Lotus Water

Stanford University

Lotus Water Contact Solution Provider

Solution Overview & Benefits

In many low-income urban areas across the developing world, clean, purified water is an urgent need. Low-income urban populations have increased by more than 100 million people worldwide, and these populations continue to grow.

The Lotus Water system is a method of addressing problems of water purification on a community-scale. The Lotus is a self-automated device that doses chlorine at an accurate proportion to the flow rate. While many purifying solutions involve chlorine products and filters to treat water at point-of-use, the main conflict lies at the uptake rate and consistency. Lotus Water focuses on providing an inexpensive treatment system for the entire community that will eliminate these issues.

The product aims to be a practical and affordable option for higher quality water across low-income urban settings. The current Lotus Water System is composed of durable plastics and has no moving parts, so the expense of the product is below $20 USD. The lifespan of the product averages around 5+ years.

History & Development

Prototypes were initially launched in Dhaka, Bangladesh where eight devices were installed over a period of four months. The current team is still heavily involved in Dhaka where more devices will be installed throughout urban centers.


Publicly available: no
Countries where available: Bangladesh
Price range (USD): 1 to 20 USD

Additional Information

Solution Providers Website (external link) Product Webpage (external link)


If you are aware of any updates to the Lotus Water project please complete the form or send an email to [email protected]

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