- Jun 27, 2024
- Ravi Enviro
- Waste water
- 0 Comments
Water is a fundamental necessity for every living being. Various industries like chemicals, textiles, pharmaceuticals, and others release wastewater as a process by-product, posing a threat to the environment and human life. It is crucial to treat the wastewater, removing containment, pollutants, and other suspended particles before discharging it back into the environment and water bodies. Water treatment plants play a pivotal role in removing pollutants, microorganisms, heavy metals, and other contaminants from industrial wastewater. It is essential to choose the right WTPs to ensure efficiency and effective water treatment. In this blog, we explore some of the top manufacturers of water treatment plants in India & Water treatment plant manufacturer companies to help you make an informed decision. Let’s explore the list of water treatment companies in India.
Whether you are looking for a water treatment plant manufacturer in Gujarat, a trusted supplier for industrial water treatment in Vadodara, or a nationally certified CPCB-compliant WTP solution for pharma, textile, or dairy industries — selecting the right partner is critical. India’s water treatment sector is growing rapidly, with stricter ZLD norms under the Environment Protection Act pushing industries to adopt advanced treatment technologies. Below, we list the top water treatment plant manufacturer companies in India to help industrial buyers, project managers, and procurement teams make an informed decision.
Who Are the Top Manufacturers of Water Treatment Plants in India?
Following is the list of the top 10 water treatment companies in India [2026 Updated]:
1. Ravi Enviro Industries Private Limited
REIPL has provided turnkey solutions for environmental sustainability for a greener planet for the last 5 decades. REIPL is a Gujarat-based company that has been recognized as the top ETP manufacturer in India, offering impeccable services to agricultural, pharmaceutical, dairy, petrochemical, engineering, and chemicals. Our offering includes STP, ETP, RO, UF, ZLD, VOC systems, and package plants.
Technologies Provided for Water Treatment by REIPL
MBBR Technology
Moving bed biofilm reactors (MBBR) technology is used in industrial water treatment plant in India. It is a biological process to treat wastewater. MBBR technology separates organic substances, such as nitrification and denitrification. It uses a free-floating plastic biofilm carrier to offer a large surface area for the growth of microorganisms. A cluster of microorganisms breaks down organic matter and pollutants in the wastewater for effective treatment.
Read More: Sumitomo Poreflon Membrane: Mechanism Explained
SBR Technology
Sequence batch reactors (SBR) are industrial processing tanks for treating industrial wastewater. The SBR process treats wastewater life sewage or effluent through anaerobic digestors in batches, and each batch is sequenced through a series of treatment stages.
MBR Technology with PTFE Membrane (Sumitomo Make)
Membrane Bio Reactor (MBR) is a process that combines microfiltration or ultrafiltration membrane units along with suspended growth bioreactor for wastewater treatment processes.
Website: https://www.ravienviro.com/
Contact No: +91 76988 07771
Mail Id: info@ravienviro.com
2. VA Tech WABAG
This is another water treatment company based in Chennai. VA Tech WABAG has a presence across 4 continents over the globe. As one of the top water treatment companies in India, they offer services in seawater desalination, sludge treatment, and industrial wastewater treatment.
3. Theramax India
Thermax India is a leading water treatment plant manufacturer in India. The company offers its services to municipal and industrial entities. Thermax India offers wastewater treatment services, air pollution control systems, and removing specific chemicals from industrial wastewater.
4. Voltas Ltd
Voltas Ltd. is a subsidiary of the Tata Group. As one of the most prominent waste water treatment companies in India, the company offers industrial wastewater treatment. They focus on effluent treatment plants and sewage treatment plants. Voltas Ltd uses advanced technology like MBBR and SBR to treat wastewater.
5. UEM India Private Limited
UEM India Pvt Ltd. is a company based in Noida, Uttar Pradesh, operating as one of the top industrial water treatment plant manufacturers in India. It is a subsidiary of Toshiba Water Solution. The company designs, manufactures, and installs water treatment facilities.
6. Ion Exchange India
This is a UK-based company with headquarters in Mumbai, India, and is one of the leading water treatment companies in India. As water treatment plant manufacturers in India, they provide a wide range of services like wastewater treatment, water recycling, chemical water treatment, and other services.
7. SEIMENS
SIEMENS is a German industrial water treatment company that is renowned for its electronics, electrical, and water treatment services. Their product portfolio includes wastewater treatment, drinking water treatment, water treatment plants, and industrial and municipal wastewater treatment systems.
Read More: How to Select the Right Water Treatment Plant for Your Industry
8. Hindustan Dorr Oliver Ltd
This company has a long history and experience in providing wastewater treatment management services to private and public Indian institutions. Hindustan Dorr Oliver Ltd uses the latest techniques like MBBR, SBR, RO, and VOC treatment to purify wastewater treatment.
9. GE Water
General Electric Water and Wastewater Treatment is a USA-based company offering exceptional water treatment solutions to clients across the globe. With headquarters situated in Bengaluru, Karnataka, the company has nearly 100 years of experience in the water and wastewater water treatment field.
10. Netsol Water Solutions
Netsol Water Solutions is another best water treatment company in India. They offer turnkey solutions in the fields of ETP, STP, WWTP, and WTP. They use the latest water treatment technologies like RO, UF, and microfiltration.
How to Choose the Right Water Treatment Plant Manufacturer in India
Choosing the right industrial water treatment plant manufacturer in India requires evaluating several critical factors beyond just cost. First, confirm the manufacturer has experience with your specific industry — pharmaceutical effluent treatment differs significantly from textile or dairy wastewater. Second, ensure the company offers CPCB and State Pollution Control Board (SPCB)-compliant systems, as non-compliant plants risk operational shutdowns. Third, look for manufacturers offering turnkey solutions including design, civil work, installation, and Annual Maintenance Contracts (AMC). Gujarat-based manufacturers like REIPL offer particular advantages for industries located in western India due to proximity, faster commissioning, and regional regulatory familiarity.
Conclusion
These were some of the best water treatment plant manufacturers in India 2026. Selecting the right water treatment plant company ensures regulatory compliance, operational efficiency, and sustainable wastewater management.
These were some of the best water treatment plant manufacturers in India 2026. Ravi Enviro Industries Pvt. Ltd. is a leading sewage treatment plant suppliers in India. We are the pioneers in water treatment solutions for different industries across diverse fields. At REIPL, we firmly believe in putting efforts into recycling precious water and safe disposal. We are committed to helping our clients treat their wastewater, removing pollutants and contaminants so it can safely discharged back into nature.
Read: What is the STP Full Form & What is Etp Full Form
FAQs
Who are the top water treatment plant manufacturers in India?
Some of the top water treatment plant manufacturers in India include Ravi Enviro Industries Pvt. Ltd., VA Tech WABAG, Thermax India, Voltas Ltd., UEM India Pvt. Ltd., Ion Exchange India, Siemens, Hindustan Dorr Oliver Ltd., GE Water, and Netsol Water Solutions. These companies provide turnkey solutions for industrial and municipal water treatment projects.
How do I choose the best water treatment plant manufacturer in India?
When selecting a water treatment plant manufacturer in India, consider the following factors:
~ Experience and industry expertise
~ Compliance with CPCB and State Pollution Control norms
~ Technology offered (MBBR, SBR, MBR, RO, ZLD)
~ Customization capabilities
~ After-sales support and AMC services
~ Project execution track record
A reliable manufacturer should offer end-to-end design, installation, and maintenance services.
Which technologies are commonly used by top water treatment plant companies in India?
Leading water treatment plant companies in India use advanced technologies such as:
~ MBBR (Moving Bed Biofilm Reactor)
~ SBR (Sequential Batch Reactor)
~ MBR (Membrane Bio Reactor)
~ Reverse Osmosis (RO)
~ Ultra Filtration (UF)
~ Activated Sludge Process
~ Zero Liquid Discharge (ZLD)
The choice of technology depends on wastewater characteristics and discharge standards.
What industries require industrial water treatment plants?
Industrial water treatment plants are required in sectors such as:
~Pharmaceuticals
~Textiles
~Chemicals
~Food & Beverage
~Petrochemicals
~Engineering & Manufacturing
~Dairy Processing
Industrial water treatment plant manufacturers in India design customized systems based on sector-specific pollution loads.
What is the cost of installing a water treatment plant in India?
The cost of installing a water treatment plant in India depends on:
~Capacity (KLD or MLD)
~Type of technology used
~Automation level
~Site conditions
~Regulatory requirements
A detailed technical assessment is required to determine accurate pricing.
How long does it take to install a water treatment plant?
Installation timelines depend on plant size and complexity. Small to medium capacity plants may take 6–12 weeks, while large industrial projects may require several months for complete execution.
What is the difference between WTP, ETP, and STP?
A Water Treatment Plant (WTP) purifies raw water for industrial or drinking use. An Effluent Treatment Plant (ETP) treats industrial wastewater containing chemicals, heavy metals, or BOD before discharge. A Sewage Treatment Plant (STP) treats domestic sewage to remove organic matter and pathogens. REIPL designs and manufactures all three types with CPCB-compliant technology.
Which industries in India need ZLD compliance?
As per CPCB directives, industries like textile (dye houses), tanneries, sugar, distilleries, paper & pulp, and certain chemical manufacturers in critically polluted areas are mandated to implement Zero Liquid Discharge (ZLD) systems. REIPL provides turnkey
ZLD plant solutions designed for Indian compliance norms.
Are there water treatment plant manufacturers in Gujarat?
Yes. Ravi Enviro Industries Pvt. Ltd. (REIPL) is a leading water treatment plant manufacturer based in Gujarat with over 5 decades of experience. Serving industries in Vadodara, Ahmedabad, Surat, Ankleshwar, and across pan-India, REIPL offers ETP, STP, ZLD, RO, and UF systems for pharmaceutical, dairy, textile, chemical, and engineering sectors.
What certifications should a water treatment plant manufacturer in India have?
Reputable water treatment plant manufacturers in India should hold ISO 9001 quality certification, comply with CPCB (Central Pollution Control Board) norms, and adhere to State Pollution Control Board (SPCB) regulations. For specific sectors like pharma or food & beverage, GMP-compliance in plant design is also important.
