Table
2.6 Water Quality Baseline
Monitoring Results during Mid-Flood
|
Sensitive Zones |
Stations |
Average DO at S&M*,
mg/L (Range) |
Average DO at Bottom,
mg/L (Range) |
Average Turbidity, NTU (Range) |
Average SS, mg/L (Range) |
|
|
L-C1 |
7.0 (6.1 – 7.8) |
5.4 (4.7 – 5.8) |
5.1 (4.6 – 6.0) |
6.7 (5.5 – 7.7) |
|
L-C2 |
7.4 (6.6 – 8.0) |
5.8 (5.2 – 6.1) |
3.3 (2.4 – 4.3) |
3.2 (3.0 – 3.5) |
|
|
L-I1 |
7.3 (6.5 – 8.2) |
5.6 (5.2 – 5.9) |
4.5 (3.4 –5.4) |
6.0 (4.8 – 7.4) |
|
|
L-I2 |
6.8 (6.1 – 7.3) |
5.4 (4.5 – 6.0) |
4.8 (4.3 – 5.1) |
4.9 (3.3 – 6.6) |
|
|
|
PT-C1 |
6.5 (6.2 – 7.2) |
6.0 (5.1 – 7.2) |
2.7 (1.2 – 5.0) |
2.5 (1.9 – 2.9) |
|
PT-C2 |
6.7 (6.2 – 7.1) |
6.2 (4.9 – 6.9) |
2.0 (1.3 –3.2) |
2.5 (1.7 – 3.0) |
|
|
PT-I1 |
6.8 (6.4 – 7.1) |
5.8 (4.7 – 7.1) |
2.5 (1.6 – 3.1) |
2.9 (2.3 – 3.8) |
|
|
PT-I2 |
6.5 (6.2 – 6.8) |
5.7 (4.9 – 6.5) |
2.0 (1.4 – 2.9) |
2.4 (1.5 – 3.0) |
|
|
PT-I3 |
6.5 (5.7 – 7.2) |
6.0 (5.2 – 6.6) |
2.4 (1.7 – 2.8) |
2.6 (1.4 – 3.6) |
|
|
Ping Chau |
PC-C1 |
6.9 (6.8 – 6.9) |
6.2 (6.0 – 6.4) |
2.8 (2.3 – 3.6) |
3.7 (2.9 – 4.1) |
|
PC-C2 |
6.3 (5.8 – 6.8) |
5.7 (4.5 – 6.6) |
1.3 (1.2 – 1.5) |
2.8 (1.7 – 3.4) |
|
|
PC-I1 |
7.5 (6.5 – 9.3) |
7.0 (6.5 – 7.8) |
1.2 (0.7 – 1.8) |
3.2 (2.0 – 5.1) |
|
|
PC-I2 |
7.1 (6.7 – 7.8) |
6.2 (6.0 – 6.5) |
3.3 (2.0 – 4.0) |
4.4 (2.3 – 7.0) |
|
|
PC-I3 |
7.2 (6.7 – 7.9) |
6.1 (5.5 – 6.5) |
2.4 (2.0 – 3.2) |
3.6 (2.7 – 5.0) |
* Surface and middle depths