Hi Gregoire; The problems you mention are common everywhere though I suppose differing extents. Here in India the main problem we have encountered repeatedly is a combination of unplanned growth caused by rural to urban migration which makes it very difficult for water supply and sewerage networks to be installed. Water is eventually solved as the slum evolves over time and becomes a semi-permanent and then permanent community. Sewerage is more difficult and here there is a greater and greater push to use decentralized solutions as the increasing population means that the available pool of water keeps getting divided and there is never enough to achieve scouring velocities. With regards, Sanjay www.clearford.com

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Hi Gregoire; The problems you mention are common everywhere though I suppose differing extents. Here in India the main problem we have encountered repeatedly is a combination of unplanned growth caused by rural to urban migration which makes it very difficult for water supply and sewerage networks to be installed. Water is eventually solved as the slum evolves over time and becomes a semi-permanent and then permanent community. Sewerage is more difficult and here there is a greater and greater push to use decentralized solutions as the increasing population means that the available pool of water keeps getting divided and there is never enough to achieve scouring velocities. With regards, Sanjay www.clearford.com