With reference to the Yamuna river cleanup efforts, consider the following statements: 1. The Delhi government has set a target to clean the Yamuna's Delhi stretch by May 2029. 2. The Delhi government is exploring sewage sludge management technology from a Swedish company. 3. A CPCB study identified 15 specific pollution hotspots in the Yamuna river. Which of the statements given above is/are correct?

Delhi eyes May 2029 Yamuna cleanup with Swedish sewage sludge management expertise

GS3Economy · S&T · Environment · Security· Pollution (air, water, plastic)· Prelims + Mains· 5 November 2026

Urban water governance and ecological restoration: a GS3 case study on sewage sludge management.

Why in news

The Delhi government met with a Swedish sewage sludge management company to explore technology for cleaning the Yamuna river by May 2029.

Background

The Delhi Jal Board and the Delhi Water Minister met with a Swedish company to discuss sewage sludge management. This follows a Central Pollution Control Board (CPCB) study that identified 12 pollution hotspots in the Yamuna.

Facts for Prelims

FactThe Delhi government has set a target to clean the Yamuna's Delhi stretch by May 2029.
FactA CPCB study identified 12 specific pollution hotspots in the Yamuna river.

Prelims practice question

With reference to the Yamuna river cleanup efforts, consider the following statements:

The Delhi government has set a target to clean the Yamuna's Delhi stretch by May 2029.
The Delhi government is exploring sewage sludge management technology from a Swedish company.
A CPCB study identified 15 specific pollution hotspots in the Yamuna river.

Which of the statements given above is/are correct?

(a)1 only
(b)1 and 2 only
(c)2 and 3 only
(d)1, 2 and 3

Show answer

Answer: (b) 1 and 2 only — Statements 1 and 2 are correct. Statement 3 is incorrect: The CPCB study identified 12 specific pollution hotspots.

For Mains

Q. Discuss the technological and administrative challenges in managing sewage sludge to restore the ecological health of the Yamuna river.

Dimensions to cover in your answer

Technological gap: Need for advanced sludge treatment to prevent heavy metal leaching into groundwater
Institutional coordination: Aligning Delhi Jal Board operations with CPCB pollution hotspot mitigation mandates

Keywords: Sewage sludge management · Pollution hotspots · Ecological restoration · Technological intervention · Urban water governance

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