October 2001 No Infrastructure Households: The number of households in SA that had no access to any form of formal water infrastructure as per the 2001 Census. This includes all households drinking "unsafe" water from a dam, spring, stream, river, well, etc.
No Infrastructure Households - April 2012: The current estimated number of households with no access to any form of formal water infrastructure. This estimate is based on Census 2001 and updated with actual project progress prior to MIG implementation. Since MIG implementation, annual delivery is estimated based on MIG Allocation.
% Backlog: Total number of households with no access to any formal water infrastructure as a % of the total estimated backlog.