Date: 25/4/2001  
Weather: Rainy
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 11:00 Surface 1 22.5 33.1 8.16 86.1 6.19 6.19 7.7 7.7 5.6 17.1 0.004 0.003 0.20 0.13
22.5 33.0 8.17 86.1 6.19 7.7
Middle 13 22.5 34.1 8.23 86.1 6.19 7.2 12.8 0.003 0.11
22.5 34.1 8.24 86.1 6.19 7.4
Bottom 25.5 22.3 34.6 8.27 86.0 6.18 6.18 7.9 32.8 0.003 0.07
22.3 34.6 8.27 86.0 6.18 8.1
Other Observations: Nil
SR2 10:48 Surface 1 22.4 33.1 8.19 85.1 6.19 6.15 5.2 8.9 12.2 13.1 0.003 0.003 0.18 0.14
22.5 33.2 8.20 85.3 6.19 5.1
Middle 5.5 22.7 33.2 8.24 85.7 6.11 8.4 7.6 0.004 0.17
22.7 33.2 8.24 85.7 6.11 8.8
Bottom 10.5 22.4 33.9 8.26 86.0 6.13 6.12 13.6 19.6 0.002 0.07
22.4 34.0 8.26 85.6 6.11 12.4
Other Observations: Nil
SR3 10:38 Surface 1 22.2 34.3 8.21 86.6 6.16 6.22 11.3 12.5 9.4 14.4 N.A. N.A. N.A. N.A.
22.2 34.3 8.22 87.1 6.20 11.5
Middle 5 22.3 34.4 8.26 87.6 6.25 9.8 16.2 N.A. N.A.
22.3 34.4 8.26 87.7 6.26 9.9
Bottom 8.5 22.3 34.3 8.27 87.8 6.25 6.25 16.0 17.6 N.A. N.A.
22.3 34.3 8.27 87.4 6.24 16.2
Other Observations: Dredging at 50m
SR4 10:18 Surface 1 22.2 34.3 8.25 87.8 6.26 6.28 9.4 10.1 12.8 11.1 0.002 0.001 0.06 0.06
22.2 34.4 8.26 87.8 6.27 9.2
Middle 4 22.2 34.2 8.26 87.9 6.28 10.3 9.0 0.001 0.07
22.2 34.2 8.26 87.9 6.29 10.3
Bottom 6.5 22.2 34.2 8.27 87.8 6.26 6.26 10.9 11.6 0.001 0.05
22.2 34.3 8.27 87.6 6.25 10.5
Other Observations: Nil
SR5 10:02 Surface 1 22.3 34.2 8.22 88.2 6.30 6.32 7.4 8.5 12.0 12.8 0.001 0.001 0.07 0.07
22.3 34.2 8.23 88.5 6.31 7.4
Middle 5 22.4 34.2 8.25 89.0 6.33 7.3 16.2 0.002 0.07
22.4 34.2 8.25 88.9 6.33 7.4
Bottom 8.5 22.3 34.4 8.26 88.6 6.33 6.33 10.7 10.2 0.001 0.06
22.3 34.3 8.25 88.6 6.32 11.0
Other Observations: Nil
SR6 09:50 Surface 1 22.2 34.0 8.24 89.5 6.37 6.42 7.5 11.1 11.4 13.3 0.002 0.001 0.08 0.06
22.2 34.0 8.24 89.6 6.40 7.8
Middle 6 22.2 33.8 8.27 90.0 6.45 10.4 10.0 0.001 0.05
22.2 33.8 8.27 89.9 6.44 10.9
Bottom 11 22.2 34.1 8.27 90.0 6.43 6.43 14.7 18.4 0.001 0.04
22.2 34.0 8.28 89.8 6.43 15.1
Other Observations: Nil
SR7 09:38 Surface 1 22.2 34.2 8.24 92.5 6.58 6.63 3.4 5.2 7.8 7.4 0.001 0.001 0.04 0.04
22.2 34.1 8.25 92.6 6.59 3.3
Middle 11 22.3 34.3 8.27 93.6 6.68 4.1 6.2 0.001 0.04
22.3 34.4 8.27 93.1 6.66 4.1
Bottom 21.5 22.2 34.8 8.28 92.4 6.59 6.58 7.9 8.2 0.001 0.04
22.2 34.8 8.28 92.0 6.57 8.1
Other Observations: Nil
C1 07:12 Surface 1 22.4 33.5 8.15 92.8 6.64 6.73 5.5 15.5 14.8 16.7 0.004 0.003 0.16 0.12
22.4 33.5 8.16 92.8 6.64 5.5
Middle 12 22.4 33.5 8.20 95.0 6.81 9.0 10.8 0.004 0.13
22.4 33.4 8.20 95.6 6.83 9.0
Bottom 23.5 22.3 33.9 8.23 98.2 7.02 7.05 31.9 24.6 0.002 0.07
22.3 33.7 8.23 98.8 7.07 31.9
Other Observations: Nil
C2 07:35 Surface 1 22.5 32.9 8.18 96.4 6.91 6.90 5.5 40.7 9.4 16.1 0.004 0.004 0.19 0.15
22.5 32.9 8.18 96.4 6.91 5.5
Middle 7 22.3 34.2 8.24 96.8 6.89 52.6 9.8 0.005 0.17
22.3 34.2 8.25 97.0 6.90 52.6
Bottom 12.5 22.3 34.5 8.26 98.0 6.98 6.98 64.0 29.0 0.003 0.08
22.3 34.5 8.26 98.0 6.98 64.0
Other Observations: Nil
C3 08:06 Surface 1 22.5 32.4 8.12 93.7 6.70 6.67 8.2 9.7 11.0 9.3 0.004 0.004 0.23 0.19
22.5 32.4 8.14 93.7 6.72 8.2
Middle 5 22.4 33.4 8.21 92.6 6.64 7.3 5.2 0.005 0.20
22.4 33.4 8.21 92.5 6.62 7.3
Bottom 9 22.3 34.2 8.24 93.5 6.67 6.68 13.5 11.6 0.003 0.13
22.3 34.3 8.25 93.6 6.68 13.5
Other Observations: Nil
C4 08:40 Surface 1 22.4 33.4 8.17 93.4 6.67 6.68 4.6 6.7 7.2 13.6 0.003 0.002 0.17 0.10
22.4 33.4 8.18 93.4 6.67 4.6
Middle 7 22.2 34.3 8.25 94.0 6.69 6.3 7.8 0.001 0.08
22.2 34.4 8.26 93.8 6.70 6.3
Bottom 13 22.2 34.8 8.27 94.7 6.77 6.76 9.2 25.8 0.001 0.04
22.2 34.8 8.27 94.6 6.75 9.2
Other Observations: Nil
C5 09:10 Surface 1 22.5 34.4 8.23 96.3 6.84 6.84 2.9 4.8 5.0 8.1 0.001 0.001 0.04 0.03
22.5 34.4 8.24 96.8 6.81 2.9
Middle 12 22.4 35.0 8.27 96.9 6.86 2.6 5.8 0.001 0.02
22.4 35.0 8.27 96.5 6.85 2.6
Bottom 23 22.2 35.0 8.28 95.9 6.83 6.81 9.0 13.4 0.001 0.03
22.2 35.1 8.28 95.8 6.78 9.0
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 25/4/2001  
Weather: Rainy
Sea Condition: Moderate
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 16:00 Surface 1 22.5 32.2 8.17 93.8 6.78 6.73 12.6 12.0 15.4 14.2 0.006 0.005 0.26 0.24
22.5 32.2 8.17 93.6 6.73 12.6
Middle 13 22.5 32.4 8.18 93.5 6.71 12.3 15.0 0.006 0.27
22.5 32.4 8.18 93.4 6.70 12.1
Bottom 25 22.5 33.1 8.21 93.7 6.70 6.71 11.2 12.2 0.004 0.19
22.5 33.1 8.21 93.9 6.71 11.0
Other Observations: Nil
SR2 15:46 Surface 1 22.3 32.2 8.13 97.4 7.06 6.94 8.4 8.2 16.4 13.7 0.005 0.006 0.26 0.26
22.4 32.2 8.14 97.2 7.04 8.3
Middle 5 22.5 32.1 8.19 94.9 6.83 8.1 13.6 0.006 0.26
22.5 32.1 8.19 94.9 6.84 8.0
Bottom 9 22.5 32.4 8.20 95.0 6.83 6.83 8.0 11.0 0.006 0.25
22.5 32.4 8.20 94.9 6.82 8.2
Other Observations: Nil
SR3 15:35 Surface 1 23.6 33.4 8.19 99.7 6.98 7.01 10.5 10.3 16.4 14.2 N.A. N.A. N.A. N.A.
23.6 33.4 8.20 99.9 7.00 10.6
Middle 4 23.3 33.9 8.25 100.4 7.03 9.4 9.6 N.A. N.A.
23.3 33.9 8.25 100.4 7.04 9.5
Bottom 6.5 23.2 33.9 8.26 100.5 7.06 7.07 10.8 16.6 N.A. N.A.
23.2 34.0 8.26 100.5 7.07 10.9
Other Observations: Dredging at 50m
SR4 15:15 Surface 1 22.1 33.7 8.20 99.3 7.13 7.16 4.5 6.0 10.2 10.6 0.001 0.001 0.04 0.04
22.1 33.7 8.21 99.9 7.17 4.5
Middle 3.5 22.3 34.0 8.25 100.1 7.16 4.9 10.2 0.001 0.04
22.3 33.9 8.25 100.2 7.16 4.9
Bottom 6 22.2 34.0 8.26 100.1 7.15 7.15 8.6 11.4 0.001 0.05
22.2 34.0 8.26 99.8 7.14 8.4
Other Observations: Nil
SR5 14:58 Surface 1 22.2 33.2 8.22 100.2 7.16 7.16 6.9 9.3 11.4 15.7 0.001 0.001 0.06 0.06
22.2 33.2 8.21 100.3 7.18 6.9
Middle 3.5 22.3 34.1 8.24 100.1 7.14 11.5 20.4 0.001 0.06
22.3 34.1 8.24 100.2 7.15 11.8
Bottom 6 22.2 34.3 8.27 99.4 7.12 7.12 9.2 15.2 0.001 0.07
22.2 34.2 8.27 99.4 7.11 9.2
Other Observations: Nil
SR6 14:45 Surface 1 22.3 33.3 8.23 102.3 7.30 7.39 4.1 5.2 9.6 9.7 0.002 0.001 0.06 0.05
22.3 33.3 8.24 102.7 7.33 4.1
Middle 5 22.3 33.7 8.26 104.3 7.47 5.4 8.4 0.001 0.06
22.3 33.7 8.26 104.1 7.46 5.5
Bottom 9 22.3 33.7 8.27 103.1 7.37 7.37 6.0 11.0 0.001 0.04
22.3 33.8 8.27 102.9 7.36 6.1
Other Observations: Nil
SR7 14:32 Surface 1 22.7 33.8 8.19 99.8 7.17 7.19 5.6 10.1 6.6 8.9 0.002 0.001 0.08 0.05
22.7 33.8 8.20 101.0 7.20 5.6
Middle 11 22.2 34.3 8.27 100.9 7.20 12.3 9.4 0.001 0.03
22.2 34.3 8.27 100.8 7.19 12.2
Bottom 20 22.2 34.5 8.28 100.1 7.14 7.14 12.5 10.6 0.001 0.04
22.2 34.5 8.28 100.0 7.14 12.4
Other Observations: Nil
C1 12:15 Surface 1 22.3 32.6 8.11 99.9 7.15 7.15 6.2 7.2 12.0 10.2 0.003 0.003 0.16 0.11
22.3 32.5 8.18 99.8 7.15 6.3
Middle 12 22.4 33.3 8.24 99.8 7.15 5.4 6.2 0.003 0.10
22.4 33.3 8.24 99.4 7.14 5.5
Bottom 23.5 22.3 34.0 8.28 100.1 7.19 7.19 9.7 12.3 0.003 0.07
22.2 33.9 8.28 100.2 7.19 10.0
Other Observations: Nil
C2 12:35 Surface 1 22.5 31.9 8.15 98.1 7.07 7.07 6.8 7.8 11.9 12.4 0.006 0.005 0.25 0.20
22.5 31.9 8.15 98.0 7.06 7.1
Middle 6.5 22.5 32.2 8.19 98.4 7.06 7.2 10.5 0.005 0.23
22.5 32.2 8.20 98.5 7.07 7.1
Bottom 12 22.4 33.7 8.26 100.8 7.13 7.20 9.2 14.9 0.003 0.11
22.4 33.7 8.26 101.9 7.26 9.1
Other Observations: Nil
C3 13:00 Surface 1 22.4 32.2 8.14 97.5 7.01 6.95 6.0 6.9 8.9 11.4 0.005 0.004 0.28 0.20
22.4 32.2 8.15 97.3 7.00 5.8
Middle 4.5 22.4 33.0 8.22 96.3 6.90 6.7 12.9 0.005 0.23
22.4 33.0 8.22 96.1 6.89 6.8
Bottom 8 22.3 33.9 8.25 97.6 6.97 6.97 8.0 12.5 0.002 0.08
22.3 34.0 8.25 97.6 6.97 8.1
Other Observations: Nil
C4 13:40 Surface 1 22.4 32.4 8.15 99.8 7.20 7.16 5.1 4.6 9.9 10.6 0.004 0.003 0.22 0.14
22.4 32.4 8.16 99.6 7.18 5.1
Middle 6 22.5 32.7 8.19 99.3 7.14 4.8 11.5 0.004 0.18
22.5 32.8 8.20 99.3 7.13 4.7
Bottom 11 22.4 34.4 8.27 100.2 7.15 7.17 4.0 10.3 0.001 0.03
22.4 34.3 8.28 100.6 7.18 3.8
Other Observations: Nil
C5 14:15 Surface 1 22.2 34.2 8.22 102.2 7.30 7.40 3.0 3.6 10.3 10.6 0.001 0.001 0.03 0.02
22.2 34.2 8.23 102.4 7.32 3.0
Middle 11 22.3 34.0 8.27 104.9 7.49 3.7 7.7 0.001 0.02
22.3 34.0 8.27 104.8 7.48 3.7
Bottom 21 22.4 34.0 8.28 104.5 7.45 7.46 4.0 13.7 0.001 0.02
22.4 34.0 8.28 104.5 7.46 4.0
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.