Updated on January 26, 2024


Created on August 30, 2020

Warka Water Tower

The Warka Water Tower is a vertical system designed to collect and harvest potable water from the air.

Developed By
  1. Warka Water
Tested By
  • University of Mumbai
  • University of Rijeka
Content Partners


Product Description

The Warka Water Tower is a water harvesting system designed by Atruio Vittori & Andreas Vogler. The system’s design allows for fog, humidity, and precipitation to collect on surfaces, supplying up to 100L/day. The product is built at the site of implementation.

Target SDGs

SDG 6: Clean Water and Sanitation

SDG 3: Good Health and Well-Being

Market Suggested Retail Price


Target Users (Target Impact Group)


Distributors / Implementing Organizations

The product is distributed by Warka Water and it is still in the testing phase. It will be available for purchase and distribution by humanitarian organizations.

Competitive Landscape

Direct competitors include Aqualonis CloudFisher.

Manufacturing/Building Method

Warka Water Towers are assembled in-country from local and imported materials. Warka Water does not mass produce products and products are produced on a case-by-case basis, generally with communities.

Intellectural Property Type


User Provision Model

The product is distributed by Warka Water and it is still in the testing phase. It will be available for purchase and distribution by humanitarian organizations.

Distributions to Date Status

Since 2015, 9 Warka towers have been built and implemented in Togo, Cameroon, Haiti, and Ethiopia.

Design Specifications

Designs for this product are tailored to community needs. The typical model of the Warka Water Tower has the following dimensions: Height 10 m – Footprint 4.2 m Surface Area: Mesh 80m2, Collector 43m2, Canopy 87 m2 Materials for construction include bamboo, polyester mesh, polyester cable, hemp rope. Design specifications vary dependent on the needs of the community.

Product Schematics

Technical Support

Provided by manufacturer.

Replacement Components

Products used in construction include bamboo, polyester mesh, polyester cable, and hemp rope. These materials will need to be replaced with weathering.


6-10 years

Manufacturer Specified Performance Parameters

The Warka Water Tower was designed to be able to harvest 100 L/day. The designer specifies this solution should be community-run and owned, and easily integrated into the community.

Vetted Performance Status

Testing performed by University of Rijeka, determined that the Warka Water Tower was able to collect every type of usable precipitation to maximize water collected.


No known safety hazards are related to this product.

Complementary Technical Systems

The Warka Tower can have a number of add-ons such as WSolar, Warka Garden, and Warka Sanitation.

Academic Research and References

Salehi, A., et al., 2015, A review on the water-energy nexus for drinking water production from humid air Renewable and Sustainable Energy Reviews 120, pp 109-127

Fenyvesi, K., et al., 2016. Modelling Environmental Problem-Solving Through STEAM Activities : 4Dframe’s Warka Water Workshop. Proceedings of Bridges 2016 : Mathematics, Music, Art, Architecture, Education, Culture. Bridges Finland, pp. 601-608.

Lee, S.M., et. al., 2018, The Future of Innovation: Living Innovation. Emerald Publishing Limited, pp. 113-132.

Goal 6. (n.d.). Sdgs.un.org. Available: https://sdgs.un.org/goals/goal6

“FAQ – Warka Water,” Warkawater.org. Available: https://warkawater.org/faq/

“TOGO,” Warkawater.org. Available: https://warkawater.org/togo/ 

“CAMEROON,” Warkawater.org. Available: https://warkawater.org/cameroon/ 

“HAITI,” Warkawater.org. Available: https://warkawater.org/haiti/ 

“ETHIOPIA,” Warkawater.org. Available: https://warkawater.org/ethiopia/

K. M. I. Designboom, “warka water towers collect clean drinking water from the ‘lakes in the air,’” designboom | architecture & design magazine, 17-Feb-2019. Available: https://www.designboom.com/architecture/warka-water-tower-bamboo-sustainable-clean-drinking-water-air-02-15-2019/

“Warka Water – Every Drop Counts,” Warkawater.org. Available: https://warkawater.org/ 

M. Jardas, D. Gluji?, G. Vukeli?, M. ?ana?ija, and V. Travaš, Irb.hr. Available: https://bib.irb.hr/datoteka/958546.MFC_2018_book_of_abstracts.pdf

A. Chavan, M. Dodiya, and S. Davate, “Sustainable water harvesting technique by condensation of water through atmosphere in an optimized approach for future cities in India,”. Available: https://www.engineeringforchange.org/wp-content/uploads/2020/06/UMumbai_WWT.pdf 

“WARKA SOLAR,” Warkawater.org. Available: https://warkawater.org/warkasolar/ 

“WARKA GARDEN,” Warkawater.org. Available: https://warkawater.org/warkagarden/ 

“WARKA SANITATION,” Warkawater.org. Available: https://warkawater.org/warkasanitation/

Compliance with regulations


Evaluation methods

The product has been evaluated for harvesting capacity of 5 L/hr in ideal conditions.

Other Information

The design for the Warka Tower comes from inspiration of the "Warka" tree. This is a tree native to Ethiopia and is an important community meeting point.

Comments from the Community

1 Comment

  1. krzaidi says:

    Hello, Will this be suitable in Pakistan? Once the flooding recedes we have to rebuild many villages

Leave a Reply

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