What kind of problems does Rwanda have with its water supply?
Please check these sites.
1. River blindness
2. Drought... Due to shifting ITCZ (or climate change?)
3. Supply to isolated areas... Cost involved (Rwanda is a LEDC (less economicall developed country))
4. Cholera, TB and other parasites are spread by contaminated water.
5. Dependence on high yeild crops has resulted in increased water useage for agriculture.