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Delhi Jal Board Approves ₹4,500 Cr for 15 Decentralised STPs to Treat Yamuna Sewage

Target:UPSC GS-IIIMPSCSSC GATeachingPrelims HighMains MediumStatic GK Link
29 Jul 2026
~2 min
Source: Indian Express
Key Data:₹4,500 crore₹2,000 crore227 MGD1,041 MGD814 MGD174 MGD deficit
Bodies:Delhi Jal BoardWater Minister Parvesh Sahib Singh
Practice MCQs from today's news ▸
What This Article Covers

1.Delhi Jal Board (DJB) approved ₹4,500 crore projects including 15 new decentralised STPs (DSTPs) with 103.5 MGD capacity, 989 km sewer lines, and upgrades to existing plants.

2.Total treatment capacity will increase from 814 MGD to 1,041 MGD, surpassing the daily sewage load of ~1,000 MGD, yet a daily deficit of 174 MGD persists.

3.Decentralised plants located near sewage generation points reduce dependence on long trunk sewers and directly intercept drains, targeting the 80% pollution load from Najafgarh and Shahdara drains.

The Big Picture
Prelims · HighMains · Medium

Delhi Jal Board approved projects worth ₹4,500 crore to set up 15 decentralised sewage treatment plants (DSTPs) and upgrade sewer networks, aiming to stop untreated sewage from entering Yamuna. This will add 227 MGD treatment capacity, taking total to 1,041 MGD, exceeding current sewage load. The move addresses the largest source of Yamuna pollution, with Najafgarh and Shahdara drains contributing 80% of pollution load.

Exam Lens

Quick Exam Facts From News

Total Project Cost₹4,500 crore
DSTP Cost (15 plants)₹2,000 crore
New DSTP Capacity103.5 MGD
Total Added Capacity227 MGD
Existing STP Capacity814 MGD
New Total Capacity1,041 MGD
Daily Sewage Load~1,000 MGD
Daily Deficit174 MGD
Pollution from Two Drains80%
Beneficiaries~20 lakh residents
Completion Timeline21 months
Sewer Lines989 km
Colonies Covered244
Villages Covered57

1-Minute Revision

  • ›Total Project Cost: ₹4,500 crore
  • ›DSTP Cost (15 plants): ₹2,000 crore
  • ›Target this Data: 15 new DSTPs, total added capacity 227 MGD, total capacity 1,041 MGD, daily deficit 174 MGD, 80% pollution from Najafgarh & Shahdara drains.
  • ›Target this Nodal Body: Delhi Jal Board (DJB) – statutory body under Delhi Government.
  • ›Target this Legal Point: No specific legal provision mentioned; focus on environmental pollution control and municipal waste management (Water Act, 1974, Environment Protection Act, 1986).

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which body approved the projects for setting up decentralised sewage treatment plants in Delhi?

Q2Statement-basedHard

Consider the following statements:

1. The 15 new decentralised STPs will add a combined treatment capacity of 103.5 MGD.

2. The total project cost including sewer lines and upgrades is ₹2,000 crore.

3. After the new projects, Delhi's total sewage treatment capacity will reach 1,041 MGD.

Which of the statements given above is/are correct?

Q3Data-centricMedium

What will be Delhi's total sewage treatment capacity (in MGD) after the completion of the new projects?

Q4Application/ImpactMedium

What is the primary objective of setting up decentralised sewage treatment plants (DSTPs) in Delhi?

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