Top 10 Effluent Treatment Plant Manufacturers in Noida (2026)

Noida and Greater Noida have grown into one of North India’s busiest industrial belts, with pharma units, textile dyeing houses, food processing plants, electronics assemblers, and chemical manufacturers operating side by side. Each generates wastewater with a different pollutant profile, and none of it can be discharged untreated under CPCB and UPPCB norms. That’s what makes finding the right Effluent Treatment Plant Manufacturer in Noida a consequential decision, since the wrong choice means compliance trouble, downtime, or a plant that never quite treats what it was built for. This guide compares ten manufacturers and solution providers relevant to buyers evaluating industrial wastewater treatment options for their Noida facility.

How We Selected the Top ETP Manufacturers?

The companies on this list were shortlisted based on genuine ETP and industrial wastewater experience, the breadth of treatment technologies they offer, manufacturing or engineering capability, the range of industries they’ve served, and whether they support the full project lifecycle: design, customization, installation, commissioning, and AMC/O&M. This is a practical comparison meant to help buyers shortlist vendors; it isn’t an official industry ranking, and it’s worth verifying current certifications and project details directly with each company before signing anything.

Top 10 Effluent Treatment Plant Manufacturers in Noida

1. Netsol Water Solutions Pvt. Ltd.

Netsol Water is a Greater Noida-based Effluent Treatment Plant Manufacturer in Noida, working in water and wastewater treatment since 2012. The company designs and manufactures customized ETP systems for industries including pharmaceuticals, textiles, food processing, automotive, and chemicals, typically starting with wastewater characterization (BOD, COD, TDS, pH, heavy metals) before finalizing a treatment design rather than offering a one-size-fits-all package. Its systems are built around technologies such as MBBR, SBR, MBR, RO polishing, and ZLD, covering everything from small packaged plants to larger customized installations. Netsol Water handles the complete project scope in-house, covering design and engineering, fabrication, installation, electrical and automation work, and commissioning, and follows up with AMC and O&M support so plants keep meeting discharge norms after handover. The company is ISO 9001 certified and has built up a base of industrial clients across Delhi NCR and other regions over more than a decade. As a recent example, Netsol Water successfully installed a 30 KLD ETP plant with a UF system for Dimple Creations in Noida, reflecting its ability to deliver complete, compliance-ready systems for local industrial units. For industries in Noida evaluating a manufacturer who can handle both the engineering and the long-term upkeep of an Effluent Treatment Plant, Netsol Water is a relevant option to shortlist. More detail on its Noida-specific capability is available on its STP and ETP plant manufacturer page.

2. VA Tech WABAG

Headquartered in Chennai with roots going back to 1924 and operations in India since the 1990s, WABAG is a large-scale water and wastewater engineering company active in over 20 countries. It provides industrial wastewater treatment solutions that may serve projects in Noida and other industrial regions, particularly capital-heavy or municipal-scale requirements.

3. Thermax Limited

Thermax, headquartered in Pune, is better known for boilers and energy systems, but its water business has decades of experience treating high-strength effluent from chemicals, pharma, and refinery sectors, combining physico-chemical, biological, and membrane-based treatment with an energy-efficiency focus.

4. Ion Exchange India Ltd.

Mumbai-headquartered and BSE-listed, Ion Exchange manufactures its own resins and treatment chemicals alongside designing plants, a form of vertical integration that’s less common among peers. Its ETP and ZLD project experience spans power, pharma, and chemicals sectors nationally.

5. Praj Industries Ltd.

Praj, based in Pune, is best known for bioenergy engineering, but its industrial wastewater division offers effluent treatment, recycling, and Zero Liquid Discharge systems for steel, chemicals, food & beverage, textile, and pharma clients, with claimed resource recovery upward of 80%. It has installed hundreds of evaporators and ZLD systems nationally.

6. Aquatech Systems Asia Pvt. Ltd.

Based in Pune and part of the globally active Aquatech group, this company specializes in Zero Liquid Discharge and high-recovery membrane systems combining RO, multi-effect evaporation, MVR, and crystallization. It has executed ZLD projects for Indian clients in chemicals, food processing, and steel.

7. L&T Water & Effluent Treatment (L&T Construction)

A business vertical of Larsen & Toubro headquartered in Chennai, this unit handles design, detailed engineering, procurement, and commissioning for industrial effluent treatment, ZLD/recycle systems, and desalination, backed by over four decades of water infrastructure experience nationally, and is better suited to large, complex projects than smaller packaged plants.

8. Veolia Water Technologies India

The Indian arm of the global Veolia environmental services group, offering pan-India industrial wastewater treatment. For companies running multiple manufacturing sites across states or countries wanting a consistent treatment standard everywhere, Veolia’s global technology backing is a relevant differentiator.

9. Doshion Environment Water Solutions

Formerly a joint venture (Doshion Veolia Water Solutions) and now branded independently, this Ahmedabad-headquartered company has over four decades in industrial water and wastewater management, including effluent treatment, reuse, and ZLD. It runs its own manufacturing facility in Gujarat and serves projects across multiple Indian states.

10. Concord Enviro Systems Ltd.

A Mumbai-headquartered, NSE-listed company (NSE: CEWATER) with over two decades in the business, Concord Enviro focuses on industrial wastewater reuse and Zero Liquid Discharge, handling design, manufacturing, installation, and O&M in-house. It has executed projects across pharma, textiles, chemicals, distilleries, automotive, and F&B sectors, with manufacturing presence in India and the UAE.

A quick note: certifications, project references, and contact details can change. Verify current information directly with any manufacturer before finalizing a decision.

Quick Comparison of ETP Manufacturers

How to Choose the Right Effluent Treatment Plant Manufacturer in Noida?

. Wastewater analysis: Get your effluent tested for BOD, COD, TSS, pH, TDS, oil & grease, and industry-specific pollutants before evaluating vendors.

. ETP capacity: Size the plant to actual wastewater flow and peak load, not just average generation, or you’ll be retrofitting within a couple of years.

. Treatment technology: The right choice depends on your wastewater characteristics and required treated-water quality, not on what’s cheapest to install.

. Project experience: Ask whether the manufacturer has executed projects in your specific industry, since a textile ETP and a pharma ETP solve very different problems.

. Complete project scope: Confirm design, manufacturing, installation, electrical work, automation, commissioning, and trial runs are all included, not just equipment supply.

. After-sales service: Check what AMC, O&M, spare parts availability, and technical support look like once the plant is running.

How Much Does an ETP Plant Cost in Noida?

ETP cost depends on several variables working together: capacity, wastewater characteristics, treatment technology, material of construction, level of automation, civil work required, whether tertiary treatment is needed, UF/RO requirements, sludge handling, and installation and commissioning scope. Because these factors vary so much from one industry and site to another, there’s no single fixed price that applies across the board. Getting an accurate quote requires a proper wastewater characterization study followed by a technical design specific to your effluent; anything quoted before that stage is, at best, a rough estimate.

Which ETP Technology Is Suitable for Your Industry?

Chemical treatment handles coagulation, flocculation, and neutralization, usually as a pre-treatment step rather than a complete solution. MBBR works well for moderate, variable loads using biofilm-coated media for compact biological treatment. SBR runs fill-react-settle-decant cycles in one tank, suited to larger, automated operations. MBR combines biological treatment with membrane filtration for higher effluent quality where space is tight. UF and RO serve as tertiary polishing stages for reuse-grade water. ZLD recovers nearly all water, leaving only dry solid waste, typically required where discharge mandates are strictest.

There’s no universally “best” technology; the right choice depends on your wastewater characteristics, required output quality, available space, reuse goals, operating cost, and regulatory requirements for your industry.

Frequently Asked Questions (FAQs)

Q1. What is an Effluent Treatment Plant?

An ETP is a system that treats industrial wastewater to remove pollutants before it’s discharged or reused, using physical, chemical, and biological treatment stages.

Q2. Which industries require an ETP plant?

Pharma, textiles, chemicals, food processing, automotive, electronics, and any industry generating wastewater with pollutants beyond permissible discharge limits.

Q3. How do I choose an Effluent Treatment Plant Manufacturer in Noida?

Check wastewater analysis practices, technology fit, project experience in your sector, complete project scope, and after-sales AMC/O&M support.

Q4. How much does an ETP plant cost in Noida?

It varies by capacity, technology, and automation level. Accurate costing needs a wastewater characterization study and site-specific design.

Q5. Which technology is best for an industrial ETP?

None is universally best; MBBR, SBR, MBR, UF, RO, or ZLD are chosen based on your effluent characteristics and required output quality.

Q6. Can treated ETP water be reused?

Yes, treated water can often be reused for cooling, gardening, or process applications after tertiary treatment like UF or RO polishing.

Q7. How often does an ETP plant require maintenance?

Daily monitoring of flow, pH, and dosing; weekly screen cleaning; monthly pump and blower servicing; and an annual full overhaul with compliance testing.

Conclusion

Industrial wastewater treatment isn’t optional in Noida’s manufacturing landscape, and picking the right ETP comes down to matching technology to your effluent, verifying a manufacturer’s actual project experience, and making sure installation and after-sales support are part of the package, not an afterthought. Lifecycle cost, not just the upfront quote, usually decides whether an ETP investment pays off. For industries looking for a customized ETP solution built around their specific wastewater profile, Netsol Water offers design, manufacturing, installation, and AMC support tailored to individual capacity and compliance requirements, alongside related Industrial RO Plant and Zero Liquid Discharge systems for industries needing higher water recovery.

Looking for an Effluent Treatment Plant Manufacturer in Noida? Contact Netsol Water for a customized ETP solution based on your wastewater characteristics, capacity and treatment requirements.