Because of the shortage of purified water in underdeveloped countries there is a big dilemma about all the diseases this problem is causing. Even in places that have an abundance of water like rivers, lakes or wells would have the same type of problem because of the maladministration of the resources and the lack of technology used in these places. People from the rural zones and suburban zones are the most affected by this problem. If it could be possible to design processed water plant purification adaptable to the areas where these people live it would be possible to resolve this problem.
Some videos and information to show the real problem about it: