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Modular Rainwater Harvesting System

Infusing Modular Rainwater Harvesting Technology to store and reuse rainwater is key to securing a future with abundant water resources.

  • Polymers as strong as metal
  • Load-bearing capacity and top surface utilization
  • Time-efficient installation
  • Accident-free design
  • Lower maintenance costs than traditional civil pits
  • Reduced maintenance time and resource consumption
  • Adaptability and reusability
  • Cost-effective solution

Urbanization has significantly increased water consumption, placing immense pressure on our limited natural resources. Reports of declining water levels are common worldwide. Rainwater harvesting is a crucial solution for sustainable development, and at InRain, we offer advanced rainwater harvesting methods using cutting-edge technology.

In recent years, modular rainwater harvesting has gained popularity due to its numerous advantages over traditional systems. This approach effectively addresses two key concerns: budget and space. It is not only cost-effective but also allows for the versatile use of space.

This technique utilizes polymer-based modular structures, known for their strength and load-bearing capacity. Areas designated for rainwater harvesting with modular systems can even be used for vehicle parking. Installation is also quicker compared to traditional rainwater harvesting systems. Here are some of the key benefits:

  • Eco-friendly and economical : Polymers can be recycled and reused.
  • Excellent filtration : The percolation tank is covered with a geotextile sheet for superior filtration.
  • Safety : The percolation tank is placed underground, preventing unauthorized access.
  • Cost-saving maintenance : Minimal to no maintenance is required compared to conventional systems.
  • Higher recharge capacity : Water enters from five sides, increasing efficiency.
  • Durability : Co-polymer modules have a long lifespan.
  • Portability : These stackable co-polymer modules can be easily relocated and reinstalled at different sites.


The modular rainwater harvesting system offers an affordable and space-efficient way to collect and reuse rainwater. It allows you to contribute to environmental sustainability without exceeding your budget or compromising valuable space.

modular rainwater harvesting system

The land above a modular tank is not wasted, as the structure is load-bearing and capable of supporting tons of weight, making it a far more economical option compared to traditional civil pits. Additionally, 95% of the tank's capacity is usable, compared to only 50-55% in a civil pit. The modular tank also eliminates the risk of accidents, as it is fully enclosed, unlike RCC civil tanks, which pose a higher risk of falls. The system is easy to remove and transport to different locations, a flexibility that is impossible with civil pits. Holding and recharge capacity can start from 1 cubic meter and extend to virtually any size, all within a much shorter installation time.

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