Date: 15/9/2001  
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 18:25 Surface 1 27.3 29.7 7.89 95.1 6.36 6.20 4.0 6.6 8.2 13.9 0.001 0.001 0.24 0.19
27.3 29.8 7.90 95.3 6.38 4.0
Middle 13.5 27.3 31.4 8.05 90.8 6.03 5.9 13.2 0.001 0.19
27.3 31.4 8.06 90.9 6.04 5.8
Bottom 25.5 27.2 31.9 8.08 87.5 5.81 5.79 9.9 20.2 0.002 0.14
27.2 31.9 8.08 87.2 5.77 9.9
Other Observations: Nil
SR2 18:15 Surface 1 27.7 30.2 7.86 93.7 6.22 6.05 9.0 11.6 10.0 11.7 0.001 0.001 0.27 0.20
27.7 30.2 7.89 93.7 6.23 8.4
Middle 5.5 27.5 30.8 8.02 89.0 5.86 10.5 11.4 0.001 0.18
27.4 31.0 8.02 87.8 5.87 10.8
Bottom 10 27.2 32.2 8.03 82.4 5.49 5.48 15.1 13.7 0.002 0.15
27.2 32.2 8.03 82.1 5.46 15.6
Other Observations: Nil
SR3 17:55 Surface 1 28.1 32.2 8.12 121.4 7.89 8.00 3.2 4.5 12.5 10.7 N.A. N.A. N.A. N.A.
28.2 32.2 8.14 121.9 7.92 3.3
Middle 4.5 28.1 32.1 8.21 123.5 8.09 4.4 7.1 N.A. N.A.
28.0 32.1 8.21 123.4 8.10 4.5
Bottom 7.5 27.6 32.2 8.19 120.2 7.96 7.94 5.5 12.5 N.A. N.A.
27.6 32.3 8.18 119.9 7.92 5.8
Other Observations: 2 dredgers at app 100 & 150m
SR4 17:35 Surface 1 27.8 32.2 8.11 118.9 7.66 7.54 10.2 5.7 5.3 5.2 <0.001 <0.001 0.02 0.01*
27.8 32.2 8.12 119.1 7.68 9.8
Middle 4 27.8 32.1 8.23 109.1 7.40 4.1 4.7 <0.001 0.01
27.8 32.2 8.23 109.3 7.41 3.9
Bottom 6.5 27.8 32.4 8.25 92.1 6.09 6.09 3.2 5.7 <0.001 <0.01
27.8 32.4 8.25 92.0 6.08 3.0
Other Observations: Nil
SR5 17:25 Surface 1 27.3 32.3 7.94 113.6 7.48 7.32 6.6 9.0 5.8 7.5 <0.001 0.001* 0.02 0.04
27.3 32.2 7.95 113.7 7.51 6.5
Middle 4 27.3 32.2 8.00 107.7 7.17 6.0 5.9 0.001 0.03
27.3 32.2 8.00 107.1 7.13 6.1
Bottom 7 27.1 32.8 7.95 88.9 5.93 5.89 14.4 10.7 0.002 0.06
27.1 32.9 7.95 88.2 5.84 14.5
Other Observations: Nil
SR6 17:15 Surface 1 27.4 31.8 7.85 113.7 7.49 6.42 4.2 13.8 6.3 13.9 <0.001 0.001* 0.04 0.07
27.4 31.9 7.87 113.8 7.52 4.1
Middle 5 27.1 32.8 7.83 81.2 5.38 17.2 17.7 0.001 0.08
27.1 32.7 7.83 79.8 5.29 17.8
Bottom 9 27.0 32.8 7.82 74.4 4.94 4.93 19.5 17.7 0.002 0.09
27.0 32.8 7.82 74.0 4.91 20.0
Other Observations: Nil
SR7 17:05 Surface 1 27.8 32.2 7.82 121.3 7.89 6.95 5.6 14.2 3.3 9.8 <0.001 0.001* 0.04 0.08
27.8 32.2 7.84 122.1 7.96 5.5
Middle 11 27.3 33.2 7.89 90.3 6.03 7.5 8.1 0.001 0.08
27.2 33.4 7.89 88.6 5.90 7.8
Bottom 20.5 27.0 34.0 7.85 75.5 4.97 4.97 29.4 17.9 0.001 0.12
27.0 34.1 7.85 75.3 4.97 29.5
Other Observations: Nil
C1 15:30 Surface 1 27.5 30.4 8.02 88.7 5.92 5.69 7.8 14.6 10.7 11.9 0.001 0.001 0.23 0.19
27.5 30.4 8.03 88.5 5.90 7.8
Middle 12 27.2 31.7 8.11 82.0 5.48 7.6 10.7 0.002 0.20
27.2 31.6 8.12 81.8 5.44 7.6
Bottom 23 27.0 32.2 8.15 79.5 5.28 5.26 28.4 14.3 0.001 0.15
27.0 32.3 8.15 78.9 5.23 28.4
Other Observations: Nil
C2 15:45 Surface 1 27.3 28.4 7.15 87.2 5.90 5.64 23.5 19.1 18.1 17.2 <0.001 <0.001 0.33 0.28
27.3 28.4 7.16 86.7 5.88 23.5
Middle 6.5 27.2 29.4 7.19 80.6 5.41 17.7 17.7 <0.001 0.29
27.2 29.7 7.19 79.6 5.37 17.7
Bottom 11.5 27.1 30.9 7.22 78.0 5.22 5.22 16.2 15.9 <0.001 0.23
27.1 31.2 7.22 78.1 5.22 16.2
Other Observations: Nil
C3 16:05 Surface 1 27.3 29.7 7.19 83.9 5.64 5.55 20.4 18.8 14.2 18.9 <0.001 0.001* 0.29 0.27
27.3 29.7 7.22 83.2 5.60 20.4
Middle 4.5 27.2 29.9 7.36 82.0 5.49 15.8 21.3 <0.001 0.26
27.2 30.0 7.37 81.5 5.47 15.8
Bottom 7.5 27.2 30.5 7.41 80.9 5.41 5.42 20.2 21.1 0.001 0.26
27.2 30.6 7.41 81.1 5.42 20.2
Other Observations: Nil
C4 16:20 Surface 1 27.3 30.7 7.48 90.5 6.06 5.59 9.7 10.5 7.9 9.0 <0.001 0.001* 0.21 0.15
27.3 30.8 7.50 90.0 6.02 9.7
Middle 6 27.1 31.6 7.55 77.3 5.24 10.2 9.7 0.001 0.13
27.0 31.5 7.55 74.8 5.05 10.2
Bottom 11 26.9 33.1 7.57 69.3 4.60 4.60 11.6 9.5 0.001 0.12
26.9 33.1 7.57 69.2 4.59 11.6
Other Observations: Nil
C5 16:50 Surface 1 27.5 31.8 7.67 119.3 7.92 6.79 1.6 6.7 4.9 7.2 <0.001 0.001* 0.04 0.06
27.5 31.8 7.69 117.7 7.91 1.6
Middle 11.5 27.1 32.7 7.72 85.5 5.74 2.9 7.7 0.001 0.05
27.1 33.0 7.73 84.0 5.59 2.9
Bottom 21.5 27.1 33.6 7.81 83.5 5.50 5.51 15.7 9.1 0.001 0.08
27.1 33.6 7.81 83.5 5.51 15.7
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 15/9/2001  
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 12:15 Surface 1 27.2 30.7 7.62 95.0 6.37 6.31 9.7 6.2 6.1 5.3 <0.001 0.001* 0.32 0.26
27.2 30.7 7.63 95.0 6.35 9.6
Middle 14 27.2 30.9 7.71 93.7 6.26 4.2 5.3 0.001 0.24
27.2 30.8 7.72 93.7 6.25 4.2
Bottom 26.5 27.1 30.3 7.75 91.6 6.15 6.15 4.5 4.5 0.001 0.23
27.1 30.1 7.75 91.7 6.15 4.7
Other Observations: Nil
SR2 11:58 Surface 1 27.3 30.6 7.54 96.0 6.41 6.39 5.0 4.7 5.3 6.2 <0.001 <0.001 0.22 0.23
27.3 30.6 7.55 95.8 6.41 4.8
Middle 5.5 27.3 30.8 7.66 95.5 6.37 4.5 6.1 <0.001 0.23
27.3 30.8 7.66 95.5 6.37 4.4
Bottom 9.5 27.2 30.8 7.69 93.9 6.29 6.28 4.7 7.3 <0.001 0.23
27.2 30.8 7.69 93.7 6.27 4.7
Other Observations: Nil
SR3 11:35 Surface 1 28.6 32.7 7.98 99.8 6.42 6.29 11.4 14.1 11.1 8.8 N.A. N.A. N.A. N.A.
28.6 32.7 8.00 100.1 6.45 11.9
Middle 4.5 27.6 32.9 7.90 93.6 6.16 16.0 12.1 N.A. N.A.
27.5 33.0 7.89 93.2 6.14 16.2
Bottom 7.5 27.2 33.2 7.82 89.3 5.93 5.90 14.6 3.3 N.A. N.A.
27.1 33.2 7.82 88.8 5.87 14.6
Other Observations: 3 dredgers at app 100m
SR4 11:15 Surface 1 27.4 32.5 7.85 111.1 7.31 7.47 4.2 5.1 6.7 5.4 <0.001 <0.001 0.03 0.02
27.5 32.6 7.87 111.5 7.37 4.0
Middle 3.5 27.2 32.6 7.99 114.7 7.59 9.2 4.5 <0.001 0.02
27.2 32.7 8.00 114.9 7.62 9.2
Bottom 6 26.9 32.7 7.98 109.8 7.26 7.28 2.0 4.9 <0.001 0.02
26.9 32.7 7.98 110.2 7.29 2.0
Other Observations: Nil
SR5 11:05 Surface 1 27.3 31.8 7.79 109.2 7.24 7.23 1.7 2.8 4.2 5.5 <0.001 <0.001 0.04 0.03
27.3 31.9 7.81 109.4 7.25 1.8
Middle 4 27.1 32.0 7.91 108.1 7.22 2.6 7.5 <0.001 0.03
27.0 32.0 7.92 108.0 7.20 2.3
Bottom 7 26.9 32.2 7.91 98.1 6.62 6.58 3.9 4.9 <0.001 0.02
26.9 32.2 7.91 97.2 6.54 4.2
Other Observations: Nil
SR6 10:55 Surface 1 27.3 32.0 7.76 110.9 7.36 7.35 1.2 1.4 5.3 4.7 <0.001 0.001* 0.07 0.06
27.3 32.0 7.78 111.3 7.37 1.2
Middle 5.5 27.3 32.0 7.93 110.6 7.35 1.7 4.1 0.001 0.06
27.3 32.0 7.93 110.5 7.33 1.5
Bottom 10 27.0 32.4 7.91 103.3 6.94 6.90 1.5 4.7 <0.001 0.04
27.0 32.5 7.91 102.7 6.86 1.5
Other Observations: Nil
SR7 10:40 Surface 1 27.0 31.8 7.70 111.5 7.42 7.37 6.4 11.7 3.3 9.0 <0.001 0.001* 0.05 0.04*
27.1 31.7 7.71 111.6 7.43 6.2
Middle 11 26.9 32.4 7.82 110.1 7.32 4.7 2.9 <0.001 <0.01
26.9 32.6 7.83 110.1 7.30 4.7
Bottom 20.5 26.7 33.0 7.80 92.9 6.37 6.32 24.0 20.7 0.001 0.05
26.7 33.2 7.79 91.7 6.26 24.4
Other Observations: Nil
C1 08:40 Surface 1 21.3 35.9 7.69 95.7 6.90 6.69 7.2 8.3 4.5 5.8 <0.001 0.001* 0.12 0.10
21.3 35.9 7.78 95.9 6.89 6.8
Middle 13.5 21.4 36.8 7.97 91.4 6.49 8.9 4.7 0.001 0.07
21.4 36.9 7.97 91.2 6.48 9.7
Bottom 25.5 21.5 36.9 8.02 8.1 5.81 5.78 8.5 8.3 0.001 0.10
21.5 36.7 8.02 8.0 5.75 8.7
Other Observations: Nil
C2 09:05 Surface 1 22.8 33.6 7.52 89.4 6.33 6.39 4.2 9.7 5.1 5.2 <0.001 0.001* 0.25 0.19
22.8 33.6 7.56 90.2 6.39 4.1
Middle 7 22.8 33.9 7.92 90.8 6.42 14.7 4.3 0.001 0.18
22.8 34.0 7.93 90.7 6.42 14.7
Bottom 12.5 22.8 35.3 7.98 85.0 5.95 5.96 10.3 6.1 0.001 0.13
22.8 35.6 7.99 84.9 5.96 10.1
Other Observations: Nil
C3 09:25 Surface 1 26.4 31.0 7.57 85.4 5.73 5.83 13.4 10.8 4.9 4.9 <0.001 0.001* 0.24 0.16
26.4 31.0 7.60 85.7 5.79 13.4
Middle 5 26.5 31.4 7.83 87.9 5.89 10.2 5.5 0.001 0.14
26.5 31.6 7.84 88.0 5.90 10.2
Bottom 8.5 26.4 32.7 7.91 83.2 5.62 5.59 8.9 4.3 0.001 0.10
26.4 32.9 7.91 82.5 5.56 8.7
Other Observations: Nil
C4 09:50 Surface 1 26.6 30.7 7.51 90.5 6.08 6.10 8.1 4.7 4.0 3.9 <0.001 0.001* 0.21 0.15
26.6 30.7 7.54 91.1 6.11 8.1
Middle 6.5 26.5 31.7 7.80 90.8 6.11 2.6 3.6 0.001 0.15
26.5 31.8 7.81 90.7 6.08 2.6
Bottom 12 26.5 33.1 7.86 81.9 5.54 5.50 3.3 4.0 0.001 0.09
26.4 33.2 7.86 80.8 5.46 3.2
Other Observations: Nil
C5 10:15 Surface 1 27.0 32.1 7.86 98.4 6.89 6.62 2.8 4.9 6.6 4.4 <0.001 <0.001 0.04 0.02*
27.0 32.1 7.83 98.5 6.90 2.8
Middle 11.5 26.9 33.3 7.74 90.6 6.44 6.2 2.8 <0.001 <0.01
26.9 33.3 7.74 90.0 6.24 6.0
Bottom 21.5 26.8 34.3 7.73 88.0 5.82 5.81 5.6 3.8 <0.001 0.02
26.8 34.5 7.72 87.7 5.80 5.9
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.