The authority covers the counties of Narok, Kajiado, Nakuru and Nyandarua. The authority is mandated to plan and co-ordinate the implementation of development projects in the Ewaso Ng’iro South River Basin and catchment areas.
The Authority is dedicated to be the leading agency in promotion of integrated sustainable and equitable social economic development in the River basin
Ensda has a diverse geography, cultures, economies and climatic conditions covering highlands, and Arid and semi-Arid areas (ASALS). High poverty levels, heavy disease burden, scarce water resources, rapid resource depletion and poor infrastructure.