How much does a sewage treatment plant cost?

A sewage treatment plant costs between ₹2-8 lakhs for residential units and ₹10-50 lakhs for commercial systems, depending on capacity and technology. Installation costs add 30-40% to the base price, including excavation, plumbing, and electrical connections. Annual maintenance ranges from ₹15,000-₹40,000 covering servicing, desludging, and repairs. Total lifecycle costs span 15-20 years with proper maintenance, making it a cost-effective long-term wastewater solution.

Which sewage treatment plant is best for home?

The best home sewage treatment plant depends on family size, budget, and maintenance preference, with SBR and MBBR being top choices. SBR systems offer 95%+ treatment efficiency, compact design, and automated operation ideal for 4-20 people households. MBBR plants provide consistent performance and minimal maintenance and handle load variations effectively for larger families. Both technologies ensure odor-free operation, produce reusable treated water, and comply with pollution control board standards.

How does sewage treatment plant work?

A sewage treatment plant works through three main stages: primary treatment removes large solids and debris through screening and settling. Secondary treatment uses beneficial bacteria in aeration tanks to break down organic matter and pollutants biologically. Tertiary treatment includes disinfection and advanced filtration to produce clean, reusable water meeting discharge standards. The entire process transforms raw sewage into treated effluent suitable for irrigation, groundwater recharge, or safe environmental discharge.

How much does a wastewater treatment plant cost?

Wastewater treatment plant costs vary significantly based on capacity, with $12 million per million gallons per day (MGD) of average flow for municipal systems. Small-scale plants range from $1-5 million for several hundred thousand to few million gallons daily capacity, while industrial systems cost ₹5-50 crores depending on treatment requirements. Operating costs include electricity (₹2-8 lakhs annually), maintenance (₹3-15 lakhs yearly), and skilled operator salaries (₹3-8 lakhs per year). Total lifecycle costs span 20-30 years with proper design, making cost-per-gallon analysis essential for project viability assessment.

What are the types of wastewater treatment plants?

Wastewater treatment plants are classified into three main categories: primary treatment removes physical solids through screening and settling processes. Secondary treatment uses biological processes like activated sludge, trickling filters, and membrane bioreactors to remove organic pollutants and nutrients. Tertiary treatment provides advanced purification through filtration, disinfection, and specialized processes for specific contaminant removal. Modern plants often combine multiple technologies in integrated systems to achieve 95%+ treatment efficiency meeting stringent discharge standards.

How does wastewater treatment plant work?

Wastewater treatment plants operate through sequential multi-stage processes that progressively remove contaminants from sewage and industrial effluents. Primary treatment physically separates large solids and debris through screening, grit removal, and gravity settling in clarification tanks. Secondary treatment employs beneficial bacteria in aeration systems to biologically consume organic pollutants, converting them into harmless byproducts and biomass. Tertiary treatment provides final polishing through filtration, disinfection, and advanced processes to produce clean effluent suitable for safe environmental discharge or reuse applications.

An STP plant (Sewage Treatment Plant) is a facility that treats wastewater and sewage to remove contaminants before releasing it into the environment or reusing it for non-drinking purposes. STPs use physical, biological, and chemical processes to purify wastewater from homes, apartments, commercial buildings, and industries. The treated water can be reused for gardening, flushing, cooling towers, or safely discharged, helping reduce water pollution and promote water conservation.

Advanced Packaged Sewage Treatment Plants

HECS - India's Leading Sewage Treatment Plant Manufacturer & Wastewater Treatment Solutions Provider

PACKAGED SEWAGE TREATMENT PLANT

PACKAGED STP & ETP

HECS is pioneering a quality revolution in on-site sewage treatment with high-performance Packaged Sewage Treatment Plants (STPs) and Effluent Treatment Plants (ETPs) featuring IoT-enabled FRP tanks for real-time monitoring, predictive maintenance, and enhanced efficiency. As India’s leading sewage treatment company, we offer compact, eco-friendly and cost-effective STP solutions for residential, commercial and industrial use. Our FRP Packaged STP plant is easy to install, low-maintenance, and long-lasting, powered by advanced MBBR, SBR, and MBR technologies to treat wastewater to high pollution control standards, enabling wastewater recycling for irrigation, flushing, and industrial use. With smart monitoring and automation, our systems optimise wastewater treatment efficiency, reduce downtime and ensure seamless operation. As one of India’s leading sewage treatment companies, HECS has successfully implemented over 7,000+ wastewater treatment plant projects nationwide. Our factory-fabricated STP plant systems ensure consistent quality, reliable performance, and long-term durability across residential complexes, commercial buildings, industrial facilities, and municipal installations.

Our Products

HECS Ultima Series Packaged Sewage Treatment Plants

HECS Amaze Membrane Bioreactor (MBR) Sewage Treatment Plant

HECS MediClear – Hospital Effluent Treatment Plant (ETP)

HECS Customized Packaged Effluent Treatment Plants

Residential Packaged Sewage Treatment Plants

Industrial Packaged Sewage Treatment Plants

HECS

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Years of Experience

India’s 1st IoT-Enabled & AI-Powered Sewage Treatment Plant

IoT-Enabled STP

Real-Time Monitoring
Smart Alerts & Automation
Remote Access & Control

Real-Time Monitoring

Smart Alerts & Automation

Remote Access & Control

AI-Powered STP

Self-Learning Process Optimization
Predictive Maintenance
Data-Driven Decision Making

Self-Learning Process Optimization

Predictive Maintenance

Data-Driven Decision Making

Trusted By Industry Leaders

HECS Packaged STP Solutions

HECS revolutionises sewage treatment plant technology as India’s first manufacturer to introduce IoT-integrated STPs with smart monitoring capabilities. Our advanced packaged sewage treatment plants feature:

Smart Technology Features

IoT-based monitoring for real-time performance tracking
Remote operation via mobile app with automated alerts.
Energy optimisation, reducing power consumption by 30%
Predictive maintenance prevents 90% of potential failures

Technical Specifications

Treatment Capacity: 1 KLD to 1000 KLD per day
Treatment Efficiency: 95-99% BOD and COD removal
Space Requirement: 40-60% less than conventional systems
Power Consumption: 30% lower than traditional STPs.

Award & achievement

Best Water Company 2023

Suchitwa Mission Empanelled

Make in India

5000+ Projects Completed

Presence in 5+ Countries

HECS PSTPs

Cleaner Water, Greener Future

Advanced Packaged Sewage Treatment Plants by HECS revolutionize modern wastewater treatment systems through innovative technology and superior efficiency. These smart sewage treatment solutions convert wastewater into high-quality treated water, delivering exceptional water recycling capabilities while protecting environmental resources. Compact sewage treatment plants from HECS combine space-saving design with powerful wastewater management performance, making them ideal for residential, commercial, and industrial applications.Engineered for sustainable water treatment, HECS systems reduce environmental impact through advanced biological wastewater treatment processes that exceed industry standards. These eco-friendly sewage systems promote water conservation and wastewater recycling, supporting green building initiatives and sustainable development goals.

Why choose HECS PSTP

since 1998

Sewage Treatment Plants

A sewage treatment plant is a specialized facility designed to treat and purify wastewater from residential, commercial, and industrial sources before safe discharge into the environment or water reuse applications. Modern sewage treatment plants remove 95-99% of contaminants through multi-stage processes including primary sedimentation, biological treatment, and advanced filtration systems.

A packaged sewage treatment plant is a compact, pre-engineered wastewater treatment system that delivers the same performance as conventional STPs in 70% less space. These self-contained packaged STP units are factory-fabricated for rapid installation, making them ideal for residential complexes, commercial buildings, and industrial facilities with space constraints.

What our client's have to say

The previous STP was unprofessional and outdated, causing frequent operational challenges. With the HECS Smart STP, the entire process is automated and seamless, making our operations far more efficient. We are very happy with this system, and despite the initial investment, the benefits in reduced maintenance and operational ease make it well worth the cost.”

Mr. Subodh Sharma Vice President, Interarch Building Products Ltd

"We involved HECS for both our Sewage Treatment Plant (STP) and Effluent Treatment Plant (ETP), and the results have been exceptional. The STP with 6 KLD capacity and ETP with 20 KLD capacity operate seamlessly with the latest technologies. The treated water is effectively reused within our plant and for gardening purposes, aligning perfectly with our sustainability goals. This partnership has significantly improved our wastewater management practices.”

Mr. Selvam General Manager, Global Pharma

"Unlike conventional systems, this fully automated plant has significantly reduced our operational costs and maintenance efforts. The treatment process, from anaerobic and aerobic stages to ultra-filtration, operates seamlessly, providing high-quality treated water for reuse. The HECS SMART HUB App has allowed us to monitor and control the system remotely with ease. This system has truly simplified wastewater management for us.”

Mr. Manikandan Maintenance Engg, Lords 83 Wayanad

HECS - India's Leading Sewage Treatment Plant Manufacturer & Wastewater Treatment Solutions Provider

PACKAGED SEWAGE TREATMENT PLANT

PACKAGED STP & ETP

Our Products

HECS Customized Packaged Effluent Treatment Plants

HECS

Our Achievements

Happy Clients

Projects Completed

Years of Experience

IoT-Enabled STP

AI-Powered STP

Trusted By Industry Leaders

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HECS Packaged STP Solutions

Award & achievement

Best Water Company 2023

Suchitwa Mission Empanelled

Make in India

5000+ Projects Completed

Presence in 5+ Countries

HECS PSTPs

Cleaner Water, Greener Future

Why choose HECS PSTP

since 1998

🌍Global Wastewater Warriors

🏆25+ Years of Water Wisdom

🌐 IoT-Enabled 24/7 Control

🤖 India’s 1st AI-Driven STP Pioneer

📉 Slash Energy & Chemical Costs

🌱 From Waste to Wealth

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