Water supply and sanitation in Zimbabwe in Zimbabwe are the Zambezi River in the north, and the Limpopo River in the south. Several other rivers with significant watershed areas that flow through Zimbabwe are the Save, Manyame, and Sanyati Rivers. The biggest lake in Zimbabwe is Lake Kariba which is on the border with Zambia. There are several large aquifers in Zimbabwe. In urban centers of Zimbabwe the majority of the water supply comes from piped water. In rural areas, Zimbabweans predominantly rely on wells and boreholes that tap into Zimbabwe's groundwater supply. The construction of many wells was mainly financed by the households themselves. The
Zimbabweans in Zambia exported more corn than it imported. Zambia was considered the "easy option" for Zimbabwean farmers as compared to other potential destinations such as Malawi or Nigeria due to the close resemblance between the soil and climate of Zambia and that of Zimbabwe, as well as Zambia's relative stability; however, farmers who relocated to Zambia typically took on heavy debts denominated in Zambian kwacha while selling their produce abroad for U.S. dollars, which put them into difficulties when the kwacha appreciated almost one-third against the dollar in 2006. Zimbabwean leader Robert Mugabe harshly criticised his Zambian counterpart Levy Mwanawasa for taking