Electricity-Free Water Treatment Plant


Sustainability issue

Category: Water

According to the report from World Health Organization in 2017, 844 million people lack even a basic drinking-water service, including 159 million people who are dependent on surface water. Globally, at least 2 billion people use a drinking water source contaminated with faeces. By 2025, half of the world’s population will be living in water-stressed areas. AguaClara is in the process of solving this challenge. It is a multi-disciplinary program at Cornell University that has designed sustainable water treatment systems committed to long-term environmental, social, and economic sustainability.

Technology solution

  • Their plants are cheaper and more reliable for communities by using gravity and mechanical device to operate since it is electricity-free.
  • Communities avoid risks of failure or shut-down that plague projects dependent upon the proprietary expertise and applies.
  • Their plants are specifically designed to be constructed using materials and labor that are able to be locally-sourced.
  • To date, AguaClara has assisted in the design of 13 plants in Honduras and 4 village water treatment facilities in India.
  • So far, water treatment plants built using AguaClara technologies provide clean water to more than 50,000 people.


  • Residences who live in clean water shortage area
  • City planners and urban designer
  • Companies in renewable and sustainable water treatment field
  • Governmental department relate to environment

Implementation steps

Step 1: Build cooperation relationship with government and water management companies

Step 2: Set up pilot study at local communities to show the effectiveness of the technology

Step 3: Monitor the plant together with the locals and adjust the working parameters



Comment on Another Blog Post

Post: Can air pollution be controlled by drones?

Comment: When I check the source of the article, I find out that it is from 2014. And I think there are better ways to solve the air pollution issue in China now. At the presents, they are reducing the use of coal and trying to replace it with clean energy. And they are restricting the number of vehicles on the road each day.


UNI – wy2283






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