Last updated: 17 Aug 2024
Delhi Govt had set plans to increase the STP capacity to[1]
-- 814 MGD byDecember 2023=>June 2024(missed again)[2]
-- 922 MGD by December, 2024
-- up to 964.5 MGD by March 2025 (100% sewage treatment)
Okhla STP will be one of the biggest sewage treatment plant in Asia[3]
2024-25 Budget: Water and sewerage, top priorities for the AAP govt got Rs 7,195 crore, up from Rs 6,342 crore in the last fiscal[4]
Bureaucratic hurdles after BJP's Delhi Service control led to[4:1]
-- Artificial fund crunch by bureaucracy led to MISSED December 2023 deadline[5]
-- SC intervention forced to release funds Rs 760 cr & 1,927 crore to DJB in 1st week of April 2024[6]
-- Lands allocated for STPs have been taken back by the DDA(under Central Govt)[7]
The sewage generation ~792 MGD[2:1] and treatment is around 566.9 MGD only as of Aug 2024[7:1]
-- Rest flowing untreated into the Yamuna river
¶ List of STPs[8]
3 STPs in Delhi are among the Top 5 largest STP in India[9]
-- Okhla STP
-- Coronation Pillar STP
-- Kondli STP
Aug 2024: All functional STP of DJB in Delhi with Total STP capacity 667 MGD[7:2]
-- only 84.9% capacity utilisation i.e. 566.9 MGD as actual treatment
| No | STP Name | CAPACITY |
|---|---|---|
| 1 | Okhla | 140 MGD |
| 2 | Kondli | 65 MGD |
| 3 | Rithala | 40 MGD |
| 4 | Keshopur | 72 MGD |
| 5 | Sen Nursing Home | 2.20 MGD |
| 6 | Coronation Pillar | 90 MGD |
| 7 | Vasant Kunj | 5 MGD |
| 8 | Ghitorni | 5 MGD |
| 9 | Yamuna Vihar | 45 MGD |
| 10 | Pappankalan | 40 MGD |
| 11 | Narela | 10 MGD |
| 12 | Najafgarh | 5 MGD |
| 13 | Delhi Gate | 17.2 MGD |
| 14 | Nilothi | 60 MGD |
| 15 | Rohini | 15 MGD |
| 16 | Mehrauli | 5 MGD |
| 17 | CWG Village | 1 MGD |
| 18 | Molarband | 0.66 MGD |
| 19 | Kapashera | 12 MGD |
| 20 | Chilla | 9 MGD |
| TOTAL | 667 MGD[7:3] |
¶ New Decentralised STPs[1:1]
Construction of 40 New Decentralised STPs (DSTPs) with total capacity of 92 MGD
Locations
- 26 DSTPs with total capacity of 60 MGD at various locations
- 14 DSTPs with total capacity of 32 MGD in Najafgarh Drainage Zone
Timeline
- 29 DSTPs of total capacity of 57.57 MGD by December, 2024
- 11 DSTPs of total capacity of 34.43 MGD (12 months after allocation of land)
¶ Reuse of processed water
- 89 MGD of treated waste water supplied to Irrigation Department & Power Plants[8:1]
- Delhi City of Lakes STP cleaned water feeds these lakes
¶ Major challenges ahead
- DJB has been facing a major financial crunch because bureaucrats of the finance department stopped the flow of funds to execute project[4:2]
- Delhi Jal Board's estimates, the capital will be generating 925 MGD of sewage (80 per cent of 1,156 MGD water supply) by 2025 [5:1]
- Out of the 28 approved industrial areas, 17 are connected to 13 CETPs and there are 11 not connected with CETPs [10]
- Work to trap and process sewage is in progress in 255 out of 683 JJCs [10:1]
REFERENCES
https://delhiplanning.delhi.gov.in/sites/default/files/Planning/chapter_8.pdf ↩︎ ↩︎
https://www.cnbctv18.com/india/delhi-govt-mulls-penalising-sewage-treatment-plant-engineers-for-pollution-in-yamuna-19444195.htm ↩︎ ↩︎
https://www.cnbctv18.com/india/for-a-clean-yamuna-delhis-biggest-sewage-treatment-plant-to-begin-trial-run-around-diwali-18137441.htm ↩︎
https://timesofindia.indiatimes.com/city/delhi/delhi-budget-2024-25-allocation-flow-boost-for-water-and-sewage/articleshow/108219739.cms ↩︎ ↩︎ ↩︎
https://www.deccanherald.com/india/delhi/delhi-missing-2023-deadline-to-treat-all-sewage-makes-2025-yamuna-cleaning-goal-challenging-2857323 ↩︎ ↩︎
https://www.newindianexpress.com/cities/delhi/2024/Apr/06/djb-row-sc-tells-finance-secy-to-release-funds-makes-agency-party-to-govts-plea ↩︎
https://www.downtoearth.org.in/waste/yamuna-continues-to-receive-sewage-as-8-stps-remain-dysfunctional-delhi-jal-board ↩︎ ↩︎ ↩︎ ↩︎
https://delhiplanning.delhi.gov.in/sites/default/files/Planning/chapter_13.pdf ↩︎ ↩︎
https://www.iamrenew.com/sustainability/top-5-sewage-treatment-plants-stps-in-india-in-terms-of-capacity/ ↩︎
https://ddc.delhi.gov.in/sites/default/files/multimedia-assets/outcome_budget_2022-23.pdf ↩︎ ↩︎
