Table 8.6f Comparison of Baseline, Impact and Post-construction Water Quality Monitoring Results
(Dissolved Oxygen (Bottom), Mid Flood Tide)
|
Station(s) |
Baseline (October to November 2011) |
Impact (Feb 2013 to Oct 2018) |
Post-construction (Oct to Nov 2018) |
|||
|
Dissolved Oxygen (Bottom), mg/L |
||||||
|
Min |
Max |
Min |
Max |
Min |
Max |
|
|
CS1 |
5.4 |
7.3 |
1.5 |
10.1 |
6.1 |
7.0 |
|
CS2 |
4.2 |
8.2 |
2.5 |
9.6 |
6.2 |
7.6 |
|
IS1 |
5.4 |
7.5 |
1.3 |
10 |
6.3 |
6.9 |
|
IS2 |
5.6 |
7.8 |
1.9 |
10.6 |
6.3 |
7.2 |
|
IS3 |
6.0 |
8.0 |
4.3 |
11.1 |
6.1 |
7.6 |
|
IS4 |
4.3 |
9.5 |
4.3 |
10.6 |
6.2 |
7.3 |
|
SR1 |
3.6 |
3.6 |
3.6 |
3.6 |
-- |
-- |
|
SR2 |
-- |
-- |
-- |
-- |
-- |
-- |
|
SR3 |
6.2 |
6.2 |
6.2 |
6.2 |
-- |
-- |
|
SR6 |
3.9 |
7.2 |
3.7 |
12.6 |
6.1 |
7.4 |
|
SRA |
3.8 |
7.1 |
3.8 |
10.1 |
5.9 |
7.8 |
|
ST1 |
5.5 |
7.5 |
3.9 |
10 |
6.3 |
7.1 |
|
ST2 |
3.8 |
7.4 |
3.8 |
10.1 |
6.3 |
7.4 |
|
ST3 |
4.6 |
7.6 |
3.4 |
9.8 |
6.3 |
7.1 |
Remark: " - " means
the water depth of station less than 3m and therefore only the mid-depth was
monitored.