NED students find a way to turn Lyari River’s sewerage water into freshwater. Here’s how

The intelligent students have found a clever way to do so my dividing the river in 13 sections.


  • NED students have come up with an innovative way to turn Lyari River’s sewerage system to freshwater.

  • The three students plan to divide the river into 13 sections.

  • Their solution includes cleaning Lyari’s contaminated water using plants.

Source: SAMAA Digital

Water gives a calming effect to the mind of the person laying eyes in the coherently flowing waves. However, the same water can become a stream of injecting diseases and giving birth to countless health implications when turned into a garbage dump.

Lyari’s river met the same unfortunate fate. Polluted with plastic and toxic chemicals, it not only needs to be urgently addressed but also a solution is needed as the health threats being posed by it. According to a recent study, the destroying marine life, poisoning the food chain and negatively impacting the lives of hundreds of thousands of people residing along the channel,

However, students of NED University’s architecture and planning department have proposed a simple, implementable and practical solution to turn Lyari river’s sewerage water into freshwater.

We have discovered a solution to treat Lyari River’s contaminated water by using plants,” said one of the students, Mashood, while speaking to a local news source.

Dividing the river into 13 sections is a solution to the problem:

He explained that along with his friends Fatima and Maheen, their solution includes dividing the river into 13 sections.

“We have calculated the area by the help of remote sensors and have marked the open area available around Lyari River,” he said while speaking to the said source.

“According to our calculation, there are 650 acres of open area land along the river. To plant trees, we further divided this area into 13 acres of small areas to work on.”

He added that for 13 acres of small spaces, they will be required to place 10 acres of wetland systems.

“One wetland system will have 2,000 to 6,000 plants which will treat three miles per gallon of water in a day,” Mashood said.

“The plants have the potential to treat sewerage water and turn it into fresh water,” said Fatima, Mashood’s companion on the project.

“We will be planting some indigenous species of plants, such as cattails and duckweeds all across the Lyari River to get it cleaned.”

She added that all the plants are locally available in Pakistan as well. The further said that if Pakistan starts selling this treated water to industries, it can generate a profit of Rs. 18 million per year.

This wetland project is also being implemented in Karachi’s Aziz Bhatti Park. The students have appealed the government of Sindh to fund their plan. The estimated cost is around Rs 9.5 million.

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