With reference to the green water tanker programme in Hyderabad, consider the following statements: 1. The treated wastewater is intended for non-domestic purposes to conserve drinking water. 2. The initiative initially operates a fleet of 50 tankers for construction and gardening. 3. The programme utilizes treated wastewater from 19 Sewage Treatment Plants. Which of the statements given above is/are correct?

Hyderabad launches green water tanker programme using treated wastewater from 19 STPs

GS3Economy · S&T · Environment · Security· Cropping patterns & irrigation· Prelims· 1 November 2026

Circular economy in urban water management: a GS3 case study on sustainable water conservation.

Why in news

The Hyderabad Metropolitan Water Supply and Sewerage Board (HMWS&SB) launched a green water tanker programme to conserve drinking water by using treated wastewater for non-domestic purposes.

Background

The initiative uses treated wastewater from 19 Sewage Treatment Plants (STPs) in Hyderabad. It initially operates 28 tankers for construction and gardening, with plans to expand across all city divisions.

Facts for Prelims

BodyHMWS&SB: Hyderabad Metropolitan Water Supply and Sewerage Board
FactThe programme utilizes treated wastewater from 19 STPs
FactInitial fleet size is 28 tankers

Prelims practice question

With reference to the green water tanker programme in Hyderabad, consider the following statements:

The treated wastewater is intended for non-domestic purposes to conserve drinking water.
The initiative initially operates a fleet of 50 tankers for construction and gardening.
The programme utilizes treated wastewater from 19 Sewage Treatment Plants.

Which of the statements given above is/are correct?

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

Show answer

Answer: (c) 1 and 3 only — Statements 1 and 3 are correct. Statement 2 is incorrect: The initial fleet size is 28 tankers.

For Mains

Q. Discuss how the reuse of treated wastewater can address urban water scarcity while ensuring environmental safety and public health standards.

Dimensions to cover in your answer

Resource optimization: Reducing pressure on potable groundwater for non-potable urban activities
Public health risk: Ensuring stringent quality standards for treated water to prevent waterborne pathogens
Infrastructure gap: Scaling STP capacity to meet growing urban demand for recycled water

Keywords: Water conservation · Circular economy · Urban water management · Wastewater treatment · Sustainable development

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