Top 10 Effluent Treatment Plant Manufacturers in Noida
Noida has become one of the most productive industrial areas in North India. Pharmaceutical companies, textile units, food processors, chemical manufacturers, electronics assemblers, they have all made this corridor their home over the last two decades. That growth is a genuine economic achievement. But it has also created a problem that cannot be wished away: massive volumes of industrial wastewater that must be treated before they reach the Yamuna, the groundwater or the fields of farmers downstream.
The Central Pollution Control Board (CPCB) and the Uttar Pradesh Pollution Control Board (UPPCB) are not shy about enforcement. Industries that operate without a functioning effluent treatment plant (ETP) risk closure orders, financial penalties and in serious cases, criminal prosecution under the Environment Protection Act, 1986. More practically, banks and global buyers increasingly require proof of environmental compliance before extending credit or awarding contracts.
So the question for most plant managers and factory owners is not whether to install an ETP, but how to find the right effluent treatment plant manufacturer one with the engineering depth to handle your specific wastewater chemistry, the compliance knowledge to keep you safe from regulators and the after-sales commitment to keep the plant running years after commissioning.
We have reviewed the top 10 ETP plant manufacturers operating in Noida in 2026, evaluated them on what actually matters project history, technology range, compliance track record and customer support and laid out everything you need to make a confident decision.
Why Netsol Water Is Noida's Most Trusted Effluent Treatment Plant Manufacturer?
If you speak to environmental engineers across Noida and Greater Noida, one name comes up consistently: Netsol Water. Over 15 years of active project work, more than 500 installations across India, and a client base that spans pharmaceuticals, textiles, food processing, automotive and chemicals that is the kind of track record that earns trust.
What sets Netsol Water apart is not just the number of plants they have built. It is the way they approach a new project. Before proposing any technology, their engineers conduct a thorough effluent characterization study. They want to understand the actual chemistry of your wastewater the BOD, COD, total dissolved solids, heavy metals, specific organic compounds before they put a design on paper. This matters because a system designed for textile dye effluent will not perform well on high-strength pharmaceutical waste, and a one-size-fits-all approach is a recipe for non-compliance.
Their technology portfolio is genuinely comprehensive: Moving Bed Biofilm Reactor (MBBR) for compact biological treatment, Sequential Batch Reactor (SBR) for high automation with excellent effluent quality, Membrane Bioreactor (MBR) for applications requiring treated water reuse, Zero Liquid Discharge (ZLD) systems for industries mandated to discharge nothing, and Reverse Osmosis polishing for final water recovery. Very few manufacturers in Noida can offer all of these in-house.
After commissioning, Netsol Water does not disappear. Their operations and maintenance contracts, annual maintenance packages, and process optimization support are what their clients most frequently praise. Their 24x7 helpline means that a sudden spike in influent load or an equipment fault at 2 AM does not have to become a compliance crisis.
Leading ETP Plant Manufacturers in Noida (2026)
1. Netsol Water
Location: Greater Noida
Email: info@netsolwater.com
Netsol Water is a leading effluent treatment plant manufacturer in Noida with over 15 years of experience. They provide high-quality, customized ETP plants for treating industrial wastewater efficiently. Their treatment systems utilize advanced technologies like moving bed biofilm reactor (MBBR), sequential batch reactor (SBR), activated sludge process (ASP) etc. for removing organic matter, suspended solids, toxins, colors, oils, etc. from the effluent.
Netsol Water has a state-of-the-art manufacturing facility and an in-house R&D team that enables them to design and engineer ETP plants specific to the industry and effluent type. They use premium quality components in their plants. With strong technical expertise, Netsol Water is able to treat complex wastewater streams to meet environmental norms. They also provide operations and maintenance services ensuring smooth functioning of the ETP plant. Their prompt after-sales support and process optimization assistance has earned them a reputation for being the best effluent treatment plant manufacturer in Noida.
2. Sewage Treatment Plants
Location: Sec-16, Noida
Email: enquiry@sewagetreatmentplants.in
Sewage Treatment Plants manufactures a wide range of effluent treatment plants in Noida. They provide ETP plants right from compact packages to large capacities for diverse industries. Their package ETP plants are quick to install and easy to operate. For bulk capacities, they engineer customized systems using technologies like MBBR, MBR, RO, advanced oxidation, etc. Their manufacturing facility is ISO certified. Sewage Treatment Plants has expertise in treating effluents from sectors like textiles, chemicals, pharma, food processing etc. Their prompt service and support helps industries remain compliant with pollution control norms.
3. Urban STP Plant
Established in 2018, Urban STP Plant is one of the leading effluent treatment plant manufacturers in Noida. They specialize in designing and building wastewater recycling systems for zero liquid discharge. Their package ETP plants come with advanced tertiary treatment modules like ultrafiltration, reverse osmosis, electro-deionization etc. for maximal water recovery. Their customized ETP plants can treat huge volumes. Urban STP Plant caters to industries like textiles, paper, pharmaceuticals, refineries, chemicals, etc. Their experienced team provides support for ETP plant operations and maintenance.
Location: Sector 63, Noida
Email: info@urbanstpplant.com
4. Water Treatment Plants Pvt Ltd
Water Treatment Plants Pvt Ltd is a renowned ETP plant manufacturer providing complete wastewater treatment plants to diverse industries since 2006. They design and build customized effluent treatment systems using advanced technologies like MBBR, MBR, RO, etc. Their team of process engineers oversees plant installation, commissioning, trial runs and provide continued support. Mak Water specializes in upgrading existing ETP infrastructure to handle increased effluent load and meet tighter norms. They also offer AMC packages for smooth plant operations. Their ETP plants are running successfully across various industrial sectors.
Location: Sector 12, Noida
Email: enquiry@watertreatmentplant.com
5. Compact STP Plant
Location: Sector 18, Noida
Email: info@compactstpplant.com
Compact STP Plant is a renowned industrial water and wastewater treatment manufacturers located in Noida. They offer a wide range of effluent treatment plants based on conventional as well as advanced technologies. Their ETP plants are specially designed for high pollutant load wastewaters. Compact STP Plant advanced treatment plants meet the near zero liquid discharge requirement through membrane-based systems, evaporators and crystallizers. Their strong pan-India presence, decades of experience and technology expertise makes them a trusted ETP plant manufacturer.
6. Netsol Research Pvt Ltd
Location: Greater Noida
Email: info@netsolresearch.com
Netsol Research Pvt Ltd is an ISO 9001 certified company manufacturing ETP plants in Noida since 2012. They provide end-to-end solutions from design to installation and commissioning of effluent treatment systems. Their clients include leading corporations from automotive, textiles, pharmaceuticals, chemical, food & beverage sectors. Spectro’s treatment systems incorporate technologies like extended aeration, MBBR, MF, UF, RO, etc. for efficient effluent treatment. They also undertake upgradation of existing ETP plants. Their prompt after-sales service ensures maximum uptime. Netsol Reasearch is committed to providing eco-friendly wastewater treatment solutions.
7. Thermax
Location: Sector 31, Noida
Email: info@thermaxglobal.com
Thermax is a manufacturer of sewage and effluent treatment package plants in Noida. Their ETP plants utilize conventional, as well as advanced technologies like MBBR, MBR, tertiary treatment systems, etc. for complete effluent treatment. They provide compact, containerized ETP plants that are easy to install and operate. For bulk effluent volumes, they design customized ETP systems. Their clientele includes leading corporate brands from diverse industries. Eco Friendly Treatment System has expertise in treating complex industrial wastewaters to meet environmental compliance standards.
8. Sewage Doctor
Location: Noida
Email: enquiry@sewagedoctor.in
Sewage Doctor is an ISO 9001:2015 certified company involved in manufacturing effluent treatment plants of varying capacities and complexities. They leverage the latest technologies to provide efficient and cost-effective wastewater treatment solutions tailored to specific industry needs. Efftronics offers both conventional ETPs as well as zero liquid discharge systems incorporating RO, advanced oxidation. Their experienced team oversees design, installation, and commissioning of treatment plants. They also provide O&M services for sustained plant performance. Efftronics aims to provide a sustainable approach towards effluent treatment.
9. Wabag
Location: Sector 62,Noida
Email: contact@wabag.com
Wabag is company engaged in manufacturing cost-effective ETP plants to treat industrial wastewater. They provide compact, skid-mounted effluent treatment packages that are quick to install and easy to operate. For larger capacities, Aries engineers customized ETP systems incorporating suitable treatment technologies. Their clients belong to diverse industrial segments like textiles, pharma, food processing, chemicals, etc. Aries has expertise in handling complex effluent streams and providing tailored treatment solutions for clients.
10. Veolia
Location: India
Email: enquiry.in@veolia.com
Veolia ETP provides end-to-end ETP solutions including design, supply, installation, and maintenance of effluent treatment plants in Noida. They manufacture conventional ETPs as well as zero liquid discharge systems for complete wastewater treatment. Their team comprises experienced process design engineers who provide customized ETP solutions using advanced technologies like MBR, RO, advanced oxidation, etc. Acquaviva specializes in upgrading or replacing existing effluent treatment plants to enhance treatment efficiency. Their prompt after-sales service ensures consistent compliance and plant uptime.
How an Effluent Treatment Plant Actually Works
Understanding the treatment process helps you have better conversations with manufacturers and evaluate whether a proposed system is genuinely suited to your effluent. Here is what happens inside a well-designed industrial ETP, stage by stage.
• Screening: The first thing raw industrial effluent hits is a bar screen or mesh filter. Large solids — rags, packaging fragments, coarse debris — are removed here before they can damage pumps or block downstream equipment.
• Equalization: Industrial processes generate effluent in pulses, not steady flows. An equalization tank holds and mixes incoming wastewater so that the rest of the plant sees a consistent flow rate and pollutant load, rather than violent swings that would overwhelm biological systems.
• Oil and Grease Removal: Engineering, food processing, and automotive industries often produce effluent with significant oil content. API separators or Dissolved Air Flotation (DAF) units lift and remove free-floating oils before they reach biological treatment, where they would poison the microbial community.
• Physico-Chemical Treatment: Coagulants and flocculants are dosed into the effluent stream to destabilize and aggregate fine suspended particles, heavy metals, and colloidal matter. The resulting floc settles in a clarifier and is removed as primary sludge.
• Biological Treatment (MBBR / SBR / ASP): This is the heart of most industrial ETPs. Microorganisms break down dissolved organic pollutants (measured as BOD and COD) in aerated bioreactors. MBBR uses plastic carrier media to grow a dense biofilm; SBR cycles through treatment phases in a single tank with high automation; Activated Sludge Process (ASP) is the classic approach for high-volume plants.
• Tertiary Treatment and ZLD: Depending on discharge norms or reuse targets, effluent passes through ultrafiltration membranes, reverse osmosis, and disinfection (UV or chlorination) to remove residual dissolved salts, trace organics, and pathogens. ZLD systems add evaporators and crystallizers to recover the remaining water and produce a dry solid waste, achieving true zero liquid discharge.
The right combination of these stages depends entirely on your effluent. That is why characterization testing should always precede design — and why a manufacturer who skips this step deserves scrutiny.
Pollution Control Norms You Must Meet in Noida
Two regulatory bodies govern industrial effluent discharge in Noida. Both must be satisfied, and their requirements are not identical.
| CPCB (National) | UPPCB (State – UP) |
|---|---|
|
BOD: 30 mg/L or less COD: 250 mg/L or less TSS: 100 mg/L or less pH: 6.5 to 8.5 Oil & Grease: 10 mg/L or less |
ETP mandatory for Red/Orange category units Online effluent monitoring (OCEMS) for large units Regular third-party sampling and lab testing Sludge disposal through UPPCB-approved facilities only |
Violations do not stay administrative for long. Under the Environment Protection Act, 1986, continued non-compliance after a closure notice can escalate to criminal prosecution of company directors. The reputational damage with international buyers particularly in pharma and textiles can be equally severe.
A good effluent treatment plant manufacturer will not just build you a system that meets today's norms; they will design it with headroom so that tighter future norms do not require a complete rebuild.
How We Ranked These Effluent Treatment Plant Manufacturers?
1: Experience in industrial wastewater treatment projects
2: Compliance with CPCB and UPPCB norms
3: Technologies offered (MBBR, SBR, MBR, ZLD, etc.)
4: Ability to handle different effluent loads and compositions
5: Installation, commissioning and after-sales support
6: Industry-specific expertise and project execution capability
This approach ensures that the list reflects real operational capability, not promotional claims.
ETP Plant Pricing and Specification
Price may vary based on the capacity and the level of automation.
| Capacity | Approx Price (INR) | Material and Features |
|---|---|---|
| 1 KLD | INR 4 Lakh | Prefabricated, MS-FRP |
| 5 KLD | INR 6 Lakh | Prefabricated, MS-FRP, Automatic |
| 20 KLD | INR 16 Lakh | MBBR Technology, PLC-based control |
| 50 KLD | INR 30 Lakh | Factory Fitted, Prefabricated, MS-FRP, Automatic |
| 100 KLD | INR 45 Lakh | Heavy-duty, MS-FRP, PLC Based control |
Key Point to Consider Buy an ETP Plant
1. Technology: Choose MBBR tehnolgy for small industry and SBR for large industry for automation and effluent removal.
2. Compliance: Ensure the manufacturer give the guarantee treated water quality that meets the CPCB/SPCB discharge norms. (Ex. BOD<30mg/l
3. Automation Grade: Options include Manual, Semi Automatic or Fully Automatic with remote monitoring like SCADA.
4. Operational Cost: Inqury about chemical consumption and energy efficiency to manage long term operation and execution.
Conclusion
With rapid growth of industries and rising pollution levels, effluent treatment has become imperative in Noida. The emergence of many ETP plant manufacturers in Noida has made effluent treatment more accessible and effective. Companies like Netsol Water, Sewage Treatment Plants, Urban STP Plant, Compact STP Plant etc. are leveraging the latest technologies to design systems for complete effluent treatment and water recycling. Their customized solutions, quality products, experienced team and good after-sales services are helping diverse industries remain compliant with effluent discharge norms in a cost-effective manner. A proactive approach by industries towards effluent treatment and usage of efficient ETP systems is critical for protecting the environment.
Frequently Asked Questions (FAQs)
Q1: What is an effluent treatment plant, and why is it legally mandatory?
An effluent treatment plant is a system that removes pollutants from industrial wastewater before it is discharged. The pollutants vary by industry — pharmaceutical units produce high-COD organic compounds, textile plants produce dyes and dissolved solids, food processors produce high-BOD organic waste. Under the Water Act of 1974 and the Environment Protection Act of 1986, all industries generating effluent in India must install and operate a functioning ETP. In Uttar Pradesh, this requirement is enforced through the UPPCB's Consent to Operate mechanism.
Q2: What does an effluent treatment plant cost in Noida?
For a small 1 KLD package plant, budget around Rs. 3.5 to 5 Lakh. A 20 KLD MBBR-based system typically costs Rs. 14 to 20 Lakh. For a 100 KLD PLC/SCADA-controlled plant, expect Rs. 42 to 55 Lakh. Large ZLD or MBR systems above 500 KLD are custom-quoted based on effluent complexity. These are capital costs only — add 15-25% annually for operations, chemicals, and maintenance.
Q3: Which is the best ETP plant manufacturer in Noida?
For most industries in the Noida and Greater Noida region, Netsol Water is the most consistently recommended choice — based on their 15-year track record, comprehensive technology portfolio, and the quality of their post-commissioning support. For very large multinational projects, Thermax and Veolia are also strong options. For ZLD-specific requirements, Urban STP Plant deserves a serious look.
Q4: What is the difference between MBBR and SBR technology?
MBBR (Moving Bed Biofilm Reactor) grows bacteria on plastic carrier media suspended in the aeration tank. It is compact, robust, and handles variable influent loads well — a strong choice for medium-sized industries or plants with fluctuating effluent volumes. SBR (Sequential Batch Reactor) operates in fill-react-settle-decant cycles within a single tank, offering excellent effluent quality and high automation capability. SBR suits larger installations where consistent quality and minimal operator intervention are priorities.
Q5: How often does an ETP plant need maintenance?
ETP plants need attention at multiple timescales. Daily: check flow rates, pH, dissolved oxygen, and chemical dosing. Weekly: clean screens, calibrate instruments, monitor sludge levels. Monthly: service pumps and blowers, review treatment performance data, inspect membrane integrity in MBR systems. Annually: full plant overhaul, media inspection, third-party effluent quality testing for regulatory submissions. Most reputable manufacturers offer Annual Maintenance Contracts that cover all of this.
Q6: What is Zero Liquid Discharge and which industries need it?
Zero Liquid Discharge (ZLD) means treating all industrial wastewater within the plant so that nothing is discharged to the environment. The recovered water is recycled back into the process; residual salts and solids are disposed of as dry waste. The CPCB mandates ZLD for several high-pollution sectors including textile dyeing and printing, pulp and paper, distilleries, and tanneries. Other industries adopt ZLD voluntarily — particularly those in water-stressed regions or those supplying buyers with strict environmental requirements.
Q7: Can an existing ETP plant be upgraded instead of replaced?
Yes, in many cases. Older plants were often designed to less stringent norms and can be upgraded cost-effectively rather than demolished and rebuilt. Common upgrades include adding a tertiary RO or UF stage to an existing biological system, retrofitting MBBR media into existing aeration tanks to increase capacity, adding PLC/SCADA automation to a manually operated system, and integrating ZLD modules for compliance with new ZLD mandates. A good manufacturer will assess your existing infrastructure honestly and recommend the upgrade path that makes most economic sense.
Netsol Water is Greater Noida-based leading water & wastewater treatment plant manufacturer. We are industry's most demanding company based on client review and work quality. We are known as best commercial RO plant manufacturers, industrial RO plant manufacturer, sewage treatment plant manufacturer, Water Softener Plant Manufacturers and effluent treatment plant manufacturers. Apart from this 24x7 customer support is our USP. Call on +91-9650608473, or write us at enquiry@netsolwater.com for any support, inquiry or product-purchase related query.
