Figure 1.

Urban Malaria Control Programme (UMCP) targeted area and drains selected for pilot community-based environmental management intervention. A. UMCP-targeted wards where a survey to assess drain conditions was conducted. Two drains selected for a pilot community-based environmental management intervention are circled in red. B. Suna Drain, located in Magomeni ward. C. Aziz-ali Drain, located in Mtoni and Miburani wards. In both B and C, the background is a Quickbird satellite image taken in 2002. Since that year, significant house construction occurred near Magomeni ward.