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Remembering the Future
SR Paryavaran
Engineers
Water and wastewater engineering for industry, infrastructure and the public sector
6,000+ systems delivered. 150,000+ membranes commissioned. 4 billion litres of water treated.
For Industrial & Private Sector
Water and wastewater systems for industrial plants.
We design, manufacture and commission membrane-based treatment systems for pharma, textile, chemical, power, steel, refinery and F&B plants — effluent treatment, water recycling, ultrapure water and ZLD. If you have a site and a set of parameters, our engineers will tell you what the treatment physics allow.
For Public Sector, Defence & Municipal
35 years of tendered, audited, commissioned public-sector work.
SRPEPL has delivered water and wastewater systems to integrated steel plants, thermal power stations, refineries, urban local bodies, armed forces formations and land-border infrastructure. Our documentation, QA/QC and commissioning practice are built for tender-driven procurement — ISO 9001, 14001 and 45001 certified.
Who We Are
About SR Paryavaran Engineers
SR Paryavaran Engineers (P) Ltd. is a water and wastewater treatment company founded in 1990, specialising in the design, manufacture and delivery of membranes and membrane-based systems. Over 35 years, we have delivered 6,000+ systems, including 450+ Membrane Bioreactor (MBR) plants, 4,000+ UF + RO systems, 200+ heavy-metal removal systems and multiple Zero Liquid Discharge (ZLD) trains, with 400+ MLD of installed wastewater treatment capacity across public, defence, municipal and industrial sectors.
We manufacture our own MBR, RO, UF and Ultra-High-Pressure (UHP) membrane elements in India and have commissioned 150,000+ membrane elements, including replacement orders for Indian refineries and petrochemical plants.
What We Do
Three Core Business Pillars
End-to-end water engineering — turnkey EPC, proprietary membrane technology, and long-term operated systems.
Large-scale turnkey EPC — ETP, STP, TTP, ZLD, CETP, desalination, UPW and resin-based heavy-metal removal — for industrial plants, integrated steel works, refineries, thermal power stations, urban local bodies, defence and Indian Railways.
Flat-sheet MBR (AEROFLO® line), spiral-wound BW-RO (SRP BW series), high-pressure seawater RO (SRP HP series), UHP elements and UF modules — at two Indian facilities under the SRP® brand. Supplied to our own EPC and third-party contractors.
Multi-year chemical and mechanical O&M, DBO and annuity contracts. Our engineers remain accountable through the Defect Liability Period and beyond — often 5 years post-commissioning — supported by five regional after-sales offices across India.
Proof in the Field
Case Studies
Real projects. Named clients. Engineering accountable to outcome.
Commissioned
SAIL Bokaro — Zero Liquid Discharge System
3-stage membrane plus evaporation ZLD recovering process water from steel-plant effluent — one of the anchor ZLD references in India's integrated steel sector.
Commissioned
Haryana AMRUT — 15 STPs + 100 km Sewerage
Municipal-scale wastewater infrastructure under India's AMRUT mission — 15 distributed STPs and 100 km of collection network delivered as a single EPC package.
Under Execution
1,320 MW Supercritical Thermal Power Plant
Membrane-based tertiary recycle and ZLD polishing (300 m³/hr) for a supercritical plant — engineered to cut fresh-water intake while meeting CEA thermal-plant water-use norms.
Why Choose Us
Why SRPEPL
SRPEPL is chosen for projects where engineering quality, technology depth and operational accountability all matter — large-scale turnkey EPC contracts, technically demanding effluent streams, and multi-year operated systems.
Over 6,000 water and wastewater systems executed since 1990 — packaged units through to multi-crore turnkey projects for industrial, public-sector and municipal clients.
We manufacture MBR, RO, UF and UHP membrane elements and fabricate pressure vessels, tanks and skids, keeping critical technical decisions within our engineering team.
Our membrane elements are in regular replacement-order rotation at refineries, petrochemical plants and steel facilities handling high-TDS and aggressive streams.
ISO-certified design practices aligned with CPCB norms, IS drinking water standards and environmental regulations.
Our Process
How We Work
The project process.
Consultation & Study
We assess site conditions, water quality, capacity, and regulations to define the right solution.
Design & Engineering
We deliver optimised process designs, select technologies, and prepare detailed engineering.
Manufacturing & Installation
We manufacture, install, and commission systems with precision and timely execution.
Operation & Support
We offer AMC, upgrades, and maintenance for reliable long-term performance.
Ready to Engineer a Cleaner Water Future?
Connect with our team for turnkey solutions, membrane supply or long-term O&M partnerships.
Our Key
Solutions.
Got any
Questions?
We specialise in membrane-based water and wastewater treatment systems, including MBR, RO, UF and UHP technologies. We design, manufacture and execute complete ETP, STP, ZLD and desalination solutions with over 6,000 systems delivered.
Our headquarters is in Panchkula, Haryana, with manufacturing units in Panchkula and Baddi, and regional offices across India. We also operate an international office in Dubai, UAE.
We serve public utilities, defence, railways and industrial sectors such as pharma, textiles, chemicals and power, including organisations like SAIL, MRPL, CPCL and Indian Railways.
Yes, we manufacture MBR, RO, UF and UHP membranes in India and integrate them into our systems. We have supplied over 150,000 membrane elements globally.
UHP systems operate above standard RO pressure limits and are used for high-TDS streams, ZLD brine concentration and industrial effluent polishing.
You can reach us via our contact page, email at info@srpepl.com, or call/WhatsApp +91 98759 55948. For international enquiries, contact our Dubai office.