India’s growing water challenge is rapidly becoming one of the country’s most important infrastructure and economic priorities.
According to PL Capital’s thematic report, Water Megatrend 2.0: Positioning for the Next Wave of Water-Led Investments, India’s water demand could approach twice its available supply by 2030. Addressing this imbalance could require investments exceeding ₹20 lakh crore over the next decade across water supply, sewage treatment, wastewater recycling, storage, distribution networks and related infrastructure.
Unlike infrastructure segments that are heavily influenced by economic cycles, water security is increasingly being driven by long-term structural requirements. Population growth, urban expansion, industrial development, environmental regulation and climate-related water stress are making investment in water infrastructure unavoidable.
India supports approximately 18% of the world’s population while possessing only about 4% of global freshwater resources, according to the PL Capital report. This structural imbalance is creating sustained demand for technologies and services across the entire water value chain.
As more people move into urban areas, demand rises for potable water, municipal pipelines, sewerage networks and sewage-treatment infrastructure.
Expanding cities will require not only new water sources but also improved distribution efficiency, reduced non-revenue water, better metering and significantly higher wastewater-treatment and reuse capacity.
Excessive groundwater extraction and inadequate aquifer recharge are increasing water stress across several regions.
This is encouraging governments, utilities and industries to consider treated-wastewater reuse, rainwater harvesting, groundwater recharge, desalination and alternative water-supply systems.
Rapid expansion in semiconductors, electronics, chemicals, pharmaceuticals, solar manufacturing, green hydrogen and data centres is creating a new category of high-quality industrial water demand.
Many of these industries require ultrapure water, advanced filtration, reliable wastewater treatment and strict discharge compliance. Industrial growth is therefore expected to increase demand for membranes, zero-liquid-discharge systems, recycling plants, effluent-treatment facilities and digital monitoring technologies.
Agriculture remains India’s largest water-consuming sector. Demand is also being influenced by the expansion of ethanol production using crops such as sugarcane, maize and rice.
Improving irrigation efficiency, crop-water productivity, groundwater management and agricultural wastewater reuse will be essential to balancing food, energy and urban water requirements
Public investment is expected to remain one of the most important drivers of India’s water infrastructure market.
The PL Capital report highlights several major government programmes:
Jal Jeevan Mission receives annual allocations of approximately ₹67,000 crore to expand rural household tap-water connectivity.
The Ministry of Jal Shakti was allocated approximately ₹99,500 crore for FY26 across drinking water, groundwater management, river rejuvenation and water infrastructure.
AMRUT 2.0 has an estimated outlay of ₹2.99 lakh crore for urban water supply, sewerage and wastewater-treatment projects.
Namami Gange Phase II includes approximately ₹22,500 crore for sewage-treatment and river-rejuvenation infrastructure across the Ganga basin.
These programmes are generating opportunities for water EPC contractors, technology suppliers, equipment manufacturers, engineering consultants, automation providers and operation-and-maintenance companies.
Wastewater treatment represents one of the largest areas requiring investment.
India generates more than 72,000 million litres of sewage per day, while installed treatment capacity is approximately 27,000 MLD. Effective treatment is lower than the installed figure, and the report estimates that nearly 70% of sewage remains untreated.
The treatment gap in Class I cities alone is estimated at approximately 58%.
Closing this gap will require substantial investment in:
Sewage-treatment plants
Common effluent-treatment plants
Industrial effluent-treatment systems
Wastewater recycling and reuse
Sludge and biosolids management
Sewerage and collection networks
Decentralised treatment systems
Digital monitoring and plant automation
Operations and maintenance
Stricter environmental standards and industrial discharge requirements are also expected to move investment beyond government programmes. Private industries will increasingly need to modernise treatment systems, improve water efficiency and reduce their dependence on freshwater sources.
The rapid growth of artificial intelligence and cloud services is drawing attention to the water footprint of data centres.
Water is commonly used in cooling and temperature-control systems. As India expands its data-centre capacity, operators may need to invest in efficient cooling technologies, treated-wastewater reuse, closed-loop systems, water-quality monitoring and alternative water sources.
This could create specialised opportunities for companies providing ultrapure-water systems, cooling-water treatment, membrane filtration, recycling technologies and digital water-management platforms.
The expected investment cycle is not limited to the construction of large treatment plants.
Opportunities are likely to emerge across:
Drinking-water treatment
Municipal sewage treatment
Industrial wastewater treatment
Water recycling and reuse
Desalination
Groundwater recharge
Piped water distribution
Pumps and pumping systems
Valves and flow-control equipment
Membranes and filtration systems
Water-treatment chemicals
Instrumentation and sensors
Smart metering
Leak detection
Digital plant optimisation
Operations and maintenance
Companies offering specialised technology, reliable project execution, strong order books and long-term operational capabilities may be better positioned to participate in this expansion.
PL Capital’s report examines three listed companies operating in different parts of the water infrastructure ecosystem. These references represent the research firm’s analysis and should not be interpreted as recommendations by Water Today.
VA Tech Wabag operates across drinking-water treatment, sewage treatment, industrial water systems, wastewater recycling and desalination.
The company is also expanding its focus on ultrapure-water solutions for semiconductors, solar manufacturing, green hydrogen, data centres and AI-related infrastructure.
PL Capital reported FY26 revenue of ₹3,944 crore, profit after tax of ₹371 crore and an order book of approximately ₹17,200 crore
Enviro Infra Engineers designs, constructs and operates water-treatment plants, sewage-treatment plants, common effluent-treatment plants and water-supply projects.
Its consolidated order book was reported at approximately ₹6,814 crore. The company has also expanded into renewable energy through its investment in Suyog Urja, adding exposure to wind, solar and battery-energy-storage projects.
Denta Water and Infra Solutions focuses on groundwater recharge, irrigation, sewage treatment and water-management infrastructure.
Approximately 73% of its reported order book is linked to water-management projects. The company is also expanding beyond Karnataka into Gujarat, Madhya Pradesh, Maharashtra and Uttar Pradesh.
India’s water challenge cannot be addressed through a single programme, technology or source of funding.
It will require coordinated investment from central and state governments, urban local bodies, industries, technology providers, financial institutions and private infrastructure developers.
The growing emphasis on water reuse, desalination, resource recovery, smart distribution and industrial efficiency suggests that India is entering a prolonged water-infrastructure investment cycle.
For the water industry, the opportunity extends beyond constructing new assets. Long-term value will increasingly come from maintaining those assets, improving plant performance, recovering resources, reducing energy consumption and ensuring reliable water availability.
India’s ₹20 lakh crore water opportunity is therefore more than an investment theme. It represents the financial and technological scale of the intervention required to secure the country’s future water needs.
Source credit: This article has been independently rewritten and adapted by the Water Today Editorial Desk using information from PL Capital’s Water Megatrend 2.0: Positioning for the Next Wave of Water-Led Investments and an Economic Times report by Gourab Das, published on June 30, 2026.
Editorial disclaimer: References to companies, securities, financial performance or investment opportunities are provided solely for industry-information purposes. This article does not constitute investment advice, an offer or a recommendation to buy or sell any security.