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Last Updated:: 08/05/2013
Status of sewage treatment plant in Delhi
The Delhi Jal Board (DJB) is responsible for water and wastewater (Sewage) treatment in Delhi. The present Sewage treatment capacity of DJB is 512.4 MGD. In addition DSIDC is constructing 14 Common Effluent Treatment Plants (CETP's) and one more CETP is being constructed by Delhi Development Authority (DDA) with a total capacity of 40 MGD. Thus, the wastewater treatment capacity likely to be in position by the year-end (2003) is 552.4 MGD against wastewater generation of 612 MGD. The DJB plans to augment the capacity of Sewage treatment plants by 143 MGD by March 2005, thereby, raising the wastewater treatment capacity to 695.4 MGD against an estimated wastewater generation of 752 MGD.
The DJB has raised the Sewage treatment capacity from 284 MGD in 1995 to 512.4 MGD as on date. As far as utilisation of treatment capacity is concerned at various Sewage treatment plants, it has increased the utilisation of various Sewage treatment plants from 200 MGD in 1995 to 380 MGD.
The trunk sewers exist in a length of 130 km in Delhi. Some of them were constructed as early as in 1930's. Most of them have outlived their life, silted up and settled at many places. Therefore it requires rehabilitation/ desilting.
The rehabilitation/ desilting of trunk sewers in a length of 22 km. has been completed. The work for a further length of 10.5 km. is in progress and is likely to be completed by 2004.
The Sewage network exists in a length of about 6,000 km. consisting of branch sewers/ peripheral sewers and trunk sewers. DJB has prepared an Action Plan to replace the 600 km. length of peripheral and branch sewers out of which, approximately 160 km of undersize branch sewers have been replaced and balance are likely to be replaced in a phased manner.
Status of sewage treatment plants of Delhi
Name of Sewage Treatment Plant
|
Total Capacity(Million litres per day)
|
Actual Flow(Million litres per day)
|
| Mehrauli |
22.7 |
Nil |
| Vasant Kunj |
22.7 |
18.16 |
| Okhla |
635 |
684.00 |
| Najafgarh |
22.7 |
Nil |
| Papan Kalan |
90.8 |
40.86 |
| Kesho Pur |
327.5 |
338.21 |
| Nilothi |
181.6 |
Under Construction |
| Coronation Pillar |
178 |
123.57 |
| Rohini |
68.1 |
Under Construction |
| Narela |
45.4 |
1.68 |
| Rithala |
363.2 |
198.45 |
| Yamuna Vihar |
45.4 |
32.08 |
| Kondli |
204.5 |
133.4 |
| SenNursing Home |
10 |
9.08 |
| DelhiGate Rajghat |
10 |
10.69 |
| Nehru Vihar Oxidation Pond |
27.24 |
8.1 |
Source: Status of sewage treatment plants in Ganga Basin, CPCB Publication, June 2003
Status of sewage treatment plants of Delhi
|
S.no
|
Name of STP
|
Capacity (MGD) as on 31.3.2001
|
Capacity(MGD) As on 31.3.2008
|
Actual treatment in MGD As on 31.3.2008
|
|
1
|
Okhla
|
140.00
|
140.00
|
131.44
|
|
2
|
Keshopur
|
72.00
|
72.00
|
30.55*
|
|
3
|
Coordination pillar with Oxidation
Ponds at Timarpur
|
46.00
|
46.00
|
30.78
|
|
4
|
Rithala
|
40.00
|
80.00
|
44.34
|
|
5
|
KondliI,II,III, IV
|
45.00
|
45.00
|
53.08
|
|
6
|
Yamuna Vihar I,II
|
10.00
|
20.00
|
11.31
|
|
7
|
Vasant Kunj
|
5.00
|
5.00
|
4.16
|
|
8
|
Ghitomi
|
5.00
|
5.00
|
-
|
|
9
|
Pappankalan
|
20.00
|
20.00
|
15.65
|
|
10
|
Narela
|
10.00
|
10.00
|
1.25
|
|
11
|
Najafgarh
|
5.00
|
5.00
|
1.52
|
|
12
|
Delhi Gate
|
2.20
|
2.20
|
2.53
|
|
13
|
Sen Nursing Home
|
2.20
|
2.20
|
2.56
|
|
14
|
Rohini
|
-
|
15.00
|
.
|
|
15
|
Nilothi
|
-
|
40.00
|
17.15
|
|
16
|
Mehrauli
|
-
|
5.00
|
1.72
|
|
|
Total
|
402.40
|
512.40
|
348.04
|
*LESS UTILISATION AS SEWER IN THIS COMMAND ARE UNDER REHABILITATION.
Source: DJB
Sewage treatment plants and their capacities (MGD)
|
Location of STP
|
Existing capacity
|
Additional capacity proposed upto 2021
|
|
Rithala
|
80
|
-
|
|
Rohini
|
15
|
40
|
|
Yamuna Vihar
|
20
|
25
|
|
Kondali
|
45
|
45
|
|
Narela
|
10
|
40
|
|
Pappan kalan (Dwarka)
|
20
|
20
|
|
Najafgarh
|
5
|
-
|
|
Vasant Kunj
|
5
|
-
|
|
Mehrauli
|
5
|
-
|
|
Ghitorni
|
5
|
-
|
|
Keshopur
|
72
|
-
|
|
Nilothi
|
40
|
20
|
|
Cantonment
|
-
|
8
|
|
Okhla
|
140
|
30
|
|
Delhi Gate
|
2.2
|
15
|
|
Sen Nursing Home
|
2.2
|
-
|
|
Coronation Pillar
|
40
|
50
|
|
Timarpur
|
6
|
|
|
Total
|
512.4
|
293
|
Source: Master Plan Delhi for 2021, 2007
Decadal water requirement and wastewater generation in Delhi
.png)
Source: http://www.cpcb.nic.in/newitems/13.pdf
Installed capacity of water treatment plants (Delhi): 2006-2012 (As on 31st March)
| Sl.No |
Name of Plants |
Capacity (MDG) |
| 2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| 1 |
Chandrawal Water
House No I & II
|
90 |
90 |
90 |
90 |
90 |
90 |
90 |
| 2 |
Wajirabad I, II & III |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
| 3 |
Haiderpur |
200 |
200 |
200 |
200 |
200 |
200 |
200 |
| 4 |
North Sahadhara
(Bhagirathi)
|
100 |
100 |
100 |
100 |
100 |
100 |
100 |
| 5 |
Bawana |
--- |
--- |
--- |
20 |
20 |
20 |
20 |
| 6 |
Nangloi |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
| 7 |
Sonia Vihar |
--- |
140 |
140 |
140 |
140 |
140 |
140 |
| 8 |
Ranney Wells & Tube Wells |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
| 9 |
Recycling of Water at Bhagirathi
Haiderpur & Wajirabad
|
--- |
--- |
--- |
--- |
37 |
37 |
37 |
| 10 |
Commonwealth Games Village |
--- |
--- |
--- |
--- |
--- |
1 |
1 |
| |
Total |
650 |
790 |
790 |
810 |
847 |
848 |
848 |
Installed treatment capacity of water treatment plants Delhi-2006-2012
MDG
Sewerage treatment capacity and its utilization
MDG
| Sl.No |
Name of Sewarage
Plants (STPs)
|
Capacity |
Atual Treatment
as on 31.3.2012
|
% of Utilization |
| 31.3.2001 |
31.3.2012 |
| 1 |
Okhla |
140.0 |
140.0 |
112.1 |
80.09 |
| 2 |
Keshopur |
72.0 |
72.0 |
46.00 |
63.89 |
| 3 |
Coronation Piller with
Oxidation Ponds at
Timarpur
|
46.00 |
46.00 |
7.63 |
16.59 |
| 4 |
Rithala |
40.00 |
80.00 |
42.03 |
52.54 |
| 5 |
Kondli I, II, III & IV |
45.00 |
45.00 |
56.40 |
125.33 |
| 6 |
Yamuna Vihar I, II |
10.00 |
20.00 |
10.95 |
54.75 |
| 7 |
Vasant Kunj |
5.00 |
5.00 |
4.10 |
82.00 |
| 8 |
Ghitorni |
5.00 |
5.00 |
---- |
---- |
| 9 |
Pappankalan |
20.00 |
20.00 |
17.73 |
88.65 |
| 10 |
Narela |
10.00 |
10.00 |
1.10 |
11.00 |
| 11 |
Najafgarh |
5.00 |
5.00 |
0.90 |
18.00 |
| 12 |
Delhi Gate |
2.20 |
2.20 |
2.37 |
107.73 |
| 13 |
Sen Nursing Home |
2.20 |
2.20 |
2.54 |
115.45 |
| 14 |
Rohini |
---- |
15.00 |
---- |
---- |
| 15 |
Nilothi |
---- |
40.00 |
14.58 |
36.45 |
| 16 |
Mehrauli |
---- |
5.00 |
2.74 |
54.80 |
| 17 |
CWG Village |
---- |
1.00 |
0.09 |
9.00 |
| 18 |
Molarbad |
---- |
0.65 |
0.50 |
76.92 |
| 19 |
Bakkerwala |
---- |
0.70 |
0.13 |
18.57 |
| |
Total |
402.40 |
514.75 |
321.92 |
62.54 |
Source:Delhi Jal Board