Wastewater

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Featured Articles
May 23, 2024
Water reuse: Panacea for parching cities
Boson White Water sets an example for water starved cities such as Bangalore by following a sustainable decentralised approach to manage wastewater and treat it for reuse.
Wastewater reuse plant at Boson White Water (Image Source: Manisha Shah)
March 15, 2024
Surat and Bengaluru lead in used water management
A study by CEEW study indexes 503 urban local bodies from 10 states with a treated used water reuse policy. Haryana, Karnataka, Punjab are ahead in used water management in India.
Yelahanka water treatment plant (Image: India Water Portal Flickr)
August 10, 2023
Urban wastewater scenario in India
This white paper reviews the current scenario of urban wastewater management in India, treatment and reuse solutions.
This is how wastewater is disposed in India (Image Source: Sangram Jadhav via Wikimedia Commons)
April 25, 2023
Study suggests continuous monitoring of the water and soil quality in wastewater irrigated areas in Musi basin
Heavy metals, physical and biological parameters were analysed in water, soil, and crops in Musi River basin
Musi is polluted due to municipal sewage and industrial wastewater (Image: Muhammed Mubashir, Wikimedia Commons)
March 29, 2023
Market value of treated wastewater will rise to rupees 1.9 billion in 2050
Only 10 states in India have treated wastewater reuse policies so far
Sewage treatment plant in Kavoor, Mangalore (Image: Asian Development Bank; CC BY-NC-ND 2.0)
October 6, 2022
Visualizing the Vrishabhavathi river to keep it alive
In an effort to inform the general public, especially citizen activists, policymakers, researchers, and students, about the current status of the Vrishabhavathi river, Paani.Earth has created the necessary maps, data, analysis, and information to drive conservation awareness and action around the river.
Vrishabhavathi river (Image Source: Paani.Earth)
Conserving Palk Bay
In the first of a two-part series on the ecological degradation of the Palk Bay, a video explains the importance of conserving this biodiversity hotspot.
Makarand Purohit
Posted on 28 Nov, 2017 04:04 PM

The Palk Bay is a 15,000 sq km biodiversity conglomeration nestled between the island nation of Sri Lanka and South East Peninsula India with a coastal length of 250 km on the Indian side. 
The Palk Bay (Source: GIZ)
Maharashtra mandates reuse of wastewater
Policy matters this week
Swati Bansal
Posted on 07 Nov, 2017 07:15 PM

Reuse of wastewater becomes mandatory in Maharashtra
Wastewater gets discharged into a drain. (Source: IWP Flickr photos)
India Industry Water Conclave on Nov 28, 2017 at FICCI, New Delhi
The third edition of India Industry Water Conclave and fifth edition of FICCI Water Awards on Theme : ‘Water Use Efficiency- An Imperative for India’
Posted on 07 Nov, 2017 10:12 AM

The theme for the Conclave this year is “Water Use Efficiency: An Imperative for India” to highlight the imperative of water use efficiency in the industry, agriculture and urban contexts. 
15th Everything About Water EXPO 2018
Where the water community comes together
Posted on 30 Oct, 2017 01:51 PM

The 15th EverythingAboutWater Expo 2018 will be held on August 23-25, 2018 | Hall No. 12A, Pragati Maidan, Delhi, India
New biological tool to treat azo dyes
Highly toxic azo dyes in wastewater from textile industry can now be removed through an eco-friendly method.
Sunderarajan Padmanabhan
Posted on 03 Oct, 2017 08:23 AM

A new eco-friendly method could soon be available to address pollution due to azo dyes in wastewater from textile units. 
Wastewater from textile industries are highly toxic due to azo dyes. (Source: IWP Flickr photos)
Gold nanoparticles to remove lead from wastewater
A new technique makes use of minuscule particles of the yellow metal and their property to change colour in the presence of metal particles such as lead.
Monika Kundu Srivastava
Posted on 14 Sep, 2017 08:03 PM

Gold, the favourite metal of Indian women, is increasingly becoming popular among scientists as well, though for a different reason. A group of Indian researchers has used gold nanoparticles to develop a simple method to detect lead in wastewater.
IMMT researchers who conducted the study.
Citizens participate in mapping Bengaluru’s groundwater
A partnership between Biome, ACWADAM and WIPRO brought stakeholders together to map Sarjapur's aquifer.
Priya Desai
Posted on 14 Sep, 2017 11:34 AM

The problem of Bengaluru’s water is well known.
Talapariges, the small traditional water bodies of Karnataka. (Source: IWP Flickr photo by Mallikarjuna Hosapalya)
Removing chromium from polluted water using hyacinth
A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia.
Monika Kundu Srivastava
Posted on 07 Sep, 2017 04:59 PM

Heavy metal poisoning is a growing concern in many parts of the country. A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia. They claim it to be low-cost and safe.
Water hyacinth. Image courtesy India Water Portal.
New way to remove harmful drugs from wastewater
Researchers have developed a slurry photocatalytic membrane reactor to remove harmful drugs from hospital wastewater to make it safer for the environment.
Monika Kundu Srivastava
Posted on 05 Sep, 2017 12:13 PM

Hospital wastewater, which includes drugs, is a major environmental problem. A group of researchers from Belgium and India has developed a novel method of treating wastewater to get rid of such harmful substances from hospital waste.
Hospital wastewater can be dangerous to the environment. (Source: IWP Flickr photos--photo used for representation only)
Can grey and green coexist on urban landscape?
As cities spread wide, grey infrastructure projects flout green norms to provide affordable housing for all.
Amita Bhaduri
Posted on 31 Aug, 2017 03:03 PM

Far in the distance, towards the edge of Noida and Greater Noida flows the Hindon river amidst clusters of modern highrise buildings. A few years ago, the landscape here was more countrified and quite distinct from the low rise neghbourhoods of Delhi dotted with its numerous parks and abundant institutional spaces. 
Building bye-laws mandate that builders adhere to environmental norms and install energy-saving mechanisms like solar installations, water harvesting and waste recycling methods.
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