Date: 18/4/2001  
Weather: Rainy
Sea Condition: Rough
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 16:13 Surface 1 22.4 33.9 8.29 103.9 7.41 7.15 3.3 5.3 5.0 6.7 0.001 0.001 0.07 0.06
22.3 33.9 8.29 103.8 7.40 3.4
Middle 12.5 21.9 34.5 8.27 96.3 6.90 5.2 8.0 0.001 0.06
21.9 34.4 8.27 96.3 6.90 5.3
Bottom 24 21.8 34.2 8.27 96.1 6.93 6.92 7.3 7.2 0.001 0.04
21.8 34.1 8.27 96.0 6.90 7.3
Other Observations: Nil
SR2 15:57 Surface 1 22.8 33.7 8.29 104.7 7.44 7.30 3.5 5.0 8.4 9.9 0.001 0.001 0.06 0.05
22.8 33.7 8.29 105.0 7.45 3.5
Middle 5.5 22.2 34.2 8.27 100.1 7.15 4.0 6.8 0.001 0.04
22.3 34.2 8.27 100.2 7.15 4.0
Bottom 10 22.0 34.2 8.27 96.8 6.89 6.89 7.4 14.6 0.001 0.05
22.0 34.1 8.27 96.8 6.89 7.4
Other Observations: Nil
SR3 15:37 Surface 1 23.0 33.9 8.39 102.6 7.33 7.28 3.0 3.9 10.0 9.5 N.A. N.A. N.A. N.A.
23.0 33.9 8.39 102.8 7.30 3.1
Middle 4 22.6 34.5 8.33 100.2 7.23 4.4 9.6 N.A. N.A.
22.6 34.5 8.33 100.6 7.24 4.5
Bottom 7 22.1 34.6 8.28 99.8 7.13 7.13 4.3 8.8 N.A. N.A.
22.1 34.6 8.28 99.7 7.12 4.3
Other Observations: Nil
SR4 15:15 Surface 1 23.7 33.5 8.47 104.2 7.00 7.01 5.7 5.4 14.6 14.0 <0.001 <0.001 <0.01 0.01*
23.7 33.5 8.47 104.0 6.98 5.7
Middle 3.5 23.3 33.7 8.43 105.2 7.05 5.5 15.6 <0.001 0.01
23.6 33.7 8.43 105.8 7.02 5.5
Bottom 6 22.0 34.3 8.30 100.4 7.19 7.19 4.9 11.8 <0.001 <0.01
22.0 34.3 8.30 100.4 7.19 4.9
Other Observations: Nil
SR5 14:57 Surface 1 23.0 33.9 8.42 102.8 7.61 7.82 3.3 3.3 10.2 9.5 <0.001 <0.001 0.04 0.03
23.0 33.9 8.42 103.1 7.65 3.4
Middle 4.5 22.4 34.5 8.34 110.9 8.01 3.0 9.2 <0.001 0.03
22.4 34.5 8.34 110.7 8.01 3.0
Bottom 7.5 22.1 34.4 8.30 101.5 7.23 7.23 3.6 9.2 <0.001 0.03
22.0 34.5 8.29 101.1 7.23 3.7
Other Observations: Nil
SR6 14:41 Surface 1 22.7 34.2 8.38 96.8 7.01 7.10 2.9 5.1 7.8 9.0 <0.001 0.001* 0.03 0.04
22.7 34.2 8.38 96.8 7.05 3.0
Middle 6 22.0 34.8 8.30 100.0 7.16 5.0 8.2 0.001 0.03
22.0 34.8 8.30 100.2 7.17 5.1
Bottom 10.5 21.7 35.0 8.26 89.5 6.42 6.42 7.2 11.0 0.001 0.05
21.7 35.0 8.26 89.4 6.42 7.1
Other Observations: Nil
SR7 14:26 Surface 1 22.8 33.9 8.39 96.4 6.95 6.85 2.2 4.4 7.0 8.6 0.001 0.001* 0.03 0.04
22.8 33.9 8.39 96.8 6.94 2.3
Middle 11 21.7 34.5 8.27 93.9 6.76 4.0 8.8 <0.001 0.03
21.7 34.4 8.27 93.9 6.76 4.2
Bottom 21 21.6 34.2 8.25 88.8 6.40 6.40 6.8 10.0 0.001 0.06
21.6 34.2 8.25 88.7 6.40 6.8
Other Observations: Nil
C1 16:46 Surface 1 22.2 34.2 8.27 107.4 7.57 7.41 3.8 6.4 8.0 9.4 0.001 0.001 0.08 0.07
22.2 34.2 8.27 107.5 7.58 3.8
Middle 14.5 22.0 34.6 8.28 101.2 7.24 6.4 7.0 0.001 0.07
22.0 34.6 8.28 101.2 7.24 6.4
Bottom 27.5 21.9 34.4 8.25 96.8 6.80 6.85 8.9 13.2 0.001 0.06
21.9 34.4 8.25 96.9 6.90 8.9
Other Observations: Nil
C2 16:30 Surface 1 22.1 34.4 8.28 100.5 7.18 7.15 7.6 7.5 10.4 12.2 0.002 0.001 0.07 0.07
22.1 34.4 8.28 100.5 7.18 7.6
Middle 7 22.1 34.9 8.28 99.8 7.11 7.8 13.2 0.001 0.06
22.1 34.9 8.28 99.9 7.12 7.8
Bottom 13 22.1 34.9 8.27 98.4 7.02 7.02 7.0 13.0 0.001 0.09
22.1 34.9 8.27 98.5 7.02 7.0
Other Observations: Nil
C3 13:14 Surface 1 23.4 33.7 8.30 97.2 6.98 6.97 3.0 3.6 6.6 9.3 0.002 0.002 0.09 0.11
23.4 33.7 8.30 97.5 6.96 3.0
Middle 4.5 22.6 34.2 8.22 95.1 6.96 3.5 10.0 0.001 0.09
22.6 34.1 8.22 95.2 6.97 3.5
Bottom 8 21.9 34.0 8.19 94.2 6.68 6.68 4.4 11.2 0.004 0.16
21.9 34.0 8.19 93.6 6.67 4.4
Other Observations: Nil
C4 13:37 Surface 1 23.1 33.4 8.46 107.7 8.53 7.99 2.8 3.5 11.8 11.3 0.001 0.001 0.05 0.07
23.1 33.4 8.46 107.2 8.50 2.8
Middle 6.5 22.1 34.1 8.25 103.3 7.47 3.9 12.4 0.001 0.07
22.1 34.1 8.25 103.8 7.47 3.9
Bottom 12 21.8 34.2 8.24 97.7 6.97 6.97 3.7 9.6 0.001 0.10
21.8 34.2 8.24 97.3 6.96 3.7
Other Observations: Nil
C5 14:03 Surface 1 22.8 33.9 8.33 111.2 7.88 7.76 0.3 2.1 4.6 7.9 0.001 0.001* 0.01 0.01*
22.8 33.9 8.33 111.2 7.88 0.3
Middle 11.5 21.9 34.7 8.30 106.8 7.65 0.8 9.6 <0.001 0.01
21.9 34.8 8.30 106.8 7.64 0.8
Bottom 21.5 21.6 34.5 8.24 93.8 6.72 6.72 5.2 9.6 <0.001 <0.01
21.6 34.5 8.24 93.5 6.71 5.2
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 18/4/2001  
Weather: Cloudy
Sea Condition: Rough
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 12:55 Surface 1 22.3 34.0 8.25 101.0 7.21 7.18 5.6 5.2 11.8 12.6 0.002 0.001* 0.09 0.07
22.3 34.0 8.25 100.8 7.20 5.6
Middle 13 22.2 34.4 8.26 100.2 7.16 4.4 12.8 <0.001 0.05
22.2 34.4 8.26 100.3 7.16 4.3
Bottom 25 21.9 34.3 8.26 98.3 7.04 7.04 5.7 13.2 0.001 0.06
21.9 34.3 8.26 98.2 7.04 5.7
Other Observations: Nil
SR2 12:42 Surface 1 21.8 34.0 8.26 107.0 7.57 7.42 3.5 3.5 16.2 11.0 0.001 0.001* 0.08 0.05
22.8 34.0 8.26 106.9 7.57 3.4
Middle 5 22.6 34.6 8.27 101.4 7.24 4.5 8.0 0.001 0.05
22.6 34.6 8.27 102.1 7.29 4.7
Bottom 9 22.1 34.4 8.25 101.2 7.24 7.24 2.5 8.8 <0.001 0.03
22.1 34.4 8.25 101.2 7.24 2.5
Other Observations: Nil
SR3 12:23 Surface 1 23.4 34.1 8.38 101.2 6.94 6.98 3.1 3.8 8.6 9.7 N.A. N.A. N.A. N.A.
23.4 34.1 8.38 101.8 6.94 3.0
Middle 4 23.4 34.6 8.37 102.6 7.00 2.4 12.4 N.A. N.A.
23.4 34.5 8.37 103.4 7.05 2.5
Bottom 6.5 22.0 35.0 8.27 103.2 7.24 7.24 6.0 8.0 N.A. N.A.
22.0 35.0 8.27 102.7 7.24 5.9
Other Observations: Nil
SR4 12:00 Surface 1 24.1 33.7 8.45 101.2 7.24 7.37 3.4 5.5 15.4 13.4 0.001 0.001* <0.01 0.01*
24.1 33.7 8.44 101.4 7.26 3.5
Middle 4 22.9 34.3 8.33 108.6 7.48 6.0 13.2 <0.001 0.01
22.7 34.3 8.33 109.5 7.48 5.9
Bottom 7 22.1 34.4 8.29 101.6 7.24 7.25 7.2 11.6 <0.001 <0.01
22.2 34.5 8.30 102.4 7.26 7.2
Other Observations: Nil
SR5 11:45 Surface 1 23.3 34.0 8.37 106.3 7.62 7.39 2.4 4.5 8.4 9.3 0.001 0.001* <0.01 0.02*
23.1 34.1 8.38 106.5 7.70 2.3
Middle 4 22.1 34.6 8.31 103.5 7.18 5.0 8.2 <0.001 0.04
22.1 34.7 8.31 104.8 7.04 5.1
Bottom 7 21.9 34.4 8.29 99.5 7.13 7.19 6.1 11.4 <0.001 <0.01
21.9 34.6 8.30 101.3 7.25 6.0
Other Observations: Nil
SR6 11:28 Surface 1 23.4 33.9 8.41 101.4 7.12 7.24 2.1 3.0 8.0 7.9 <0.001 <0.001 <0.01 0.02*
23.6 34.1 8.42 101.7 7.16 2.6
Middle 5.5 22.9 34.4 8.37 108.4 7.38 2.4 8.8 <0.001 <0.01
22.6 34.7 8.35 107.5 7.30 2.6
Bottom 10 21.9 35.0 8.30 106.1 7.52 7.52 4.3 6.8 <0.001 0.03
21.8 35.1 8.29 106.9 7.52 4.2
Other Observations: Nil
SR7 11:10 Surface 1 23.4 33.4 8.45 98.6 7.06 7.05 2.8 7.8 6.8 9.1 0.001 0.001* <0.01 0.05*
23.4 33.2 8.47 98.8 7.08 2.5
Middle 11 21.7 34.5 8.27 98.4 7.01 6.5 12.8 <0.001 0.11
21.7 34.6 8.28 98.8 7.04 6.2
Bottom 20.5 21.6 34.1 8.25 91.0 6.55 6.55 14.3 7.8 <0.001 0.04
21.6 34.2 8.26 90.6 6.54 14.4
Other Observations: Nil
C1 08:45 Surface 1 22.1 33.8 8.21 97.4 6.99 7.00 4.9 8.7 10.6 26.1 0.003 0.002 0.10 0.10
22.1 33.8 8.21 97.3 6.97 4.9
Middle 14.5 21.8 34.6 8.23 97.7 7.02 5.7 11.8 0.001 0.05
21.8 34.6 8.23 97.7 7.01 5.7
Bottom 27.5 21.7 34.1 8.22 96.5 6.96 6.97 15.8 56.0 0.003 0.14
21.7 34.1 8.22 96.5 6.97 15.4
Other Observations: Nil
C2 09:05 Surface 1 22.1 33.8 8.21 95.7 6.86 6.88 3.5 5.6 8.6 10.7 0.004 0.003 0.13 0.09
22.1 33.8 8.21 95.7 6.86 3.5
Middle 6.5 22.1 34.5 8.23 96.5 6.89 4.3 8.6 0.003 0.10
22.1 34.6 8.23 96.5 6.89 4.3
Bottom 12 21.8 34.9 8.25 95.7 6.86 6.86 9.0 15.0 0.002 0.05
21.8 34.8 8.25 95.7 6.86 9.1
Other Observations: Nil
C3 09:35 Surface 1 22.4 33.5 8.20 93.2 6.69 6.75 2.5 3.5 9.6 11.9 0.003 0.002 0.15 0.10
22.4 33.5 8.20 93.7 6.69 2.5
Middle 4.5 22.0 34.1 8.21 95.5 6.82 3.8 10.4 0.003 0.11
22.0 34.1 8.21 95.0 6.81 3.8
Bottom 8 21.8 34.5 8.26 95.8 6.88 6.88 4.2 15.6 0.001 0.05
21.8 34.5 8.26 95.8 6.88 4.2
Other Observations: Nil
C4 10:02 Surface 1 23.0 34.4 8.38 101.0 7.27 7.10 2.5 3.9 8.2 7.5 <0.001 0.001* 0.01 0.04
22.9 34.4 8.38 101.2 7.24 2.5
Middle 6 21.9 34.2 8.25 98.0 6.91 3.3 3.8 0.001 0.08
22.0 34.2 8.25 98.7 6.97 3.2
Bottom 11 21.7 34.8 8.25 94.2 6.74 6.74 5.9 10.4 0.001 0.03
21.7 34.9 8.25 94.2 6.73 5.8
Other Observations: Nil
C5 10:45 Surface 1 22.9 33.5 8.35 104.2 7.34 7.49 1.9 5.8 7.0 8.5 <0.001 0.001* 0.05 0.03
22.9 33.4 8.37 104.0 7.32 1.5
Middle 12 21.8 33.4 8.30 105.2 7.56 8.2 8.6 <0.001 0.01
21.8 34.5 8.32 108.6 7.74 8.2
Bottom 22.5 21.6 33.8 8.25 91.3 6.60 6.68 7.9 10.0 0.001 0.02
21.6 34.0 8.27 93.5 6.75 7.2
Other Observations: Nil
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.