Skip to main content

Women innovators on simple, revolutionary alternate solutions for water problems

By Proshakha Maitra, Mansee Bal Bhargava*

The detrimental effects of uncontrolled population rise and accelerated change in the global climate have posed tremendous pressure on the water and sanitation. This calls all stakeholders, from both developed and developing nations, to improve their resilience and to instigate sustainability. It is more crucial than ever to optimise the use of the resources we have on hand since the world population is projected to reach 9.7 billion by 2050.
The water scarcity and safety issues which the various regions are facing and is predicted to face in the coming days cannot be tackled without innovative measures. In a world grappling with water scarcity and climate resilience, the need for innovative solutions have never been more critical than today. The quest for sustainability and efficiency in water management is now on the high.
Novel technology and innovations are put into practice for improvements in water sustainability, and efficiency. In the present times, novel technology and innovations are considered crucial tool for achieving better access to water and reliance on water resources which can eventually lead to better standards of living.

The session

The Wednesdays.for.Water session organized on ‘Incorporating Innovation to Everyday Water Issues’ invited three women innovators as speakers, they are, Garvita Gulhati, Preeti Chauhan and Mithan Subbiah. They are concerned about the everyday water issues and are convinced that small actions can bring large impacts and that individuals can revolutionize the society through small sustainable measures.
They shared their journey of concern which led them to innovate. Their power of conviction and passion to bring a change in the water sector through their innovative solutions on the ground are discussed in the session. The session was moderated by Radhica Kanniganti.

The ‘glass half-filled’

Garvita shared her concern and experience of working and developing the Ashoka project on the ‘Glass half-filled’. Considering the direct water, the estimated water consumption per individual is approximately 400-500 litres per day, comprising various activities. For instance, a single toilet flush consumes approximately 15 litres of water, while an ordinary shower accounts for more than 150 litres.
Considering the indirect water, there are several alarming facts that are unaccounted in everyday life. For example, the manufacturing process of a single pair of jeans necessitates over 4,000 litres of water, highlighting the substantial water footprint associated with clothing production. Then, the significant water usage of around 3,000 litres in washing cars is overlooked. There are numerous water-intensive product and processes exist, operating inconspicuously and collectively exerting a considerable demand on water resources on a daily basis.
Likewise, there are numerous possible solutions possible which indeed requires motivation, dedication and investigation by concerned individuals. For example, Garvita identified the significance of citizen involvement in mitigating water waste within the restaurant industry. Serious investigation revealed an estimated 14 million litres of water wasted annually just from the leftover glasses of water in restaurants. She took the initiative to engage with restaurant owners and managers with an aim to find practical solutions together by understanding the operational challenges and perspectives surrounding water management in the restaurant business.
The initiative reached out to the National Restaurant Association of India (NRAI) to collaborate on this mission. Through this partnership, the reach was extended approximately up to 500,000 restaurants across the country. Over the course of two to three years, the collective efforts resulted in the conservation of an impressive 10 million litres of water.
 Encouraging restaurants to fill glasses only halfway is a practice where individuals are encouraged to consume only the amount of water they actually need in order to reduce wastage alias, conserve water. This simple change can have a profound impact when multiplied across numerous restaurant visits and patrons.

Bio-sand filter

Preeti shared her concern and experience of working in Ladakh and developing the Bio-sand filter. The winter conditions in Ladakh provide compelling illustrations of the significance of water and the intrinsic value it holds. Situated amidst this region's harsh environment, individuals are faced with the reality of having to travel more than 200 meters to access water for basic necessities like washing and cooking.
Living through such circumstances naturally instils a deep appreciation for water, leading individuals to develop a sense of conservation. The absence of easy access to water accentuates its importance, thereby nurturing a deep-seated sense of its value.
Although, the mention of the Himalayas often evokes images of pristine and untainted water sources, settlements like Ladakh experience acute water scarcity being a mountain desert, where the availability of fresh water is limited. Rivers do flow through the region but the availability of water is alarmingly scarce.
Adding to it, the influx of domestic tourists surged after the release of the popular film ‘3 Idiots’ leading to a drastic surge in water consumption as well as pollution. Unlike the locals who are accustomed to utilizing dry compost toilets, which are eco-friendly, the tourists visiting Ladakh have different expectations and require flush toilets. However, the construction of flush toilets in this arid region poses a challenge, as the absence of proper septic tanks necessitates the use of soak pits—a makeshift solution comprising mud bricks placed on tank walls to receive flushed sewage water. Over time, this arrangement leads to the contamination of groundwater.
The perception of Leh's water as being heavy and unclean has driven an increased reliance on bottled water as an alternative. In response to the growing demands, people in Ladakh have expanded their reliance on water sources, moving beyond surface water to also include borewell water. However, this shift has raised concerns regarding the quality of groundwater. Instances have been reported where the extracted borewell water exhibited visible signs of contamination, with a noticeable yellowish hue, indicating potential groundwater pollution.
Despite the perception of mountain water being pure, the reality in Ladakh is gradually shifting towards water contamination and an increasing generation of waste due to plastic water bottles. Factors such as the improper disposal of waste, including plastic bottles, coupled with the contamination of water sources, pose significant challenges to maintaining the purity of water in the region.
Preeti found her concern in finding alternatives to plastic water bottles and established Little Green World to focus on waste reduction, prevention, and effective environmental management practices. The organization conducted surveys across various sectors, including hotels, restaurants, homestays, and guest houses to get comprehensive understanding of waste management mechanisms, including their approach to water and whether they served bottled water. The surveys also examined their energy consumption practices.
Additionally, tourists were surveyed to understand their preferences and readiness to accept alternative options. The survey sought to understand why tourists opted for bottled water, where most of them cited health concerns to be a major reason. It also investigated the practices of hotels, which typically refrained from serving regular water unless explicitly requested, driven by potential business benefits.
Through these surveys, the organization gathered valuable information to inform their initiatives and develop effective strategies that addressed the challenges of plastic bottle waste and promoted sustainable alternatives in the tourism industry. A bio-sand filter is designed specifically suiting for implementation in Ladakh. This water filter operates using a combination of sand, gravel, and a specially designed container. The primary purification process occurs as water passes through the sand and gravel, while an additional biological layer, consisting of microorganisms, accelerates the purification process at the top of the filter.
The bio-sand filter has a capacity of 80 litres, which proves to be sufficient for the water needs of hotels and restaurants. Compared to other filters that utilize modern technology, the maintenance costs are lower, and importantly, it is readily available in Ladakh where other filter options may be scarce. Considering the previous unsuccessful implementation of a government water ATM in Ladakh, the bio-sand filter offers a promising solution that can be managed and maintained locally. Its durability is noteworthy as it can operate effectively for up to 30 years, providing a reliable and sustainable water purification option for the region.

Customised bio-sand filter use in Ladakh
Ladakh, with its abundant availability of sand and gravel, provides a favorable environment for the functioning of the bio-sand filter. However, the implementation of a bio-sand filter in Ladakh faces several challenges due to the region's extreme temperatures and difficult terrain. The requirement of bio-sand filter is a temperature range of 15-20 degrees Celsius for the survival of the biological layer and in Ladakh the temperature falls as low as minus 20 degrees Celsius.
The availability of metals for the manufacturing process is restricted to the summer months, posing further limitations.
Despite the obstacles posed by Ladakh's unique environment, the implementation of the bio-sand filter holds great promise in addressing the issue of plastic bottle usage. It aligns with the larger goal of waste reduction and environmental conservation, contributing to a cleaner and more sustainable future for the region. For example, with 30 establishments having 3000 tourists, each person using an average of 14-15 plastic bottles, the filter has the potential to reduce the consumption of approximately 135,000 bottles annually. By filtering and making available local water sources, reliance on plastic bottles can be minimized.

Putting ‘dreaded’ Hyacinth to use

Mithan shares her concern of water hyacinth and the experience of working on the lakes of Bengaluru. Lakes play a crucial role in our ecosystems and have significant importance in various aspects. They function as crucial reservoirs for groundwater recharge, maintaining the supply of water for drinking and sustaining the entire water cycle. Unfortunately, most lakes are poorly maintained and thus confront multiple challenges.
In South Bangalore, a group of individuals and professionals came together in 2017 to work towards the restoration and conservation of Hulimavu Lake. The lake is located in the south of the city. It spanning around 107 acres and is surrounded by residential development. With the aid of volunteers and experts, the group planned restoration in and around the lake. They restored around 1.5 square kilometers of barren land surrounding the lake into a green space by planting 700+ trees.
Like most lakes/wetlands in India, being heavily polluted, have serious issues with growth of water hyacinth, Hulimavu Lake too was infected by it. Water hyacinth (Pontederia crassipes), an invasive weed species from South America, has naturalized its habitat in the polluted waterbodies. It grows rapidly covering the surface area of the waterbody and sucking up the oxygen in the water leading to loss of aquatic life and thus disrupting the ecosystem of the waterbody.
To combat this issue, the group involved in the lake's restoration undertook the task of removing the hyacinth. They successfully pulled out approximately 100 tons of hyacinth from the lake during the corona time. To ensure proper disposal and utilization of the hyacinth, it was sent it to a Biocentre to be converted into compost. Additionally, the group explored the possibility of using the hyacinth for biofuel production. However, transportation posed a challenge in this process, making it costly to transport the hyacinth to the biofuel production facility. Several other possibilities were also explored to put the hyacinth to use but all of them required processing the plant before sending it which involved huge amount of time and effort.
The high fiber content of hyacinth presented an opportunity to utilize it for paper production. A decision was made to send the hyacinth to a startup called Bluecat Paper, specializing in making paper from alternative sources. Due to its sturdy and resilient nature, hyacinth proved to be a suitable material for paper making. The collaboration between the Hulimavu Lake group and Bluecat emerged as an example of synergy.

Products made from Hyacinth collected from Hulimavu Lake
By collecting tons of hyacinth from the lake, Bluecat are able to produce a range of products such as bags, coasters, table mats, etc. This initiative had significant environmental benefits. By using hyacinth instead of cutting down trees, the production of these items offers an eco-friendly alternative for a more environmentally friendly future. It was also found that hyacinth contained around 60% cellulose content emphasizing its potential as a waste plant resource.

Youth and Innovation

Water crisis highlights the stark disparity in water accessibility among the vulnerable and poor. It bestows a huge responsibility on those who actually do not face the brunt of the crisis, i.e., the educated elites. Among them, the young people are a unique asset as they are growing in a rapidly evolving world which is allowing them to develop a different perspective about the world around them and thus incorporate innovation in everyday life. Initiatives like Why Waste, Bio-sand filter, Bluecat Paper have emerged aiming to reform social behavior towards water problems by providing them with simple alternate solutions to actively participate in them.
Investing in sustainable technologies, infrastructure, and practices is crucial than ever before in order to move towards the conservation of water resources. As an innovator, constantly thinking about ways to protect the environment and seeking ideas from others become crucial. Patience is a key virtue in environmental initiatives. Many ideas may arise, but successful execution is where many people stumble. It is crucial to persistently stick with a concept, investing the necessary time and energy to operationalize it, run through the acceptability and then make it successful.
In today's occupation and lifestyle, we anticipate instantaneous outcomes, however, we need to keep in mind that lasting change takes time. Ensuring that the solutions do not cause other new issues is crucial while designing solutions. It is also crucial to take an integrated perspective of potential effects on various people or groups. Taking a balanced approach that benefits everyone and maintains sustainability is essential.

Individual and collective re(actions)

Just like good/bad environment is a shared effect, environmental responsibility is a shared duty. It is thus essential for individuals, organizations, and governments to make conscious choices that prioritize long-term water conservation and sustainability. Individuals need to accept responsibility for the situation and actively participate in coming up with solutions. Relying only on governments and businesses in solving the problems is insufficient and unsustainable. Since, behavioral change is crucial part of any innovation to last long.
A significant challenge lies in the fact that most of us do not recognize and realize our role in water conservation. Unaware of our daily water consumption and waste production, we unknowingly contribute to the problem. An explicit objective of such initiatives and innovations thus, is to raise awareness to make people recognize and realize their role in the problem as well as solution. By understanding the impact of our actions, we can embrace small, yet significant, changes in ours and others lives which collectively can make a difference.
Each of us has the unique power to influence and inspire other stakeholders to take action. By leading through example and demonstrating our commitment to positive change, we can inspire others to join in and contribute towards solving pressing challenges like water conservation. It is essential for everyone to be aware of the duty and role in building a sustainable future.
By taking individual actions, even small ones, we can create a ripple effect that inspires others to do the same. Whether it is conserving water in our daily lives, advocating for sustainable practices, or influencing policymakers, our collective efforts have the power to drive significant change. The initiatives and innovations besides the speakers certainly enhance that, ‘Be the change you wish to see in the world’ besides, ‘Small is Beautiful’ and that each of us can do our bit to make water everybody’s business.
---
*Proshakha Maitra is an independent scholar and senior fellow at ED(R)C Ahmedabad and WforW Foundation. Dr Mansee Bal Bhargava is an entrepreneur, researcher, educator, speaker, mentor, Environmental Design Consultants Ahmedabad and WforW Foundation (www.mansee.in, www.edc.org.in, www.wforw.in). Click here to know about Wednesdays.for.Water

Comments

TRENDING

Dalit woman student’s death sparks allegations of institutional neglect in Himachal college

By A Representative   A Dalit rights organisation has alleged severe caste- and gender-based institutional violence leading to the death of a 19-year-old Dalit woman student at Government Degree College, Dharamshala, Himachal Pradesh, and has demanded arrests, resignations, and an independent inquiry into the case.

Domestic vote-bank politics 'behind official solidarity' with Bangladeshi Hindus

By Sandeep Pandey, Faisal Khan  The Indian government has registered a protest with Bangladesh over the mob lynching of two Hindus—Deepu Chandra Das in Mymensingh and Amrit Mandal in Rajbari. In its communication, the government cited a report by the Association of Hindus, Buddhists and Christian Unity Council, which claims that more than 2,900 incidents of killings, arson, and land encroachments targeting minorities have taken place since the interim government assumed power in Bangladesh. 

From colonial mercantilism to Hindutva: New book on the making of power in Gujarat

By Rajiv Shah  Professor Ghanshyam Shah ’s latest book, “ Caste-Class Hegemony and State Power: A Study of Gujarat Politics ”, published by Routledge , is penned by one of Gujarat ’s most respected chroniclers, drawing on decades of fieldwork in the state. It seeks to dissect how caste and class factors overlap to perpetuate the hegemony of upper strata in an ostensibly democratic polity. The book probes the dominance of two main political parties in Gujarat—the Indian National Congress and the BJP—arguing that both have sustained capitalist growth while reinforcing Brahmanic hierarchies.

NYT: RSS 'infiltrates' institutions, 'drives' religious divide under Modi's leadership

By Jag Jivan   A comprehensive New York Times investigation published on December 26, 2025, chronicles the rise of the Rashtriya Swayamsevak Sangh (RSS) — characterized as a far-right Hindu nationalist organization — from a shadowy group founded in 1925 to the world's largest right-wing force, marking its centenary in 2025 with unprecedented influence and mainstream acceptance. Prime Minister Narendra Modi , who joined the RSS as a young boy and later became a full-time campaigner before being deputized to its political wing in the 1980s, delivered his strongest public tribute to the group in his August 2025 Independence Day address. Speaking from the Red Fort , he called the RSS a "giant river" with dozens of streams touching every aspect of Indian life, praising its "service, dedication, organization, and unmatched discipline." The report describes how the RSS has deeply infiltrated India's institutions — government, courts, police, media, and academia — ...

From protest to proof: Why civil society must rethink environmental resistance

By Shankar Sharma*  As concerned environmentalists and informed citizens, many of us share deep unease about the way environmental governance in our country is being managed—or mismanaged. Our complaints range across sectors and regions, and most of them are legitimate. Yet a hard question confronts us: are complaints, by themselves, effective? Experience suggests they are not.

2025 was not just a bad year—it was a moral failure, it normalised crisis

By Atanu Roy*  The clock has struck midnight. 2025 has passed, and 2026 has arrived. Firecrackers were already bursting in celebration. If this is merely a ritual, like Deepavali, there is little to comment on. Otherwise, I find 2025 to have been a dismal year, weighed down by relentless odds—perhaps the worst year I have personally witnessed.

Celebrating 125 yr old legacy of healthcare work of missionaries

Vilas Shende, director, Mure Memorial Hospital By Moin Qazi* Central India has been one of the most fertile belts for several unique experiments undertaken by missionaries in the field of education and healthcare. The result is a network of several well-known schools, colleges and hospitals that have woven themselves into the social landscape of the region. They have also become a byword for quality and affordable services delivered to all sections of the society. These institutions are characterised by committed and compassionate staff driven by the selfless pursuit of improving the well-being of society. This is the reason why the region has nursed and nurtured so many eminent people who occupy high positions in varied fields across the country as well as beyond. One of the fruits of this legacy is a more than century old iconic hospital that nestles in the heart of Nagpur city. Named as Mure Memorial Hospital after a British warrior who lost his life in a war while defending his cou...

History, culture and literature of Fatehpur, UP, from where Maulana Hasrat Mohani hailed

By Vidya Bhushan Rawat*  Maulana Hasrat Mohani was a member of the Constituent Assembly and an extremely important leader of our freedom movement. Born in Unnao district of Uttar Pradesh, Hasrat Mohani's relationship with nearby district of Fatehpur is interesting and not explored much by biographers and historians. Dr Mohammad Ismail Azad Fatehpuri has written a book on Maulana Hasrat Mohani and Fatehpur. The book is in Urdu.  He has just come out with another important book, 'Hindi kee Pratham Rachna: Chandayan' authored by Mulla Daud Dalmai.' During my recent visit to Fatehpur town, I had an opportunity to meet Dr Mohammad Ismail Azad Fatehpuri and recorded a conversation with him on issues of history, culture and literature of Fatehpur. Sharing this conversation here with you. Kindly click this link. --- *Human rights defender. Facebook https://www.facebook.com/vbrawat , X @freetohumanity, Skype @vbrawat

Epic war against caste system is constitutional responsibility of elected government

Edited by well-known Gujarat Dalit rights leader Martin Macwan, the book, “Bhed-Bharat: An Account of Injustice and Atrocities on Dalits and Adivasis (2014-18)” (available in English and Gujarati*) is a selection of news articles on Dalits and Adivasis (2014-2018) published by Dalit Shakti Prakashan, Ahmedabad. Preface to the book, in which Macwan seeks to answer key questions on why the book is needed today: *** The thought of compiling a book on atrocities on Dalits and thus present an overall Indian picture had occurred to me a long time ago. Absence of such a comprehensive picture is a major reason for a weak social and political consciousness among Dalits as well as non-Dalits. But gradually the idea took a different form. I found that lay readers don’t understand numbers and don’t like to read well-researched articles. The best way to reach out to them was storytelling. As I started writing in Gujarati and sharing the idea of the book with my friends, it occurred to me that while...