92 The Future of Water in African Cities
Figure 4.5 Current Population and a Suggested Layout for Future Growth of Mbale Municipality, Uganda
Mbale water mains Commercial/industrial Domestic Government/institutions Public standpipe
Source: World Bank.
nologies for a system that includes greywater recycling and groundwater protection. Note that public acceptance of these systems is addressed by discharging the effluent from the DEWATS into a SAT system, which then recharges the groundwater. Groundwater can then be extracted from the aquifer. In this manner a natural buffer becomes part of the recycling, making it more acceptable. There is only one potable water pipe entering houses, which reduces the risk of contamination due to crossed installations. A possible combination of sources is illustrated in Figure 4.6. Note that surface water from the Nabijo and Nabiyonga Rivers is only calculated