Wastewater

Featured Articles
October 11, 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)
November 21, 2019
Jaipur’s wastewater conundrum
A report by NIUA brings to light the chinks in Jaipur's sewage system and suggests some solutions.
Routine check done by the sewage treatment plant staff in Delawas, Jaipur. The plant is part of the ADB best practices projects list. (Image: Asian Development Bank, Flickr Commons)
November 15, 2019
When the sewers get blocked: sanitation labour in urban India
On World Toilet Day, we bring to light the labour of India’s sewer workers - those who do the unclean work that a Clean India relies on.
Photo credit: Sharada Prasad
October 28, 2019
Unregulated e-waste hotspots operating in Delhi with no safeguards
Study identifies 5,000 illegal e-waste units in Delhi operating without health and environmental safeguards.
Most of the operations in these units were found to be manual and rudimentary (Image: Toxics Link)
October 25, 2019
Mapping Pune’s aquifers
Groundwater use has doubled in Pune. Comprehensive mapping of groundwater resources and better management and governance is the need of the hour.
Groundwater, an exploited resource (Image Source: India Water Portal)
October 6, 2019
Deadly chemicals from detergents end up in rivers
India needs to come up with a regulation on use of toxic chemicals in detergents.
Nonylphenol, a toxic chemical found in detergents is known to enter the water bodies and even the food chain, where it bio-accumulates and can pose serious environmental and health risks (Image: Toxics Link)
Palk Bay: Trawled and damaged
In the last of a two-part series on the importance of conserving the Palk Bay, a video shows how trawling is spelling doom to the ecology of the bay.
Makarand Purohit
Posted on 28 Nov, 2017 04:05 PM

The Palk Bay is an ecological paradise located between the island nation of Sri Lanka and the South East Peninsula India. The region separates the coastal areas of Tamil Nadu from the northern parts of Sri Lanka.
The Palk Bay (Source: GIZ)
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)
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