
Water & wastewater treatment · Plant automation
STP, ETP and desalination plants engineered for your site — then automated with Matrix (AI + IoT) to cut running costs by up to 80% and stay compliant, 24×7.
Who we are
Landmark Aquatec International is a trusted leader in smart, sustainable water solutions — Sewage, Effluent and Desalination plants, plus our own AI + IoT automation platform,The Matrix.
With decades of engineering experience and an end-to-end approach — consultation, site assessment, design, installation, commissioning and maintenance — we don't just treat water; we build intelligent, reliable, eco-friendly systems.
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What we do

Matrix – Water Plant Automation is our innovation which delivers smart control systems for efficient, reliable, and automated operation of water and wastewater treatment plants.
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Sewage Treatment Plants (STPs) treat wastewater efficiently, ensuring safe disposal, environmental protection, and sustainable water reuse for communities and industries.
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Effluent Treatment Plants (ETPs) treat industrial wastewater, removing pollutants to ensure environmental compliance and enable safe water discharge or reuse.
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Desalination Plant Solutions convert seawater into fresh, usable water using advanced technology, supporting water sustainability in coastal and water-scarce regions.
Learn moreThe Matrix — AI + IoT automation
Matrix remotely monitors, operates and maintains your plant — so it runs with near-zero manpower and self-optimises around load. On a typical 500 KLD plant it cuts the 5-year running cost roughly in half.
saved on overall O&M cost
saved on maintenance cost
saved on consumables & chemicals
saved on electricity bills

How we work
A free site visit and audit of your water setup, load and compliance targets — no cost, no obligation.
Civil or prefab STP / ETP / desalination, engineered to your flow and space, then installed and commissioned.
Add Matrix (AI + IoT) to run the plant remotely with near-zero manpower, backed by 24×7 O&M support.



























Landmark Aquatec International is a trusted leader in water and wastewater treatment solutions, having projects Globally offering sustainable, efficient, and innovative systems across residential, commercial, industrial, and municipal sectors. With decades of engineering experience & Highly Qualified professionals, we specialize in delivering customized solutions that promote environmental responsibility and long-term performance.
We provide a wide range of advanced solutions, including Sewage Treatment Plants (STPs), Effluent Treatment Plants (ETPs), Desalination Systems, High Rate Sand Filter ( HRSF ) , Softeners , Demineralization Plants, Reverse osmosis, ETP Recovery Plants, with AI , IOT based Water Plant Automation through our proprietary Matrix technology. Our offerings are designed for high efficiency, long-term durability, and compliance with environmental regulations for safe discharge or reuse.
We serve diverse sectors including residential societies, commercial buildings, industrial manufacturing units, hospitals, hotels & Resorts, Construction projects , IT parks, and Government projects. Our systems are tailored to each industry's unique challenges, offering reliable performance and regulatory compliance regardless of project size or complexity.
What distinguishes us is our end-to-end approach, from consultation to commissioning, coupled with cutting-edge automation, exceptional customer support, and commitment to sustainability. Our Matrix Automation platform ( Remote monitoring & Operating Technology ) and experienced team ensure maximum efficiency, reduced costs, and high client satisfaction across every project we undertake.
A Sewage Treatment Plant (STP) processes domestic and municipal wastewater, removing contaminants and pathogens to make it safe for reuse or discharge. STPs are essential for protecting public health, preserving water bodies, and meeting environmental regulations, making them a vital component of sustainable urban and residential infrastructure.
An Effluent Treatment Plant (ETP) is designed to treat wastewater from industrial processes. It removes hazardous chemicals, oils, heavy metals, and other pollutants through various physical, chemical, and biological stages. Treated water can be safely discharged or reused, helping industries comply with environmental norms and reduce ecological impact.
Yes, Landmark Aquatec International offers advanced Desalination Plant Solutions that convert seawater or brackish water into potable or industrial-grade water. Using technologies like Reverse Osmosis (RO), our systems are ideal for coastal, remote, and water-scarce areas, providing a reliable and sustainable alternative water source with high efficiency.
Its a combination of hardware , software , Artificial intelligence, Internet of things which helps to accurately Operate ,monitor & maintain a Plant Remotely on PC / Mobile without Dependency of Man Power to Operate & there errors. Automation, and how does it work?Matrix is our proprietary Automation system that enables smart control, real-time monitoring, and predictive maintenance for all types of treatment plants. It optimizes performance, reduces human error, and drastically lowers costs. Matrix ensures seamless, data-driven operations with remote access to monitoring to clients and intelligent alerts for improved efficiency and savings.
Absolutely. We offer customized AMCs locally & internationally both that include Operation , documentation , periodic inspections, preventive maintenance, emergency support, and performance optimization. These contracts ensure the long-term health of your system, reduce downtime, and give you peace of mind with consistent, reliable service throughout the year.
We provide comprehensive after-sales support including remote monitoring, technical assistance, spare parts, system diagnostics, and on-site visits when necessary. Our expert team is always available to ensure your plant runs smoothly and meets performance expectations long after installation.
Yes, we specialize in upgrading and retrofitting old or underperforming water or waste water treatment systems. Our experts assess your current setup and provide solutions that improve efficiency, automation, and compliance with updated environmental standards—without the need for a full system overhaul.
Yes, we offer detailed training sessions for your operational team. Our training includes hands-on guidance, operational best practices, Safety and troubleshooting support to ensure your staff can confidently manage the system and maximize its performance from day one.
Yes, we assist clients in obtaining required environmental clearances, approvals, and compliance certificates. Our team works with regulatory bodies and consultants to ensure your project meets all necessary environmental norms and legal requirements, helping you stay fully compliant from planning to execution.
You can request a proposal by contacting us through our website, phone, or email. We will schedule a site visit, understand your requirements, conduct a technical assessment, and provide a tailored proposal with cost estimates and project timelines.
Yes, our systems comply with national and international standards and are certified where applicable. We follow Central Pollution Control Board (CPCB) guidelines and other statutory requirements to ensure the highest quality and environmental compliance.
Absolutely. Our solutions are designed to support national and local sustainability initiatives like Swachh Bharat, Smart Cities Mission, and Jal Shakti Abhiyan. We promote responsible water reuse, energy efficiency, and minimal chemical usage in line with green goals.
Talk to an engineer — free site audit, custom proposal in 48 hours.