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The National Water Master Plan Sectorial Report on 1992 identified three sites along the Athi River Basin (Munyu, Baricho and Thwake) having potential for water supply, irrigation and power development. The Government of Kenya (GoK) later conceptualized Thwake Multipurpose Water Development Program (TMWDP) as one of the critical water reservoirs (dams) to help the Semi Arid counties of Machakos, Kitui and Makueni  to address perennial water challenges for the rural communities. Read more..

To ensure water resources availability and accessibility by all.

To contribute to national development by promoting and supporting integrated water resource management to enhance water availability and accessibility.

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Thwake Multipurpose Water Development Program is a key game-changer touted to empower lives of thousands of residents in the Lower Eastern region on Makueni, Kitui and parts of Machakos counties. The Government of Kenya (GoK) through the Ministry of Water, Sanitation and Irrigation and funding from the African Development Bank (AfDB) is implementing this program comprising a multi-purpose dam for water supply, irrigation and hydropower generation. It will also provide regulation of flows on Athi River downstream for flood and drought mitigation.