Public drinking water resource policy no. 1 of 2004 Document Size: 47884 bytes Publish Date: 18-FEB-2008 09:18 AM The primary aim of this policy document is to protect drinking water quality through land use planning guidance, in the interest of public health. Originally prepared by the Water and Rivers Commission, this policy was endorsed by the Department of Environment, and is now the major instrument guiding advice by the Department of Water on land use planning in public drinking water source areas.