Rainwater Harvesting
Rainwater harvesting (RWH) is one of the most effective and economical methods of augmenting freshwater supply. NK Engineering has been designing and implementing Rainfilter Rainwater Harvesting systems since 2005, helping hundreds of clients across India reduce their dependence on municipal water supply and groundwater while contributing to environmental sustainability.
Our systems are engineered for maximum efficiency — capturing every litre of rainfall that falls on your roof or surface area, passing it through a multi-stage filtration process, and storing it safely for future use. The harvested water can be used for irrigation, toilet flushing, car washing, cooling towers, and even as drinking water after appropriate treatment.
We offer a complete turnkey service: from initial site visit and feasibility study, through system design and BIS-compliant installation, to training your staff and providing annual maintenance contracts. Every system we install is designed with expandability in mind, so as your needs grow, your system can grow with you.
Rooftop Collection
High-efficiency gutters and first-flush diverters capture rain from all roof types — RCC, metal, asbestos, or tiled.
Multi-Stage Filtration
Sediment filters, sand filters, activated carbon, and optional UV/RO treatment for potable-quality water.
Storage Solutions
Underground cisterns, overhead tanks, and modular storage units designed for your space and capacity needs.
Groundwater Recharge
Recharge pits, shafts, and trenches that replenish depleted aquifers and restore the hydrological balance.
BIS Compliant
All systems are designed and installed in compliance with BIS 15797:2008 and state government bylaws.
Maintenance Support
Annual maintenance contracts with quarterly site visits, filter replacement, and performance reporting.
Ready to Get Started?
Contact our team for a free site assessment and customised proposal for your Rainwater Harvesting project.