Date: 23/4/2001  
Weather: Overcast
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 14:14 Surface 1 22.4 33.4 8.24 90.2 6.50 6.48 8.6 8.6 8.5 10.0 0.007 0.007 0.18 0.17
22.3 33.4 8.24 90.5 6.55 8.3
Middle 13 22.3 33.9 8.24 90.4 6.45 8.1 11.1 0.006 0.16
22.3 33.7 8.24 90.5 6.40 8.6
Bottom 24.5 22.4 33.6 8.24 90.2 6.25 6.23 9.0 10.5 0.007 0.16
22.3 33.7 8.24 90.1 6.20 8.9
Other Observations: Nil.
SR2 14:01 Surface 1 22.4 33.0 8.20 92.4 6.61 6.63 6.1 6.8 8.3 9.8 0.007 0.007 0.22 0.21
22.4 32.9 8.20 92.6 6.62 6.6
Middle 5.5 22.4 33.6 8.21 92.1 6.65 6.6 10.1 0.007 0.23
22.4 33.6 8.21 92.5 6.65 7.0
Bottom 10 22.4 33.8 8.21 92.8 6.60 6.63 7.6 10.9 0.006 0.19
22.4 33.8 8.22 92.7 6.65 6.6
Other Observations: Nil.
SR3 13:37 Surface 1 22.8 34.1 8.30 92.6 6.50 6.53 10.5 12.5 12.7 13.2 N.A. N.A. N.A. N.A.
22.9 34.1 8.30 92.6 6.55 10.0
Middle 4 22.6 34.6 8.30 92.8 6.52 12.5 13.9 N.A. N.A.
22.6 34.5 8.30 92.5 6.53 11.2
Bottom 6.5 22.3 34.6 8.29 93.1 6.51 6.52 15.1 13.1 N.A. N.A.
22.2 34.5 8.30 92.9 6.52 15.5
Other Observations: Smpl loc. blocked
SR4 13:18 Surface 1 22.5 34.0 8.32 92.2 6.54 6.53 6.0 6.4 9.9 10.2 0.001 0.001 0.03 0.03
22.5 33.9 8.32 92.7 6.52 6.0
Middle 4 22.5 34.5 8.32 92.6 6.52 6.2 10.1 0.001 0.03
22.5 34.3 8.32 92.5 6.52 7.0
Bottom 6.5 22.4 34.3 8.31 92.8 6.50 6.51 6.3 10.7 0.001 0.04
22.4 34.3 8.31 92.7 6.52 6.6
Other Observations: Nil.
SR5 13:04 Surface 1 22.3 34.0 8.32 93.0 6.56 6.56 11.3 13.5 10.3 12.6 0.001 0.002 0.04 0.05
22.3 34.0 8.32 93.2 6.52 12.1
Middle 4 22.2 34.5 8.32 93.2 6.58 12.0 13.7 0.003 0.07
22.2 34.4 8.32 93.2 6.58 11.7
Bottom 7 22.1 34.5 8.31 92.6 6.60 6.61 17.2 13.9 0.002 0.04
22.1 34.4 8.32 92.1 6.62 16.7
Other Observations: Nil.
SR6 12:53 Surface 1 22.2 34.0 8.33 90.2 6.30 6.33 8.4 10.4 10.9 11.7 0.002 0.001 0.03 0.04
22.2 33.9 8.33 90.5 6.34 8.3
Middle 5.5 22.2 34.2 8.32 90.8 6.34 9.6 11.1 0.001 0.05
22.2 34.1 8.33 91.2 6.34 10.5
Bottom 10 22.1 34.5 8.32 90.8 6.38 6.38 12.8 13.1 0.001 0.03
22.1 34.5 8.32 90.8 6.38 12.5
Other Observations: Nil.
SR7 12:40 Surface 1 22.1 34.6 8.33 92.1 6.54 6.54 8.8 9.1 10.3 12.5 0.001 0.002 0.03 0.04
22.1 34.6 8.33 92.2 6.50 8.8
Middle 11 22.1 34.9 8.33 92.6 6.55 9.3 15.7 0.002 0.03
22.1 34.9 8.33 92.7 6.56 9.1
Bottom 21 22.1 34.6 8.32 92.8 6.56 6.56 9.5 11.5 0.002 0.07
22.1 34.7 8.32 92.9 6.56 9.3
Other Observations: Nil.
C1 10:57 Surface 1 22.4 33.9 8.29 93.0 6.50 6.53 5.7 6.2 12.1 13.8 0.003 0.003 0.09 0.11
22.4 34.0 8.29 93.2 6.52 6.4
Middle 13.5 22.2 34.4 8.28 93.2 6.55 5.5 16.5 0.003 0.10
22.2 34.7 8.28 93.2 6.55 5.5
Bottom 26 22.1 34.5 8.28 93.2 6.48 6.47 7.3 12.7 0.004 0.13
22.1 34.6 8.28 93.2 6.45 7.0
Other Observations: Nil.
C2 11:16 Surface 1 22.4 33.9 8.25 91.8 6.34 6.32 6.1 6.2 11.4 11.0 0.005 0.005 0.17 0.16
22.4 33.8 8.25 91.6 6.32 6.0
Middle 7 22.3 34.1 8.25 92.1 6.30 5.8 9.8 0.005 0.15
22.3 34.1 8.25 92.0 6.32 6.0
Bottom 12.5 22.3 34.5 8.24 92.0 6.35 6.35 7.0 11.8 0.004 0.17
22.3 34.5 8.26 92.1 6.35 6.4
Other Observations: Nil.
C3 11:39 Surface 1 22.5 33.3 8.27 90.2 6.28 6.31 12.0 12.9 14.6 14.8 0.003 0.002 0.12 0.10
22.5 33.3 8.27 90.6 6.30 11.8
Middle 5 22.4 33.7 8.27 90.8 6.32 13.3 16.6 0.003 0.11
22.4 33.7 8.27 90.8 6.34 12.6
Bottom 8.5 22.4 33.8 8.25 91.1 6.35 6.37 13.2 13.2 0.001 0.08
22.4 33.9 8.27 91.1 6.38 14.3
Other Observations: Nil.
C4 11:55 Surface 1 22.0 34.0 8.29 92.5 6.61 6.61 12.4 13.9 15.2 17.0 0.002 0.002 0.06 0.07
22.0 34.0 8.30 92.1 6.62 12.0
Middle 6.5 22.1 33.7 8.29 92.6 6.60 12.8 16.6 0.002 0.08
22.1 34.0 8.29 92.8 6.62 12.6
Bottom 12 22.1 34.0 8.28 92.8 6.61 6.61 17.1 19.3 0.003 0.08
22.1 34.1 8.28 92.6 6.60 16.4
Other Observations: Nil.
C5 12:25 Surface 1 22.1 34.2 8.33 93.5 6.73 6.72 7.1 9.0 11.8 13.7 0.001 0.001 0.05 0.04
22.1 34.2 8.33 93.2 6.74 7.4
Middle 12.5 22.0 34.8 8.32 93.2 6.70 11.1 12.8 0.001 0.03
22.0 34.8 8.33 93.3 6.72 9.0
Bottom 24 22.0 34.6 8.32 93.2 6.70 6.70 9.3 16.4 0.001 0.05
22.0 34.5 8.32 93.2 6.70 10.1
Other Observations: Nil.
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.
Date: 23/4/2001  
Weather: Cloudy
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 19:22 Surface 1 22.3 34.0 8.29 87.4 6.42 6.37 8.8 9.7 12.0 16.1 0.008 0.006 0.18 0.11
22.3 34.0 8.29 87.2 6.40 7.9
Middle 13.5 22.3 34.1 8.30 86.5 6.32 8.8 14.4 0.006 0.10
22.3 34.1 8.30 86.4 6.34 8.8
Bottom 26 22.3 34.0 8.29 83.2 6.20 6.21 11.3 22.0 0.003 0.04
22.3 33.9 8.30 83.1 6.22 12.5
Other Observations: Nil.
SR2 19:10 Surface 1 22.6 32.9 8.23 86.8 6.38 6.43 7.5 8.8 8.8 11.7 0.009 0.007 0.23 0.19
22.6 32.8 8.23 86.7 6.48 6.1
Middle 5.5 22.7 33.2 8.23 87.1 6.40 10.0 8.2 0.007 0.19
22.7 33.2 8.23 87.2 6.46 9.6
Bottom 10 22.7 33.1 8.21 83.1 6.21 6.22 9.1 18.0 0.006 0.16
22.7 33.2 8.22 83.2 6.22 10.2
Other Observations: Nil.
SR3 18:51 Surface 1 22.5 34.2 8.32 82.1 6.10 6.11 13.6 19.3 19.4 22.4 N.A. N.A. N.A. N.A.
22.5 34.1 8.32 82.0 6.10 13.6
Middle 5 22.5 34.3 8.31 81.6 6.11 16.3 20.0 N.A. N.A.
22.5 34.2 8.31 81.8 6.11 14.9
Bottom 8.5 22.4 34.4 8.26 79.6 6.05 6.09 29.1 27.8 N.A. N.A.
22.5 34.4 8.29 80.5 6.12 28.3
Other Observations: Smpl loc. blocked
SR4 18:33 Surface 1 22.6 33.8 8.33 81.8 6.12 6.17 6.5 7.1 13.4 13.2 0.001 0.001 0.02 0.02
22.6 33.8 8.33 81.9 6.13 5.8
Middle 4 22.6 33.9 8.31 83.4 6.21 6.3 12.2 0.001 0.02
22.6 33.8 8.32 83.6 6.22 5.9
Bottom 6.5 22.3 33.9 8.28 82.8 6.28 6.29 9.2 14.0 0.002 0.03
22.4 34.0 8.30 82.9 6.30 8.8
Other Observations: Nil.
SR5 18:21 Surface 1 22.2 33.8 8.33 83.2 6.32 6.21 9.4 10.0 10.2 14.8 0.001 0.001 0.02 0.02
22.2 33.8 8.33 83.5 6.30 9.8
Middle 4 22.3 34.2 8.32 81.2 6.10 10.1 19.4 0.001 0.02
22.3 34.1 8.32 81.5 6.12 9.9
Bottom 7 22.2 34.2 8.28 82.1 6.20 6.23 10.7 14.8 0.001 0.03
22.3 34.1 8.30 82.3 6.25 9.9
Other Observations: Nil.
SR6 18:09 Surface 1 22.3 34.4 8.32 82.1 6.18 6.20 8.5 10.2 13.8 14.4 0.001 0.001 0.02 0.03
22.2 34.3 8.32 82.1 6.16 7.9
Middle 5.5 22.2 34.3 8.31 83.0 6.21 10.5 13.2 0.002 0.03
22.2 34.2 8.31 83.0 6.23 9.8
Bottom 9.5 22.2 34.4 8.29 83.8 6.28 6.29 12.4 16.2 0.001 0.04
22.2 34.4 8.30 83.8 6.30 12.3
Other Observations: Nil.
SR7 17:57 Surface 1 22.1 34.0 8.33 84.6 6.40 6.32 8.8 9.4 13.4 14.4 0.001 0.001 0.02 0.02
22.1 34.0 8.33 84.8 6.46 9.0
Middle 10.5 22.2 34.4 8.31 82.1 6.20 9.2 15.4 0.001 0.02
22.2 34.3 8.32 82.3 6.22 9.3
Bottom 20.5 22.2 34.1 8.30 82.9 6.28 6.29 10.4 14.3 0.001 0.02
22.2 34.0 8.30 83.0 6.30 9.8
Other Observations: Nil.
C1 15:44 Surface 1 22.6 32.6 8.14 90.2 6.50 6.48 7.2 8.1 10.3 11.8 0.006 0.006 0.20 0.17
22.7 32.6 8.14 90.5 6.47 7.2
Middle 12 22.2 34.0 8.15 90.5 6.48 8.6 11.7 0.009 0.20
22.2 33.9 8.15 90.5 6.48 8.6
Bottom 23 22.2 34.0 8.15 90.8 6.46 6.46 8.6 13.3 0.004 0.11
22.2 33.9 8.15 90.7 6.46 8.6
Other Observations: Nil.
C2 16:01 Surface 1 22.5 32.5 8.19 88.5 6.32 6.32 13.1 11.8 15.1 14.4 0.007 0.007 0.22 0.21
22.5 32.5 8.19 89.5 6.32 13.1
Middle 6.5 22.4 33.1 8.17 89.5 6.30 12.8 15.3 0.007 0.22
22.4 33.1 8.18 89.2 6.32 12.8
Bottom 11.5 22.4 33.8 8.17 90.1 6.35 6.35 9.5 12.9 0.007 0.20
22.4 33.8 8.18 90.2 6.35 9.5
Other Observations: Nil.
C3 16:38 Surface 1 22.5 32.8 8.17 85.1 6.14 6.14 8.6 12.6 8.9 12.6 0.007 0.006 0.19 0.18
22.5 32.8 8.17 85.2 6.14 8.6
Middle 4 22.4 33.2 8.16 85.2 6.13 13.8 14.9 0.006 0.17
22.4 33.1 8.16 85.2 6.14 13.8
Bottom 7 22.4 33.3 8.13 85.2 6.15 6.15 15.4 13.9 0.006 0.17
22.4 33.3 8.16 85.2 6.15 15.4
Other Observations: Nil.
C4 16:59 Surface 1 22.5 32.8 8.21 92.1 6.63 6.63 7.9 14.3 11.7 11.6 0.007 0.005 0.19 0.14
22.5 32.8 8.21 92.2 6.62 7.9
Middle 6 22.1 34.2 8.27 92.2 6.63 16.3 8.9 0.005 0.11
22.1 34.1 8.27 92.5 6.63 16.3
Bottom 11 22.1 34.4 8.26 92.0 6.51 6.52 18.7 14.3 0.004 0.12
22.1 34.3 8.26 92.1 6.52 18.7
Other Observations: Nil.
C5 17:34 Surface 1 22.1 33.5 8.31 94.0 6.77 6.74 5.0 5.4 9.9 9.4 0.001 0.001 0.02 0.02
22.1 33.7 8.36 94.2 6.72 5.0
Middle 11.5 22.0 33.9 8.30 94.3 6.75 5.5 7.1 0.001 0.03
22.1 34.1 8.31 94.1 6.72 5.5
Bottom 21.5 22.1 34.0 8.29 94.0 6.70 6.71 5.6 11.3 0.001 0.02
22.0 34.0 8.30 94.1 6.72 5.6
Other Observations: Nil.
* Contains sample results < detection limit but assumed to be at the detection limit for the sake of computation.