The resin beads may not seem like much, but you could save hundreds of thousands of people at risk in Bangladesh and some parts of India.
Human Rights Watch says up to 20 million people are at risk of arsenic poisoning in Bangladesh.
Millions of people have already experienced what the World Health Organization defines it as “the largest poisoning of the mass in the history of mankind”.
Million tube-wells were dug throughout Bangladesh since 1940. The simple pumps have been installed all over the country, the government and Ngos from the 1970s onwards, as a way to provide cost-effective, bacteria-free water.
However, during the 1980s, cases of arsenic poisoning began to emerge.
Arsenic can not be seen or smell; the first signs of its impact are skin lesions that emerge once the poisoning has taken place.
The poisoning can set a series of heart disease and cancer, and the external symptoms look a bit like the leprosy, that he can bring to victims and their families being shunned by the local community. A heavy price
Siaton Nessa Meherpur has lesions on the skin from arsenic poisoning. She is in her mid 50s and she says the disease has ruined her whole family.
“Because of this well all of my skin is filled with black spots,” he says.
“I am worried for my children, because no one is willing to marry.”
While the government has made efforts to replace the wells, in many rural areas are still the primary source of water, especially as many families have dug their own tube wells.
Human Rights Watch estimated 43,000 people die every year in Bangladesh from diseases caused by arsenic poisoning. New solutions
Minhaj Chowdhury, 28, was brought to the United States, but visited family in Bangladesh during the school holidays.
“Shocked and deeply saddened me to think of how we never had to worry about the water to be fatal in the USA, but here in Bangladesh, one out of every five deaths was associated with non-potable water,” Mr Chowdhury said.
After that his grandfather died of a disease linked to the water, he decided to take action.
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In 2013 he founded Drinkwell, in collaboration with Dr. Arup K SenGupta, who has invented a special type of resin technology and is already active in the implementation in India.
The resin removes arsenic and other harmful substances from the water, and once it has been used Drinkwell filters the water through a series of other tanks to take other harmful substances.
The water is sold locally by the “Drinkwell” entrepreneurs and the money raised is used to maintain the system.
The price is set depending on the position, but a monthly subscription costs anywhere from $0.05 (4p) and $0.12 per 20 litres (4.4 gallons) per day. Entrepreneurial opportunities
According to the United Nations, 30% and 50% of all projects after substantial investment due to an inability to maintain services.
Dr Islam Khairul, the country director for the charity Water Aid in Bangladesh ” believes that social entrepreneurs have a role to play in the fight against arsenic poisoning.
Dr Islam told the BBC that the main problem so far has been the operation and maintenance.
Why is Drinkwell includes operating and maintenance costs are at the centre of its model says that it is model type “of this country needs”.
The first Drinkwell plant has started the delivery of water in Manikganj district in 2015. Today that one plant alone has 750 daily of the clients and allows the delivery of 150,000 gallons per day.
The network has grown across the country, often going to the schools to provide drinking water for students during meals, from here the word spreads throughout the community.
There are now 30 Drinkwell filtration systems in India and Bangladesh serving more than 100,000 people.
Mr. Chowdhury believes that this is only the beginning for Drinkwell. He hopes to be able to reach hundreds of millions of people across Asia.
He is already talking to the Bangladesh government on the implementation of the technology throughout the country.
Through the involvement of the community in the maintenance through their entrepreneur network Mr Chowdhury is convinced that the system can provide clean water “for always”.