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WOTA BOX

Clean drinking water supply

Addressing water scarcity and promoting water reuse in off-grid and emergency situations.

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WOTA Corp.

Company Established Year

Since 2014

Who is this solution for

Govt, Business, Individual, NGO

Info

Available

To sell

Project Status

In commerce

Looking to expand internationally

Yes

Doing business in

worldwide

Awards and certifications

GOOD DESIGN Grand Award

2020

Japan’s top design award for the WOTA BOX – recognized for innovation and sustainability in off-grid water reuse.

Earthshot Prize Finalist

2021

Global recognition for WOTA’s decentralized water recycling as a solution for a waste-free world.

JapanGov Innovation Highlight

2024

Acknowledged for enabling >98% wastewater recovery in disaster response scenarios across Japan.

Product description

WOTA BOX is a revolutionary water reuse system that leverages AI technology to recycle over 98% of wastewater on-site, eliminating the need for external water supply or sewerage connections. This portable unit is specifically designed for off-grid conditions and emergency response scenarios, offering a sustainable solution to water scarcity challenges.

Equipped with multiple purification stages, including advanced filters, reverse osmosis, and sterilization processes, WOTA BOX ensures that the recycled water meets safety standards for various uses. The integration of AI monitoring capabilities enables real-time assessment of water quality, guaranteeing efficiency and reliability in water treatment.

One of the key features of WOTA BOX is its compact and mobile design, allowing for easy deployment in disaster zones, outdoor field sites, rural areas, and remote healthcare or sanitation facilities. The system can be set up quickly by non-experts, making it ideal for rapid response efforts during emergencies.

In Japan, WOTA BOX has been successfully utilized during earthquakes, floods, and evacuation center operations, showcasing its effectiveness in crisis situations. By promoting decentralized and circular water use, this innovative solution significantly reduces the reliance on plastic water bottles and traditional water tankers, contributing to environmental sustainability.

Beyond immediate disaster relief, WOTA BOX holds potential for long-term applications in sustainable architecture, off-grid housing, and underdeveloped regions with limited water infrastructure. By enabling localized and autonomous water recycling, this system offers a scalable and eco-friendly approach to addressing the global water crisis.

Key characteristics and environmental benefits

  • AI-powered water reuse system for off-grid and emergency settings
  • Recycles over 98% of wastewater on-site without external water supply
  • Compact, portable design with multiple purification stages and AI monitoring
  • Supports up to 100 hand washes or 12 full showers using minimal water
  • Easy setup by non-experts, ideal for disaster zones and remote locations
  • Promotes decentralized, circular water use and reduces reliance on plastic bottles
  • Scalable solution for sustainable architecture, off-grid housing, and developing regions
  • Contributes to environmental sustainability by conserving water resources
  • Enhances water safety and efficiency through real-time water quality monitoring
  • Addresses water scarcity challenges with innovative technology and eco-friendly practices

About the Company

WOTA is a Tokyo-based water technology company developing compact, decentralized water reuse systems to ensure water access in areas lacking infrastructure. Founded in 2014, the company is driven by the vision of creating a society where everyone can live freely and safely, regardless of water infrastructure limitations. WOTA’s flagship technologies include WOTA BOX, a portable water recycling unit that can purify and reuse over 98% of wastewater without needing connection to water or sewage lines. These systems are designed for disaster relief, off-grid living, and climate resilience—responding to the growing need for adaptable water solutions amid extreme weather and humanitarian crises. With a commitment to sustainability and resource efficiency, WOTA is transforming the traditional water supply model by enabling localized, circular water use. Through partnerships with governments, humanitarian organizations, and city networks, WOTA supports sustainable living, disaster response, and future-ready urban planning.

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