Leadership

The Filtration and Purification of Water for Public Service

Issue 18 and Volume 46.

The Filtration and Purification of Water for Public Service Rarely does it happen that a catchment area is entirely free from the possibility of contamination from sewage, manures or other decaying matters deposited on the surface. Water undertakers should, if possible, acquire the full possession of the lands lying near the principal conduits, as well as of a considerable area adjoining the reservoirs. Such land should be planted and the streams kept free from weeds and the flow of water freely exposed to the air. Needless to say, the drainage of habitations within the catchment area must be rigidly excluded, and the water manager should periodically make an examination of intercepting drains and conduits in order to satisfy himself that the precautions are effective under all conditions. If agricultural pursuits have to be tolerated within the catchment area, these should, if possible, be restricted to grazing. In any case the…

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