Pure and Safe: Top 10 Water Treatment Companies in India to Ensure Your Health

1. Thermax Ltd.

Founded in 1980, Thermax India is one of the best wastewater treatment companies in India. It is based in Pune, Maharashtra, and provides a quick fix to both industries and Municipal Corporations for wastewater ailments.

Solutions for heating, cooling, water, and waste management, as well as specific chemicals, are among the company’s offerings. Massive furnaces for steaming and power generation, complete power plants, industrial and municipal wastewater treatment facilities, waste heat recovery systems, and air pollution control projects are among the services provided by the organization.

2. Siemens India- Water Technologies.

Siemens is known for its industrial excellence, and with its water technologies, they have conquered the thirst of the nation. Based in Germany, the company established itself in India in 1969, in Mumbai, Maharashtra.

The company offers a wide range of services including water treatment plants, wastewater treatment, industrial and municipal wastewater treatment, and drinking water treatment.

3. Voltas Ltd.

Voltas Water and Treatment is a subdivision of the TATA enterprise, specializing in wastewater, and industrial sewage treatment. The company is more than 4 decades old, and aims to build a healthier nation.

It focuses mainly on the effluent treatment plant, sewage treatment plant, zero liquid discharge, and water treatment plant. The company encompasses a wide range of products to fulfill these including Sequence Batch Reactors (SBR), Moving Bed Biofilm Reactors (MBBR), along with technologies like ultrafiltration and reverse osmosis.

4. Aqua Innovative Solutions

Aqua Innovation aims to engineer environmental issues by providing solutions to wastewater for the agriculture industry. The company employs the cutting-edge NuWay method, which produces clean water as a consequence of its production process.

Apart from preserving the vital source of living- water, the NuWay procedure limits the requirement for the additional agricultural area for manure dispersal.

5. Hindustan Dorr-Oliver Limited.

Hindustan Dorr-Oliver Limited is a company based in India, that provides wastewater treatment services to both private and public sectors.

The company provides a wide range of solutions like water recycling and reclamation, wastewater treatment, and sewage treatment plant.

6. GE Water

More than a century old, GE Water is the top known wastewater company known for its services. It is a conglomerate based in the US and now serving diverse regions of the globe.

GE Water has its Indian headquarter in Bengaluru, Karnataka. As a part of wastewater treatment, the company offers a wide range of solutions like filters, reverse osmosis, and cooling tower treatment.

7. UEM India Pvt Ltd.

Specializing in wastewater treatment, UEM India Pvt Ltd. is based in Noida, Uttar Pradesh. The company is a subsidiary of Toshiba water solutions.

It provides wastewater treatment solutions with the design, construction, and installation of facilities for domestic water treatment and wastewater treatment.

Spread across 30 countries, the company has worked on several projects repairing natural issues.

8. SFC Environmental Technologies Private Limited.

SFC is a multinational environmental technology company that specializes in municipal sewage and solid waste treatment solutions. The company has about 500 biological nutrient removal plants.

It can generate 10,000 MLD of recycled quality water on a daily basis. It is the very first fully automatic in India having a SWM 2016-compliant MSW Plant in Goa.

SFC offers a wide range of products including disc filters, turbo blowers, and solar drying of sludge.

9. Ion Exchange

Ion Exchange is a popular water treatment company based in the UK, now having headquarters in Mumbai, Maharashtra. It provides wastewater solutions in a wide range including domestic wastewater, industrial wastewater, institutional wastewater, and commercial wastewater.

The company has an ultra-modern Research and Development team and is affiliated with leading global water treatment companies. It encompasses numerous facilities including wastewater treatment, water recycling, and product regeneration.

10. VA Tech Wabag

98-year-old VA Tech Wabag was founded in its current headquartered site in Vienna, Austria, and has its Indian headquarters in Chennai.

Being the market leader, the company is spread across four continents providing wastewater solutions. Wabag is known for its wastewater services including sludge treatment, seawater desalination, and industrial water treatment.

The company has well-advanced Research and Development centers in India, Austria, and Switzerland.


Which is the largest water treatment plant in India?

The Municipal Corporation of Tirupati (MCT) has recently taken up an eco-friendly project – a Natural Sewage Treatment Plant (STP) of 5 million liters per day (MLD) capacity. It is the biggest in the country.

How many water treatment plants are there in India?

Data reveals that of 816 municipal sewage treatment plants (STPs) listed across India.

What do water treatment companies do?

The process generally involves screening, filtration, and sedimentation, followed by a chemical process like reverse osmosis and disinfection. Several companies are providing wastewater treatment facilities.

How many STP are there in India?

There are 816 STPs having a capacity of 23,277 MLD in 28 States/UTs of India. Out of 816 STPs, 522 STPs are operational, 79 STPs are Non- operational, 145 STPs are under construction, and 70 STPs are proposed for construction.

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