Challenge:

Rapid urbanization in water-stressed regions has led to an over-reliance on centralized supply systems that are prone to frequent shortages and high operational costs. Most residential buildings currently discharge over 60% of their water as greywater directly into sewage lines, wasting a massive resource that could be repurposed for non-potable needs. This linear consumption model creates a significant environmental burden and leaves urban communities vulnerable to rising water utility prices and drought-induced scarcity.

Objective:

To develop a modular, low-maintenance filtration system that allows apartment complexes to capture, treat, and reuse laundry and shower water for landscaping and cooling. The goal is to create a "closed-loop" household ecosystem that reduces total freshwater demand by at least 40% while remaining affordable for middle-income housing societies. By shifting the focus from centralized supply to decentralized recovery, this project aims to provide local water security and significantly decrease the energy used in city-wide water distribution.

Project Status

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