Date: 20/8/2001  
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 10:35 Surface 1 29.2 29.4 8.12 90.9 6.35 6.16 3.6 6.5 11.6 10.9 0.001 0.001* 0.10 0.11
29.2 29.5 8.13 91.2 6.36 3.8
Middle 13.5 27.8 31.4 8.01 80.8 5.96 4.8 7.0 0.001 0.12
27.8 31.4 8.00 80.9 5.97 5.1
Bottom 26 25.9 32.6 7.73 75.0 5.38 5.39 10.9 14.2 <0.001 0.13
25.9 32.6 7.72 74.9 5.40 10.9
Other Observations: Nil
SR2 10:20 Surface 1 28.7 29.0 8.07 100.0 6.98 6.69 5.5 5.8 16.4 9.9 0.001 0.001* 0.14 0.15
28.6 29.0 8.07 99.7 6.96 5.4
Middle 6.5 28.0 30.2 7.97 91.1 6.43 4.7 6.2 0.001 0.18
28.0 30.2 7.97 90.3 6.37 4.6
Bottom 11.5 27.1 32.4 7.89 82.0 6.02 6.04 7.1 7.2 <0.001 0.13
27.0 32.5 7.89 82.4 6.06 7.2
Other Observations: Nil
SR3 09:50 Surface 1 28.9 29.9 8.10 87.6 6.38 6.05 4.9 7.0 10.0 12.1 N.A. N.A. N.A. N.A.
28.9 29.7 8.11 87.7 6.35 4.8
Middle 5 28.9 29.8 8.17 80.1 5.73 4.1 9.6 N.A. N.A.
28.9 29.8 8.17 80.0 5.72 4.1
Bottom 8.5 28.7 30.2 8.11 76.6 5.45 5.44 12.0 16.6 N.A. N.A.
28.6 30.5 8.10 76.3 5.42 12.1
Other Observations: 4 Dredgers at app 100m
SR4 09:25 Surface 1 29.0 28.8 8.16 95.6 6.74 6.46 8.1 8.5 5.4 11.7 0.001 0.002 0.07 0.07
29.0 28.8 8.17 95.8 6.76 8.1
Middle 4 29.0 28.7 8.21 84.7 6.15 7.2 10.0 0.001 0.06
29.0 28.8 8.21 84.8 6.18 7.2
Bottom 6.5 28.8 29.2 8.17 78.5 5.62 5.62 10.2 19.6 0.003 0.10
28.8 29.4 8.17 78.3 5.61 10.2
Other Observations: Nil
SR5 09:15 Surface 1 28.7 29.2 8.10 84.8 6.30 5.92 6.7 8.2 9.6 9.6 0.002 0.001 0.08 0.07
28.8 29.2 8.11 84.7 6.22 6.8
Middle 5 28.6 29.3 8.14 81.5 5.58 4.7 9.0 0.001 0.06
28.5 29.3 8.13 80.6 5.56 4.7
Bottom 8.5 28.2 30.2 8.09 74.8 5.31 5.30 12.9 10.2 0.001 0.08
28.2 30.2 8.09 74.0 5.28 13.2
Other Observations: Nil
SR6 09:05 Surface 1 28.7 29.6 8.11 88.8 6.33 6.06 3.4 9.5 6.6 8.1 0.001 0.001 0.05 0.07
28.7 29.5 8.11 88.9 6.34 3.3
Middle 6.5 28.7 30.0 8.18 80.3 5.78 11.2 7.2 0.001 0.07
28.7 30.2 8.18 80.5 5.80 11.1
Bottom 12 26.1 32.8 7.85 78.3 5.60 5.58 14.1 10.6 0.001 0.09
26.0 32.9 7.84 78.0 5.56 13.9
Other Observations: Nil
SR7 08:50 Surface 1 29.2 29.3 8.25 98.1 6.87 6.60 0.7 5.4 13.2 14.6 0.001 0.001* 0.01 0.07
29.2 29.3 8.26 98.5 6.80 0.6
Middle 11.5 29.2 31.2 8.21 87.3 6.36 0.7 15.6 0.001 0.05
29.2 31.4 8.21 87.6 6.38 0.8
Bottom 22 24.8 33.2 7.74 78.3 5.60 5.60 14.4 15.1 <0.001 0.16
24.8 33.5 7.73 78.6 5.60 14.9
Other Observations: Nil
C1 07:00 Surface 1 27.6 29.8 8.08 88.7 6.60 6.35 3.2 9.0 7.1 12.7 0.002 0.001* 0.18 0.16
27.6 29.7 8.08 88.7 6.59 3.2
Middle 14 25.8 33.1 7.96 74.2 6.13 6.2 10.3 0.001 0.17
25.7 33.2 7.95 73.9 6.09 6.2
Bottom 27 24.2 34.0 7.80 66.8 5.53 5.50 17.6 20.7 <0.001 0.15
24.2 34.1 7.80 65.8 5.47 17.6
Other Observations: Nil
C2 07:20 Surface 1 27.9 28.6 8.10 95.1 6.95 6.70 6.9 6.0 4.7 7.4 0.001 0.001 0.13 0.16
27.9 28.6 8.11 94.8 6.93 6.9
Middle 7.5 27.8 29.1 7.12 79.1 6.47 3.5 7.5 0.001 0.20
27.7 29.2 8.11 79.1 6.43 3.5
Bottom 13.5 26.2 31.3 8.02 67.6 5.77 5.82 7.6 10.1 0.001 0.16
26.2 31.5 8.02 68.6 5.87 7.6
Other Observations: Nil
C3 07:40 Surface 1 28.8 28.7 8.29 105.8 7.41 6.76 5.4 7.4 7.1 19.4 0.001 0.001 0.07 0.08
28.8 28.6 8.30 105.4 7.40 5.4
Middle 5.5 28.8 29.7 8.27 76.3 6.10 5.9 14.5 0.001 0.06
28.8 29.7 8.27 76.5 6.11 5.9
Bottom 10 27.8 30.9 8.13 62.4 5.20 5.20 10.9 36.5 0.001 0.10
27.7 31.2 8.12 62.2 5.20 10.9
Other Observations: Nil
C4 08:00 Surface 1 28.5 29.2 8.18 92.6 7.01 6.73 7.2 5.6 4.5 4.8 0.001 0.001* 0.04 0.07
28.5 29.2 8.19 94.0 7.11 7.2
Middle 7 28.2 29.6 8.16 80.9 6.41 5.2 4.3 0.001 0.06
28.2 29.7 8.16 80.4 6.38 5.2
Bottom 13 25.3 33.2 7.87 75.4 6.03 5.98 4.3 5.5 <0.001 0.11
25.2 33.4 7.86 74.8 5.93 4.3
Other Observations: Nil
C5 08:35 Surface 1 29.3 29.6 8.25 100.7 6.84 6.59 0.9 1.1 6.7 4.6 0.001 0.001* 0.02 0.05
29.3 29.6 8.26 100.6 6.83 0.9
Middle 12 28.1 31.4 8.13 83.3 6.20 1.2 3.3 <0.001 0.03
28.1 31.8 8.14 86.3 6.48 1.2
Bottom 22.5 25.9 32.8 7.84 74.7 5.87 5.88 1.1 3.9 <0.001 0.11
25.9 33.4 7.81 74.8 5.88 1.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 20/8/2001  
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 14:45 Surface 1 27.4 28.6 7.74 91.4 6.32 6.17 8.8 9.4 15.9 16.6 0.002 0.002 0.29 0.28
27.4 28.8 7.74 92.8 6.34 8.5
Middle 13 27.4 29.2 7.74 88.0 6.01 11.0 20.3 0.002 0.27
27.4 29.3 7.74 88.1 6.02 10.7
Bottom 25 27.3 29.0 7.74 84.6 5.88 5.87 8.6 13.7 0.001 0.29
27.3 29.0 7.74 84.4 5.86 8.6
Other Observations: Nil
SR2 14:30 Surface 1 28.6 28.4 7.94 89.3 6.22 6.09 2.6 4.5 4.9 12.8 0.001 0.001 0.19 0.21
28.5 28.5 7.95 89.3 6.23 3.0
Middle 5.5 28.0 29.0 7.85 87.3 5.98 3.9 18.4 0.001 0.20
27.9 29.1 7.85 86.2 5.91 4.0
Bottom 9.5 27.8 29.1 7.83 82.1 5.46 5.45 6.5 15.2 0.002 0.24
27.8 29.2 7.83 82.0 5.43 6.7
Other Observations: Nil
SR3 14:00 Surface 1 29.7 28.8 8.09 99.0 6.41 6.47 9.5 7.8 7.0 9.7 N.A. N.A. N.A. N.A.
29.6 28.9 8.09 99.1 6.42 9.5
Middle 4 29.4 29.3 8.06 100.0 6.53 8.2 12.0 N.A. N.A.
29.3 29.6 8.05 99.8 6.51 7.2
Bottom 7 28.4 30.4 7.95 88.0 5.95 5.97 6.0 10.2 N.A. N.A.
28.4 30.5 7.95 88.1 5.98 6.1
Other Observations: 2 Dredgers at app 100m
SR4 13:50 Surface 1 29.4 29.4 8.09 91.8 6.36 6.17 7.3 7.2 6.0 9.7 <0.001 0.001* 0.06 0.06
29.4 29.4 8.09 91.6 6.35 7.2
Middle 3.5 29.1 29.7 8.07 88.3 5.99 6.8 10.6 <0.001 0.05
29.1 29.7 8.07 88.0 5.96 6.8
Bottom 6 28.8 30.0 8.04 82.3 5.77 5.77 7.6 12.6 0.001 0.06
28.8 30.0 8.04 82.4 5.76 7.6
Other Observations: Nil
SR5 13:26 Surface 1 29.7 28.9 8.10 100.5 6.49 6.28 4.2 7.5 7.1 8.2 <0.001 <0.001 0.02 0.03
29.6 29.0 8.11 101.0 6.56 3.9
Middle 4 28.9 29.5 8.05 90.7 6.03 9.7 9.2 <0.001 0.02
28.8 29.4 8.05 90.8 6.02 9.7
Bottom 7 28.6 30.1 8.00 80.0 5.25 5.23 9.0 8.4 <0.001 0.04
28.6 30.2 8.00 79.6 5.21 8.2
Other Observations: Nil
SR6 13:15 Surface 1 29.7 29.2 8.08 101.5 6.56 6.45 2.8 5.1 10.8 10.5 <0.001 <0.001 0.01 0.02
29.7 29.2 8.08 101.6 6.58 2.6
Middle 5.5 29.2 29.5 8.07 97.0 6.35 1.9 11.0 <0.001 0.02
29.2 29.5 8.07 96.8 6.31 1.9
Bottom 10 28.9 30.2 8.03 90.4 5.91 5.90 10.5 9.6 <0.001 0.02
28.9 30.2 8.03 90.2 5.88 10.9
Other Observations: Nil
SR7 13:05 Surface 1 29.8 28.2 8.09 108.9 7.07 6.85 1.0 1.2 11.2 8.0 <0.001 <0.001 0.02 0.02
29.7 28.2 8.09 109.0 7.08 1.0
Middle 11 29.2 28.9 8.03 101.3 6.64 1.6 7.6 <0.001 0.02
29.2 28.9 8.03 100.9 6.60 1.5
Bottom 20.5 29.0 29.1 7.99 94.5 6.25 6.26 1.1 5.2 <0.001 0.02
29.0 29.1 7.97 94.7 6.26 1.1
Other Observations: Nil
C1 11:23 Surface 1 28.8 28.7 7.80 89.9 6.69 6.43 5.4 7.0 12.0 10.6 <0.001 <0.001 0.16 0.13
28.8 28.6 7.82 89.7 6.68 5.2
Middle 13 26.2 30.4 7.85 76.8 6.15 4.8 12.0 <0.001 0.11
26.2 30.5 7.86 76.9 6.18 4.7
Bottom 24.5 24.1 33.1 7.77 73.2 5.96 5.93 10.8 7.8 <0.001 0.11
24.1 33.2 7.78 73.1 5.90 11.0
Other Observations: Nil
C2 11:39 Surface 1 28.3 28.5 7.75 91.9 6.88 6.49 2.2 6.0 8.6 8.7 <0.001 <0.001 0.18 0.17
28.3 28.5 7.73 91.9 6.85 2.4
Middle 7 28.0 29.1 7.46 80.6 6.12 7.9 7.8 <0.001 0.20
28.0 29.3 7.46 80.4 6.12 7.5
Bottom 13 27.9 30.2 7.45 73.2 5.21 5.19 8.7 9.6 <0.001 0.13
27.8 30.2 7.45 73.6 5.17 7.5
Other Observations: Nil
C3 12:00 Surface 1 27.7 27.9 7.84 105.8 6.92 6.63 11.1 10.5 4.0 6.4 <0.001 0.001* 0.18 0.19
27.6 28.0 7.84 105.8 6.93 11.4
Middle 5 28.1 28.7 7.56 85.8 6.32 7.2 7.6 <0.001 0.19
28.0 28.8 7.55 86.0 6.33 7.5
Bottom 8.5 27.7 29.9 7.50 74.2 5.96 5.92 12.7 7.6 0.001 0.19
27.7 30.0 7.50 73.8 5.88 12.9
Other Observations: Nil
C4 12:20 Surface 1 30.1 28.4 7.89 101.1 6.90 6.73 9.2 7.1 6.6 6.3 <0.001 <0.001 0.08 0.11
30.0 28.4 7.89 101.6 6.92 9.2
Middle 6.5 28.0 29.2 7.66 88.7 6.54 7.2 8.4 <0.001 0.19
28.0 29.3 7.65 88.8 6.57 7.2
Bottom 12 27.8 31.4 7.62 81.1 6.08 6.09 4.9 3.8 <0.001 0.08
27.8 31.5 7.62 80.9 6.10 4.8
Other Observations: Nil
C5 12:45 Surface 1 29.8 29.5 8.02 107.2 7.14 7.03 2.2 2.5 8.2 7.7 <0.001 <0.001 0.01 0.03
29.8 29.5 8.01 107.0 7.16 2.2
Middle 11.5 29.5 30.4 7.86 97.7 6.92 3.5 7.6 <0.001 0.00
29.4 30.4 7.85 97.1 6.91 3.5
Bottom 21.5 27.5 31.8 7.58 84.8 6.39 6.36 1.8 7.2 <0.001 0.07
27.6 32.0 7.59 83.7 6.32 1.8
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.