Yamuna
Ø
The quality of Yamuna river
water was maintained all through in Haryana as per the water quality standards
with DO values above 5.0 mg/l and BOD values less than 3.0 mg/I. The DO value
at Kalanaur (2010) is 9.1 and BOD values is
2.33.
Ø
The Yamuna water at Delhi
was always poor with DO values < 5.0 mg/l and BOD values >3.0 mg/l.
Ø
The poor quality trend
continued downstream also with values of DO fluctuating upto
Majhawali. The
values were again fluctuated d/s Agra.
However, the values improved at Auraiya. The same trend was indicated by BOD values.
Ø
The Critical stretch of
Yamuna in 2010 extended from Delhi to Udi as against
Delhi to Majhawali and again, Agra d/s to Etawah in (1996), there was no improvement in water quality
and the effect of NRCD schemes was not positive.
WATER
QUALITY DATA FOR RIVER YAMUNA
(Summer
Average i.e. March-June)
|
S.No. |
Station/Location |
ß-----1996-------à |
ß-------2010--------à |
||
|
|
|
DO (mg/l) |
BOD (mg/l) |
DO (mg/l) |
BOD (mg/l) |
|
A. |
HARYANA |
|
|
|
|
|
1 |
Tajewala /Hathnikund |
11.70 |
1.20 |
8.40 |
1.00 |
|
2 |
Kalanaur |
10.40 |
1.05 |
8.95 |
1.50 |
|
3 |
Palla |
13.95 |
6.00 |
6.82 |
1.25 |
|
B |
DELHI |
|
|
|
|
|
4 |
Nizamudin
Bridge 1/2 |
0.30 |
25.00 |
0.0 |
24.75 |
|
C. |
UTTAR PARDESH |
|
|
|
|
|
5 |
Agra
Canal at kalindi Kunj |
0.35 |
26.50 |
0.0 |
16.00 |
|
6 |
Majhawali / Palwal |
0.50 |
22.00 |
1.15 |
20.25 |
|
7 |
Mathura
u/s |
8.10 |
4.00 |
6.67 |
11.25 |
|
8 |
Mathura
d/s |
8.50 |
2.50 |
6.57 |
8.75 |
|
9 |
Agra
u/s |
10.65 |
4.50 |
6.02 |
8.25 |
|
10 |
Agra
d/s |
1.65 |
9.00 |
9.12 |
12.25 |
|
11 |
Batteshwar |
13.90 |
11.00 |
12.88 |
11.75 |
|
12 |
Etawah |
11.16 |
7.00 |
12.62 |
11.00 |
|
13 |
UDI |
9.71 |
2.00 |
8.82 |
2.00 |
|
14 |
Auraiya Juhika |
8.14 |
5.00 |
10.98 |
4.50 |
|
|
|
|
|
(Sources :CPCB Delhi) |
|