Sintex’s advanced wastewater treatment system offers efficient waste management, reducing BOD by 70% compared to traditional septic tanks, which only reduce it by 40%. These leak-proof, rust-proof, and non-corrosive tanks require no electricity and are easy to transport and install. Available in capacities ranging from 800 to 6000 liters, they provide an effective solution for domestic wastewater treatment. The system is also available in PWTS and AST series, ensuring a versatile and reliable option for waste management.

Sintex Septic Tanks – Smarter Wastewater Treatment for Modern Living

Wastewater management is one of those things you only notice when it stops working. That is why choosing the right septic system matters from day one. With septic tanks designed for efficiency, durability, and long-term performance, we make domestic wastewater treatment simpler and more reliable. Our systems are built to handle everyday household waste while reducing environmental impact and maintenance effort.

At​‍​‌‍​‍‌ Sintex, we are committed to offering solutions that work quietly and efficiently in the background. Our Sintex septic tank series is especially made for homes, apartment buildings, and institutions that need a reliable wastewater treatment system that doesn't require electricity or complicated maintenance.

Built for Better Wastewater Treatment

Traditional systems often struggle to treat waste effectively. Most normal tanks reduce only a limited amount of organic load, which can affect soil and groundwater over time. Our septic tanks are engineered using advanced technology that improves treatment efficiency and delivers better results.

By reducing Biological Oxygen Demand at a much higher level, the Sintex septic tank supports cleaner discharge and safer surroundings. This makes it a more responsible choice for modern wastewater management.

Clear Performance Difference You Can Trust

Not all septic systems perform the same. The difference lies in treatment efficiency and long-term reliability. Here is how our system compares with conventional options:

This comparison shows why septic tanks built with advanced design offer better long-term value.

Designed for Indian Conditions

Wastewater treatment plants in India have to deal with very different problems compared to those in most other regions of the world. Soil quality can vary dramatically over even a very short distance, the climate can range from scorching heat to heavy monsoons, and the way people use water can be completely different from one household to another. 

Our Sintex septic tank line is crafted taking all these factors into consideration so that you get a product that works consistently even in tough field conditions.

1) Leak-proof construction that prevents seepage

The tank body is meticulously crafted to prevent leaks at every stage of its use. This feature assists in preventing the infiltration of untreated wastewater into the surrounding soil and ​‍​‌‍​‍‌groundwater. A leakproof design also protects nearby structures and keeps the installation area clean and hygienic over time.

2) Rust-proof and non-corrosive material

Wastewater contains chemicals and gases that can damage ordinary materials. Our tanks use non-corrosive construction that does not rust or degrade when exposed to sewage. This helps maintain structural strength and reduces the risk of failure during long-term underground use.

3) Strong structure for underground installation

Underground placement requires a tank that can withstand soil pressure from all sides. The Sintex septic tank is built with a strong structure that supports underground installation without cracking or deforming. This ensures stability even under changing soil conditions.

4) Reliable performance without electricity

Power availability is not always consistent. Our septic tanks operate without electricity, relying on natural treatment processes to function effectively. This ensures uninterrupted wastewater treatment, lower operating costs and dependable performance regardless of power supply conditions.

These features help septic tanks remain functional and hygienic over long periods.

Wide Capacity Range for Different Needs

Every household and building has different wastewater requirements. That is why we offer septic tanks in multiple sizes. Available capacity options range from:

• 800 litres for small households
• Medium sizes for independent homes
• Up to 6000 litres for larger buildings and institutions

This flexibility allows you to choose the right Sintex septic tank based on occupancy, water usage and site conditions.

Easy Installation and Transportation

Installing a septic system should not delay construction. Our septic tanks are designed for easy handling and quicker installation. Benefits include:

• Lightweight compared to traditional concrete tanks
• Simple placement with minimal civil work
• Reduced installation time

This makes the Sintex septic tank suitable for both new projects and system upgrades.

No Electricity and Low Operating Cost

One of the biggest advantages of our septic tanks is that they work without electricity. This reduces operating costs and ensures uninterrupted performance even in areas with power issues.

With no moving parts and no power dependency, the Sintex septic tank remains economical over its life cycle.

Available in Advanced Variants

For users with higher treatment needs, our range also includes advanced options.

• PWTS series for enhanced wastewater treatment
• AST series for specific site requirements

These variants extend the application of septic tanks beyond basic domestic use while maintaining ease of operation.

Suitable for Multiple Applications

Our septic tanks are used across a wide range of settings:

• Independent homes and villas
• Apartment complexes
• Schools and hostels
• Hospitals and institutions

The Sintex water tanks adapts well to different usage loads while maintaining consistent treatment quality.

Built on Experience and Responsibility

For over fifty years, we have supported Indian homes with water and waste solutions that last. This experience is reflected in the design and performance of our septic tanks.

We focus on:

• Long-term durability
• Responsible wastewater treatment
• Simple operation for everyday users

Choosing a Sintex septic tank means choosing a solution shaped by real-world needs.

Why Choose Sintex Septic Tanks

When wastewater management is done right, it stays out of sight and out of mind. Our septic tanks are designed to do exactly that.

• Higher BOD reduction for cleaner discharge
• Strong and leak-proof structure
• No electricity required
• Easy installation and low maintenance
• Wide capacity options

The Sintex septic tank is a practical choice for dependable wastewater treatment.

Explore the Sintex Septic Tanks range and choose a wastewater treatment solution that is efficient, durable, and designed to perform quietly for years to come.

Ranges from 800 Litre – 6000 Litre capacity