Sewage Treatment Plant (STP) Solutions
Aadhiraj Water Solutions Pvt. Ltd.
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At Aadhiraj Water Solutions Pvt. Ltd., we provide end-to-end Sewage Treatment Plant (STP) solutions designed to treat domestic wastewater efficiently and sustainably. Our STP systems are engineered to meet pollution control norms, reduce environmental impact, and enable safe reuse of treated water for non-potable applications.
What Is a Sewage Treatment Plant (STP)?
A Sewage Treatment Plant (STP) treats domestic wastewater generated from residential, commercial, and institutional facilities. Through a combination of biological, physical, and tertiary treatment processes, STPs remove organic matter, suspended solids, pathogens, and odors—producing treated water suitable for reuse or compliant discharge.
Why STP Is Essential
An efficiently designed STP helps to:
- Comply with CPCB / SPCB discharge standards
- Reduce pollution of natural water bodies
- Reuse treated water for gardening, flushing & cooling
- Lower freshwater consumption and water bills
- Improve hygiene and environmental sustainability

Our STP Process Overview
Preliminary & Primary Treatment
- Bar screening to remove large solids
- Grit removal and oil & grease separation
- Equalization tank for flow balancing
Secondary (Biological) Treatment
- MBBR / FAB / Activated Sludge Process
- Aeration tank for biological degradation of organic load
- Secondary clarifier for biomass separation
Tertiary Treatment
- Pressure Sand Filter (PSF)
- Activated Carbon Filter (ACF)
- Disinfection (UV / Chlorination)
- Optional UF / RO for high-quality reuse
Sludge Handling
- Sludge thickening
- Filter press / drying beds
- Safe disposal as per norms
Types of STP Solutions We Offer
- Compact STP Systems
- MBBR-based STP
- FAB-based STP
- Underground & Modular STP
- Package STP for Space-Constrained Sites
- Advanced STP with Water Reuse Systems
Applications & Sectors Served
Our STP solutions are ideal for:
- Residential Societies & Apartments
- Commercial Complexes & IT Parks
- Hotels & Resorts
- Hospitals & Healthcare Facilities
- Educational Institutions
- Industrial Campuses & SEZs

Key Features of Our STP Systems
✔ High BOD & COD removal efficiency
✔ Compact footprint and modular design
✔ Odor-free and noise-controlled operation
✔ Low power and chemical consumption
✔ Easy operation & maintenance
✔ Long equipment life
✔ Designed for Indian climatic conditions
Engineering, Installation & Commissioning
We provide complete STP project execution:
- Sewage analysis & design basis preparation
- Process & detailed engineering
- Civil, mechanical & electrical execution
- Installation & commissioning
- Performance testing and handover
Operation, Maintenance & AMC Services
Our support continues beyond commissioning:
- Daily operation & monitoring
- Preventive and breakdown maintenance
- Performance optimization
- Sludge management
- Annual Maintenance Contracts (AMC)
Why Choose Aadhiraj Water Solutions for STP?
✔ Proven wastewater treatment expertise
✔ Customized STP design for every site
✔ Compliance-focused engineering
✔ Reliable after-sales & O&M support
✔ Cost-effective and sustainable solutions
✔ Single-point responsibility from design to O&M
Sustainable Sewage Treatment for a Cleaner Tomorrow
With Aadhiraj Water Solutions Pvt. Ltd., our Sewage Treatment Plant (STP) solutions help communities and businesses manage wastewater responsibly while conserving precious freshwater resources.
Treat sewage. Reuse water. Protect the environment.
