11.5 27.8 31.5 8.37 109.5 7.24 1.5 10.8 0.001 0.07
27.8 31.6 8.37 109.2 7.24 1.5
Bottom 22 27.6 31.7 8.35 98.7 6.61 6.59 1.2 8.4 0.001 0.08
27.6 31.8 8.35 98.7 6.56 1.2
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 30/5/2001  
Weather: Rainy
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 18:50 Surface 1 27.1 29.4 8.07 84.9 5.66 5.78 3.6 5.6 6.2 7.5 0.004 0.004 0.42 0.40
27.1 29.4 8.08 85.0 5.64 3.7
Middle 12.5 27.2 30.3 8.21 88.6 5.89 5.8 9.8 0.005 0.43
27.2 30.4 8.21 88.7 5.92 5.9
Bottom 24 27.0 31.2 8.12 92.0 6.21 6.20 7.2 6.6 0.003 0.35
27.0 31.2 8.13 92.0 6.19 7.4
Other Observations: Nil
SR2 18:35 Surface 1 26.8 29.2 8.09 83.4 5.64 5.68 2.4 3.1 16.8 13.4 <0.001 0.003* 0.38 0.32
26.9 29.2 8.09 83.5 5.65 2.3
Middle 5.5 27.3 29.4 8.16 85.0 5.70 1.8 5.1 0.004 0.42
27.3 29.4 8.16 85.0 5.72 2.0
Bottom 10 27.5 30.9 8.31 89.1 5.88 5.89 4.6 18.3 0.004 0.15
27.6 31.0 8.32 89.2 5.89 5.2
Other Observations: Nil
SR3 18:17 Surface 1 27.9 31.2 8.34 101.2 6.65 6.84 3.9 4.8 8.9 10.4 N.A. N.A. N.A. N.A.
28.0 31.2 8.34 102.4 6.69 4.1
Middle 4 28.3 30.8 8.39 107.1 7.01 6.3 9.7 N.A. N.A.
28.3 30.9 8.40 107.2 7.02 6.0
Bottom 6.5 28.2 31.1 8.40 107.3 7.03 7.04 4.2 12.7 N.A. N.A.
28.2 31.1 8.40 107.5 7.05 4.5
Other Observations: 4 nos. Dredger
SR4 17:55 Surface 1 27.8 31.1 8.45 117.9 7.77 7.77 9.5 5.2 7.3 6.6 0.001 0.001 0.05 0.05
27.8 31.1 8.46 118.1 7.78 9.1
Middle 3.5 28.0 31.3 8.45 118.2 7.78 4.5 4.9 0.001 0.05
28.0 31.4 8.45 118.1 7.76 4.3
Bottom 6 28.0 31.8 8.43 114.3 7.52 7.52 1.8 7.5 0.001 0.05
28.0 31.8 8.43 114.3 7.52 2.1
Other Observations: Nil
SR5 17:45 Surface 1 27.9 31.4 8.45 110.8 7.24 7.19 1.0 2.5 7.9 8.8 0.002 0.002 0.10 0.10
27.9 31.4 8.45 111.9 7.31 1.0
Middle 4 27.8 31.4 8.42 107.3 7.13 2.1 8.7 0.003 0.11
27.8 31.4 8.42 106.9 7.09 1.9
Bottom 6.5 27.7 31.2 8.39 114.7 7.56 7.56 4.5 9.9 0.002 0.09
27.7 31.2 8.40 114.6 7.56 4.7
Other Observations: Nil
SR6 17:33 Surface 1 27.6 30.7 8.37 108.5 7.17 7.12 4.9 3.6 7.7 7.6 0.001 0.002 0.11 0.11
27.6 30.7 8.37 108.8 7.17 4.9
Middle 5.5 27.7 31.2 8.40 106.5 7.07 3.3 5.5 0.003 0.11
27.7 31.3 8.40 106.2 7.05 3.5
Bottom 10 27.9 31.5 8.44 114.0 7.47 7.48 2.4 9.7 0.002 0.10
27.9 31.5 8.45 114.2 7.49 2.4
Other Observations: Nil
SR7 17:18 Surface 1 27.6 30.6 8.38 108.6 7.20 6.85 2.6 2.1 8.9 10.4 0.001 0.001 0.10 0.09
27.6 30.6 8.38 108.9 7.21 2.3
Middle 11 27.7 31.7 8.41 98.6 6.50 1.5 8.7 0.002 0.10
27.7 31.7 8.41 98.2 6.49 1.8
Bottom 21 27.2 31.7 8.26 79.9 5.49 5.48 2.3 13.7 0.001 0.07
27.0 31.8 8.24 79.4 5.46 2.3
Other Observations: Nil
C1 15:30 Surface 1 27.3 29.6 8.18 91.7 6.18 6.18 2.2 2.3 5.3 5.3 0.004 0.003 0.30 0.26
27.3 29.6 8.18 91.7 6.17 2.2
Middle 12.5 27.3 30.3 8.25 93.0 6.19 2.3 5.5 0.004 0.30
27.4 30.4 8.26 93.1 6.19 2.2
Bottom 24 27.7 31.6 8.26 89.1 5.96 5.95 2.5 5.1 0.002 0.17
27.1 31.6 8.26 88.7 5.93 2.5
Other Observations: Nil
C2 15:50 Surface 1 27.2 29.1 8.11 86.1 5.83 5.80 5.5 5.5 7.6 8.8 0.004 0.005 0.45 0.41
27.2 29.1 8.11 86.6 5.84 5.6
Middle 6 27.3 29.9 8.18 86.2 5.77 7.2 8.2 0.005 0.45
27.3 30.0 8.18 86.2 5.76 6.8
Bottom 11 27.4 31.5 8.28 90.2 5.95 5.96 3.8 10.6 0.005 0.32
27.4 31.5 8.29 90.4 5.96 3.8
Other Observations: Nil
C3 16:15 Surface 1 27.2 28.3 8.11 84.2 5.74 5.56 3.1 3.5 8.2 13.5 0.004 0.004 0.47 0.34
27.2 28.3 8.11 84.0 5.69 3.1
Middle 4.5 27.1 28.6 8.10 79.2 5.41 3.5 9.4 0.004 0.45
27.1 28.7 8.10 79.0 5.40 3.5
Bottom 7.5 27.4 30.0 8.31 90.5 5.88 5.92 4.0 23.0 0.003 0.11
27.4 30.4 8.32 90.5 5.95 4.0
Other Observations: Nil
C4 16:35 Surface 1 27.1 29.0 8.18 90.3 5.92 5.99 3.6 2.7 8.2 18.3 0.005 0.005 0.48 0.36
27.2 29.0 8.17 90.4 5.93 3.5
Middle 6.5 27.2 30.4 8.34 92.8 6.04 2.8 10.6 0.007 0.47
27.2 30.6 8.35 93.0 6.08 2.7
Bottom 11.5 27.3 31.6 8.39 94.0 6.14 6.15 1.9 36.2 0.003 0.12
27.3 31.7 8.38 94.4 6.16 1.8
Other Observations: Nil
C5 17:00 Surface 1 27.9 32.8 8.24 105.5 7.04 6.95 3.6 2.7 9.4 8.3 0.001 0.001 0.11 0.10
27.9 32.6 8.26 105.7 7.05 3.4
Middle 11.5 27.8 31.7 8.27 98.9 6.88 2.7 6.0 0.001 0.10
27.8 31.7 8.29 99.2 6.84 2.6
Bottom 21.5 27.7 32.0 8.31 90.1 6.03 6.04 1.9 9.6 0.002 0.08
27.7 32.0 8.32 90.3 6.05 1.8
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.