Final Results of Previous World Water Challenge

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World Water Challenge 2019 Final Result

Selected Water Challenges and Solutions

WWCH 2019 attracted 67 solutions from 37 countries. Ten prioritized challenges were carefully selected by the international steering committee of the WWCH 2019 before ‘call for solutions process’. In total 67 solutions were submitted from all over the world and only nine solutions were selected for the final round, and those solution providers were invited to the final round of the WWCH during KIWW2019.

  The selected nine solutions were evaluated by their oral presentations and the interviews during the final round at the KIWW 2019 and the three winners of WWCH2019 were decided according to the criteria: comprehension, contribution, feasibility, challenge and impact. “The BEST” prize winner was granted 10,000,000 KRW (Approx. 9400 USD) for the solution titled ‘A water kiosk at school’, and other two winners were awarded “OUTSTANDING” prizes for the solutions titled ‘Novel Fertilizer Production from Human Urine in Membrane Distillation Process’, and ‘Sponge-An Innovation in irrigation for sustainable farming’. Two outstanding awardees also received 3,000,000 KRW (Approx. 2,600 USD) cash prize with trophies.

Challenges
(Topics)		 Solutions Award
Efficient Water
Management		 A water kiosk at school The Best
Sponge – An innovation in irrigation for
sustainable farming		 Outstanding
Smart Technology for Integrated Management of
Diversified Water Resources
Resource Recovery
from Water and
Wastewater System		 Novel Fertilizer Production from Human Urine in
Membrane Distillation Process		 Outstanding
Improving Water Security through Water-Energy
Nexus Approach in Danang city of Vietnam
Solar Dew – Solar Water purification and
desalination for households and communities
Rejuvenation of Lake Mahadevapura using Nature
Based Systems
Water and Natural
Disasters		 Exploiting the synergies between sustainable urban
drainage systems(SUDS) and urban farming
Smart Water
Technologies		 AgriHydro A Smart Technology to Better
Irrigation Management in IWRM platform

World Water Challenge 2018 Final Result

Selected Water Challenges and Solutions

[Topic 1] Efficient Water Management

Problem 1 Low Agricultural Water Productivity in Urmia Lake Basin

Solution 1 The Buried Diffuser : an effective underground irrigation system for optimal water management

[Topic 2] Resource Recovery from Water and Wastewater System

Problem 2 Septage management in the urban areas of Indonesia

Solution 2 Sustainable Rainbow

Solution 3 Septage Management through decentralization of septic tanks and Community Participatory Approach

[Topic 3] Water and Natural Disasters

Problem 3 Choluteca River "Mad Water“

Solution 4 Quesungual Belt for Flood Mitigation

[Topic 4] Smart Water Technologies

Problem 4 Problems Pertinent to Prevalence of Excessive Fluoride in Different Water Sources

Solution 5 Low-cost and low-tech defluoridator device based on calcium phosphate

[Topic 5] Ecosystem and Water

Problem 5 Water Insecurity in Manoka

Solution 6 Multiple Water Solutions for Water Insecurity in Manoka Islands

Solution 7 Water resource management for future water security

View Summaries of Selected Problems and Solutions

World Water Challenge 2017 Final Result

Selected Water Challenges and Solutions

[Topic 1] Efficient Water Management

Problem 1 Current Onsite Sanitation System in the Urban Areas of Bhutan is not Adequate

Solution 1 Sanitation Revolution: From Waste to Resource

Solution 2 Compact and improved onsite sanitation using renewable energy and plastic waste biofilter media

Problem 2 Drainage Water Reuse in Egypt

(Not placed int the list of 10 Selected Solutions)

Problem 3 How Can Rainwater Harvesting Be Implemented to Obtain an Alternative Resource in HCMC, Mekong Delta?

Solution 3 Groundwater Recharge Wells

Solution 4 VAC Initiative for rainwater self-collection system for public space in Ho Chi Minh City

[Topic 2] Resource Recovery from Water and Wastewater System

Problem 4 Water Scarcity and Saline Groundwater Affecting Local Community of Kojani,Zanzibar

Solution 5 A bucket brings fresh water, Sorain Bucket

[Topic 3] Water and Natural Disasters

Problem 5 RasGharib Floods

(Not placed int the list of 10 Selected Solutions)

Problem 6 Water Scarcity Issues in the Small Hilly Villages of Under Pemagatshel District in Bhutan

Solution 6 Self-Tank Roof Water Harvesting Soil Cement base Ferro Cement Tank

Problem 7 Villagers Suffering from Draught and Arsenic Water Simultaneously

(Not placed int the list of 10 Selected Solutions)

[Topic 4] Smart Water Technologies

Problem 8 Drinking Water and Sanitation Problem in Bamgha Village, Gulmi Nepal

Solution 7 Low cost Do it Yourself Rain water harvesting in cooperation with Local Government

Problem 9 Near the Water without Water

(Not placed int the list of 10 Selected Solutions)

Problem 10 Water Management Crisis in Cisangkuy River and Bandung Mega City in Indonesia

Solution 8 Integrated Urban Water Management: Tradition to Solution for Cities

Solution 9 Improving water management with a game-based approach

Solution 10 Smart water management to overcome water crisis in Cisangkuy river and Bandung mega city, Indonesia

View Summaries of Selected Problems and Solutions

World Water Challenge 2016 Final Result

Selected Water Challenges and Solutions

[Topic 1] Efficient Water Management

Problem 1 Current Onsite Sanitation System in the Urban Areas of Bhutan is not Adequate

(Not placed int the list of 10 Selected Solutions)

Problem 2 Water Scarcity isolated islands in Greece using fossil fueled electricity

Solution 1 Low electricity desalination based on smart water grid in islands

Problem 3 Effective Farm-level Water Management by the Water Users Association in the Central Asia

Solution 2 Effective Farm-Level Water Management by Water Users Association in Central Asia

Problem 4 Leakage Reduction Activities in Developing Countries

Solution 3 Akvo Caddisly: Water Quality testing on a mobile phone

[Topic 2] Resource Recovery from Water and Wastewater System

Problem 5 Wastewater Reuse in Agriculture in Mexico

Solution 4 Atotonilco Wastewater Treatment Plant

Problem 6 Low-cost DIY (Do-It-Yourself) Type Water Purifier

Solution 5 Aastha Bio Sand filter

Problem 7 Appropriate Technologies for Water Purification in Underdeveloped Countries

Solution 6 Development of water purifier with filter made by raw materials in Cambodia

Solution 7 Phytoremediation for clean drinking water systems

Solution 8 Off-grid Stand-alone Solar PV Generation & Water Purification Hybrid System

[Topic 3] Water and Natural Disasters

Problem 8 Difficulties in Access to a Limited Drinking Water Source

(Not placed int the list of 10 Selected Solutions)

Problem 9 Problems of Untreated Sewage Discharge during the Wet Season

Solution 9 "the gas tracer method"

Solution 10 Sustainability in the management of transboundary water resources

[Topic 4] Smart Water Technologies

Problem 10 Difficulties in Agriculture by Locally Shifting Season

(Not placed int the list of 10 Selected Solutions)

View Summaries of Selected Problems and Solutions

World Water Challenge 2015 Final Result

Selected Water Challenges and Solutions

Problem 1 Flooding in Citarum river

Solution 1 Flood Forecasting and Warning System for Citarum River Basin

Problem 2 Development and operation of an early flood warning system including capacity development

Solution 2 An open source, user friendly flood early warning and forecasting system

Problem 3 Safe Water Sources for Coastal Slums

Solution 3 Rainwater Harvesting (RWH) and Boat Delivery system for Drinking Water Supply at Coastal Slums of Makoko

Problem 4 Water Scarcity in the Desert Communities of Western Rajasthan

(Not placed int the list of 10 Selected Solutions)

Problem 5 Arid islands on South Aegean Sea facing water scarcity and overloaded energy systems

Solution 4 Dimensioning desalination units using Renewable Energy Sources on the arid islands of South Aegean Sea

Problem 6 No easy acces to water for many upland villages and farms

Solution 5 Green Revolution by implementing Low solar energy water pump

Problem 7 Securing Water for Food: A Grand Challenge to Meet Food Crisis

Solution 6 Promoting rain and wastewater harvesting techniques among rain-fed communities of Pakistan

Problem 8 Abakaliki, a pottential Eco-city in Nigeria

(Not placed int the list of 10 Selected Solutions)

Problem 9 Securing Water for Food: A Grand Challenge to Meet Food Crisis

(Not placed int the list of 10 Selected Solutions)

Problem 10 Rural water problem

Solution 7 EKOMURO H2O+ COLLECTING RAINWATER IN USED PET CONTAINERS IN SCHOOLS AND URBAN POVERTY REGIONS

Problem 11 Self sustained water desalinator for each family in remote area

Solution 8 Low Cost Multi Effect Solar Still

Problem 12 Wastewater crises in Izbet El Islah

Solution 9 Self sufficient triple-stage treatment process for Izbet El-Islah wastewater crisis

Problem 13 The Need For a Good Quality Water Source for Citizens of Gwangju Metropolitan City.

Solution 10 The suggestion for operating of public sewage treatment plants through the introduction of Basin Sewerage Integrated Management System

Problem 14 What are the positive and negative influence according to the construction of sewage (Interceptor, P/S, CSOs) in combined drainage system area?

(Not placed int the list of 10 Selected Solutions)

Problem 15 Managing complexity and dealing with distrust in transboundary basins: An example of the Aral Sea basin of Central Asia

(Not placed int the list of 10 Selected Solutions)