Document
Water Cycle and Sources
Water is in continuous movement on, above, and below the surface of the Earth. Drinking water comes from three main sources (rainwater, groundwater, surface water).
Document
Water Cycle and Sources
Water is in continuous movement on, above, and below the surface of the Earth. Drinking water comes from three main sources (rainwater, groundwater, surface water).
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CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.