Date: 15/5/2001  
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 11:00 Surface 1 26.3 32.2 8.28 107.0 7.17 6.81 11.2 10.3 9.5 9.8 0.001 0.001 0.12 0.07
26.3 32.8 8.28 107.2 7.19 11.1
Middle 13.5 25.2 34.4 8.26 95.1 6.44 8.7 7.5 0.001 0.05
25.2 34.4 8.26 95.0 6.43 8.6
Bottom 25.5 24.9 34.7 8.24 88.2 6.02 6.02 11.1 12.3 0.001 0.04
24.9 34.7 8.24 88.1 6.01 11.0
Other Observations: Nil
SR2 10:48 Surface 1 26.2 32.1 8.30 109.5 7.37 7.10 3.7 4.0 7.7 9.0 0.001 0.001 0.12 0.08
26.2 32.1 8.30 109.5 7.38 3.6
Middle 6 25.5 33.6 8.27 100.5 6.85 4.0 8.3 0.001 0.07
25.4 33.7 8.27 100.0 6.81 4.1
Bottom 10.5 25.3 33.9 8.26 96.0 6.52 6.52 4.2 11.1 0.001 0.04
25.3 33.9 8.26 95.9 6.51 4.6
Other Observations: Nil
SR3 10:33 Surface 1 26.2 33.2 8.34 113.9 7.70 7.47 4.8 4.3 10.1 12.0 N.A. N.A. N.A. N.A.
26.2 33.2 8.35 113.4 7.69 4.8
Middle 4.5 25.4 34.2 8.33 106.9 7.25 4.0 9.7 N.A. N.A.
25.4 34.2 8.33 106.6 7.23 3.8
Bottom 7.5 25.2 34.3 8.31 98.9 6.71 6.69 4.3 16.1 N.A. N.A.
25.2 34.3 8.30 97.8 6.67 4.3
Other Observations: 1 no. of dredger at 30 m
SR4 10:15 Surface 1 25.8 33.2 8.38 119.9 8.06 7.91 1.5 2.8 11.7 8.6 0.001 0.001 0.02 0.01*
25.8 33.2 8.37 120.2 8.11 1.5
Middle 4 25.5 33.5 8.37 114.2 7.74 2.5 6.5 0.001 <0.01
25.5 33.5 8.38 114.0 7.72 2.5
Bottom 7 25.2 34.1 8.31 99.9 6.82 6.80 4.5 7.7 0.001 <0.01
25.2 34.2 8.30 99.6 6.78 4.5
Other Observations: Nil
SR5 10:00 Surface 1 25.6 33.4 8.33 111.7 7.56 7.00 1.7 5.2 9.1 12.3 0.001 0.001 0.03 0.04
25.6 33.3 8.33 111.8 7.57 1.7
Middle 4.5 25.0 34.4 8.27 94.7 6.44 7.4 11.3 0.001 0.03
25.0 34.4 8.27 94.6 6.43 7.4
Bottom 7.5 24.9 34.3 8.25 88.8 6.14 6.14 6.4 16.5 0.002 0.05
24.9 34.4 8.25 88.6 6.13 6.3
Other Observations: Nil
SR6 09:40 Surface 1 25.7 32.5 8.35 116.3 7.87 7.36 2.6 3.2 8.5 8.4 0.001 0.001 0.07 0.04
25.7 32.5 8.35 116.4 7.88 2.7
Middle 5.5 25.1 33.6 8.28 99.1 6.90 2.9 9.1 0.001 0.02
25.1 33.6 8.28 98.6 6.79 3.1
Bottom 10 24.9 34.4 8.27 91.1 6.20 6.20 4.1 7.7 0.001 0.03
24.9 34.3 8.27 91.0 6.20 3.9
Other Observations: Nil
SR7 09:25 Surface 1 25.9 33.0 8.37 124.5 8.39 8.03 1.2 2.4 6.1 6.2 0.001 0.001* 0.05 0.03*
25.9 33.0 8.37 124.6 8.39 1.1
Middle 11 25.3 34.0 8.34 113.3 7.65 1.1 2.9 <0.001 <0.01
25.3 34.0 8.34 113.5 7.67 1.2
Bottom 21 24.9 34.3 8.26 91.3 6.23 6.22 4.9 9.6 0.001 0.03
24.9 34.3 8.26 91.0 6.21 5.0
Other Observations: Nil
C1 07:20 Surface 1 25.5 32.5 8.17 95.5 6.40 6.59 12.6 8.8 8.6 9.1 0.002 0.001 0.12 0.06
25.5 32.5 8.21 95.9 6.50 12.6
Middle 12.5 25.2 33.9 8.24 99.0 6.73 5.5 9.0 0.001 0.03
25.2 34.1 8.25 98.8 6.72 5.5
Bottom 24 25.1 34.0 8.25 97.4 6.65 6.65 8.2 9.8 0.001 0.03
25.1 34.1 8.25 97.4 6.64 8.2
Other Observations: Nil
C2 07:45 Surface 1 25.6 30.8 8.21 94.6 6.49 6.62 4.0 4.3 6.6 8.3 0.005 0.003 0.30 0.20
25.6 30.8 8.22 94.9 6.52 4.0
Middle 7 25.3 33.4 8.26 99.3 6.74 4.3 9.4 0.002 0.17
25.3 33.5 8.26 99.3 6.74 4.3
Bottom 12.5 25.0 34.3 8.26 94.2 6.41 6.41 4.6 9.0 0.002 0.12
25.0 34.3 8.26 94.0 6.40 4.6
Other Observations: Nil
C3 08:05 Surface 1 25.4 31.4 8.20 89.6 6.16 6.24 4.2 3.5 8.4 8.3 0.004 0.004 0.35 0.27
25.4 31.3 8.20 89.7 6.15 4.2
Middle 5 25.4 32.3 8.20 92.5 6.33 3.5 9.2 0.004 0.27
25.5 32.1 8.20 92.2 6.30 3.5
Bottom 8.5 25.3 33.5 8.25 101.1 6.92 6.92 2.8 7.2 0.004 0.19
25.3 33.5 8.26 101.0 6.91 2.8
Other Observations: Nil
C4 08:30 Surface 1 25.9 32.2 8.30 109.6 7.39 7.62 2.2 1.6 4.4 6.1 0.002 0.002* 0.14 0.10
25.9 32.1 8.30 110.0 7.46 2.2
Middle 6.5 25.5 33.6 8.31 115.8 7.81 1.2 7.0 0.002 0.14
25.5 33.7 8.32 116.0 7.81 1.2
Bottom 12 25.1 34.4 8.29 101.4 6.92 6.91 1.4 6.8 <0.001 0.02
25.1 34.5 8.30 101.2 6.90 1.4
Other Observations: Nil
C5 09:00 Surface 1 25.8 33.0 8.38 127.3 8.59 7.85 8.0 3.3 8.8 8.0 0.004 0.002 0.04 0.02*
25.8 33.0 8.58 127.4 8.58 8.0
Middle 11 25.6 33.9 8.30 105.4 7.12 1.9 6.6 0.001 <0.01
25.6 33.9 8.30 105.3 7.10 1.9
Bottom 21 25.6 34.0 8.29 99.5 6.70 6.71 0.1 8.6 0.001 <0.01
25.6 34.0 8.29 99.6 6.71 0.1
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 15/5/2001  
Weather: Cloudy
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 19:10 Surface 1 26.2 32.3 8.37 109.5 7.28 6.91 3.3 5.4 9.4 11.9 0.001 0.002 0.07 0.06
26.2 32.4 8.37 110.1 7.31 3.2
Middle 13 25.6 33.1 8.28 96.2 6.52 3.0 10.2 0.002 0.08
25.6 33.2 8.28 96.3 6.53 3.0
Bottom 25 25.1 34.3 8.28 88.2 6.00 6.01 10.0 16.0 0.002 0.03
25.1 34.3 8.28 88.4 6.01 9.9
Other Observations: Nil
SR2 18:58 Surface 1 26.5 31.7 8.40 118.1 7.95 7.00 2.5 2.9 14.0 12.7 0.001 0.001 0.09 0.10
26.5 31.7 8.40 118.3 7.96 2.6
Middle 6 25.5 32.2 8.31 89.6 6.04 3.5 8.0 0.001 0.10
25.5 32.2 8.29 89.7 6.04 3.5
Bottom 10.5 25.4 33.3 8.29 94.3 6.38 6.40 2.7 16.0 0.002 0.10
25.3 33.4 8.29 94.5 6.41 2.6
Other Observations: Nil
SR3 18:40 Surface 1 27.0 33.0 8.42 120.7 7.98 8.01 5.2 9.6 18.0 12.9 N.A. N.A. N.A. N.A.
27.0 33.0 8.42 121.0 8.00 4.8
Middle 4 26.9 33.1 8.42 120.9 8.03 4.1 7.6 N.A. N.A.
26.9 33.2 8.42 120.9 8.02 4.4
Bottom 7 25.4 34.2 8.30 91.6 6.14 6.16 19.5 13.0 N.A. N.A.
25.4 34.2 8.30 92.0 6.17 19.5
Other Observations: 3 nos. of dredgers at 50 m
SR4 18:25 Surface 1 26.6 33.3 8.43 117.9 7.84 7.99 2.1 3.0 6.6 7.3 0.001 0.001 0.01 0.01*
26.6 33.3 8.44 118.4 7.89 2.1
Middle 4 26.6 33.2 8.44 121.9 8.12 2.5 5.0 0.001 0.01
26.6 33.2 8.44 121.9 8.12 2.3
Bottom 6.5 25.6 33.8 8.33 103.2 6.92 6.93 4.1 10.2 0.001 <0.01
25.6 33.8 8.33 103.5 6.93 4.6
Other Observations: Nil
SR5 18:12 Surface 1 26.3 33.2 8.45 125.8 8.39 8.37 2.3 1.9 11.4 9.5 0.001 0.001 <0.01 0.01*
26.3 33.3 8.46 126.0 8.43 2.2
Middle 4 26.3 33.2 8.44 124.0 8.33 1.6 6.8 0.001 0.01
26.3 33.2 8.44 123.8 8.31 1.6
Bottom 7 25.7 33.7 8.40 117.3 7.92 7.91 1.8 10.4 0.001 0.01
25.7 33.7 8.40 117.1 7.90 1.7
Other Observations: Nil
SR6 17:55 Surface 1 25.8 33.4 8.42 121.7 8.20 7.97 1.0 1.3 9.6 8.5 0.001 0.001 0.01 0.01
25.8 33.4 8.42 122.0 8.22 0.9
Middle 5.5 25.6 33.6 8.38 114.4 7.73 1.2 9.4 0.001 0.01
25.6 33.7 8.38 114.3 7.72 1.4
Bottom 10 25.5 33.9 8.36 108.0 7.29 7.29 1.5 6.4 0.001 0.01
25.5 33.9 8.36 107.9 7.28 1.5
Other Observations: Nil
SR7 17:40 Surface 1 25.9 33.6 8.37 114.2 7.68 7.48 2.8 2.2 13.0 12.3 0.001 0.001 <0.01 0.01*
25.9 33.7 8.37 114.2 7.68 2.7
Middle 11 25.4 34.0 8.33 107.9 7.28 2.1 14.0 0.001 0.01
25.4 34.1 8.33 108.0 7.29 2.0
Bottom 21 25.1 34.2 8.28 96.3 6.58 6.57 1.7 10.0 0.001 0.02
25.1 34.3 8.28 96.3 6.55 1.8
Other Observations: Nil
C1 15:30 Surface 1 26.3 32.1 8.48 118.4 7.96 7.25 3.9 3.5 17.2 13.8 0.003 0.002 0.10 0.09
26.3 32.0 8.49 118.5 7.96 3.7
Middle 12 25.6 33.3 8.30 95.7 6.53 3.2 16.2 0.002 0.07
25.6 33.3 8.30 95.5 6.53 3.1
Bottom 22.5 25.1 33.9 8.27 87.1 6.01 6.02 3.4 8.0 0.002 0.10
25.1 33.9 8.27 87.3 6.02 3.4
Other Observations: Nil
C2 15:50 Surface 1 25.9 31.7 8.32 100.7 6.83 6.83 2.9 3.1 9.4 10.3 0.001 0.001 0.18 0.16
25.9 31.7 8.31 100.8 6.85 2.8
Middle 6.5 25.9 32.2 8.31 100.5 6.81 3.3 9.4 0.001 0.17
25.9 32.2 8.31 100.5 6.81 3.3
Bottom 12 25.7 32.7 8.29 94.6 6.50 6.48 3.2 12.2 0.002 0.12
25.6 32.8 8.29 94.5 6.46 3.3
Other Observations: Nil
C3 16:10 Surface 1 26.3 30.5 8.18 112.4 7.64 6.83 3.3 3.8 10.4 8.9 0.001 0.002 0.24 0.20
26.3 30.5 8.19 112.5 7.66 3.1
Middle 4.5 25.4 32.5 8.08 87.8 6.01 5.1 6.8 0.002 0.18
25.4 32.5 8.07 87.9 6.02 4.9
Bottom 8 25.2 33.1 8.08 88.1 6.10 6.09 3.3 9.6 0.002 0.18
25.2 33.1 8.08 88.0 6.08 3.3
Other Observations: Nil
C4 16:35 Surface 1 26.3 32.9 8.37 125.5 8.41 8.38 3.3 2.1 6.8 7.8 0.002 0.001* 0.03 0.02
26.4 32.9 8.37 125.6 8.42 3.7
Middle 6.5 26.1 33.1 8.36 124.2 8.35 1.9 5.4 0.001 0.02
26.1 33.1 8.36 124.3 8.35 1.7
Bottom 12 26.0 33.3 8.35 120.9 8.14 8.14 1.0 11.2 <0.001 0.02
26.0 33.3 8.35 120.9 8.14 1.0
Other Observations: Nil
C5 17:15 Surface 1 26.0 33.6 8.31 106.8 7.14 7.25 1.2 1.4 7.4 8.0 0.001 0.001* <0.01 0.01*
26.0 33.6 8.31 107.0 7.18 1.2
Middle 11 25.9 34.1 8.32 109.4 7.33 2.6 10.2 <0.001 <0.01
25.9 34.2 8.33 109.4 7.33 2.6
Bottom 21 25.4 34.5 8.25 93.0 6.31 6.29 0.5 6.4 0.001 0.01
25.4 34.5 8.25 92.8 6.26 0.5
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.