OPINION: Umaa and Thwake dams to Transform Lower Eastern into economic powerhouse

For generations, water scarcity has dictated the limits of life and ambition in Kenya’s lower Eastern region.

Farmers have watched crops wither when the rains failed, livestock have been lost to drought, women and children have spent precious hours searching for water, and businesses have operated under the constant threat of unreliable supply. Yet access to clean and safe water is a fundamental right.

In a region where water has often meant survival, two major dams are about to redefine what it means to prosper.  Umaa Dam in Kitui and Thwake Multipurpose Dam on the Kitui-Makueni border are much more than storing water.

They represent a decisive economic turning point in which water becomes the foundation for productive agriculture, thriving businesses, new industries, expanding towns, jobs and rising household incomes.

Umaa dam is designed to strengthen water security and resilience in Kitui while supporting domestic supply and irrigated agricultural production.

Thwake takes that proposition to an entirely different scale by addressing chronic water scarcity, improving food security and supporting industrial, institutional and domestic water needs. Upon completion, the dam is arguably Kenya's second largest after Masinga. 

With a storage capacity of about 688 million cubic metres, the dam is designed to provide up to 150,000 cubic metres of treated water a day to about 1.3 million people in Kitui, Makueni and the Konza Technopolis area; generate approximately 20 megawatts of hydropower; and support irrigation across about 40,000 hectares, or 100,000 acres; that is, more jobs, increased incomes and more livelihoods secured.

For the ordinary farmer, reliable water can fundamentally change the economics of agriculture.

Irrigation reduces dependence on increasingly unpredictable rainfall, makes production more consistent and gives farmers the confidence to move from subsistence farming to higher-value commercial crops. 

That consistency can trigger an entire chain of economic activity. More reliable production creates demand for farm inputs, storage, transport and processing. Agro processing creates value addition.

Value addition creates businesses and jobs. Higher household incomes create stronger local markets.  This is how water begins to create value far beyond the reservoir. The Kitui and Makueni County Aggregation and Industrial Parks (CAIPs) will be operationalised and sustainable with guaranteed production (farm supplies).

Water security in the lower Eastern Counties will be equally significant for livestock-keeping communities.

Reliable water points will reduce pressure on pastoral livelihoods during dry periods, improve animal health and productivity, and support emerging livestock value chains.

For women and young people, who often bear a disproportionate burden of water scarcity, reduced time spent looking for water will translate into more time for education, enterprise and productive work.

The same logic applies to urban development.  Businesses require reliable water. Industries require reliable water. Growing towns require reliable water.

A region that can offer dependable water supply is fundamentally better positioned to attract and retain economic activity than one where water remains a persistent operational risk.  Thwake’s significance becomes particularly clear in this context.

Thwake's location places it within an emerging economic geography linking Kitui, Makueni and the wider Konza Technopolis region.

Its value, therefore, will not be determined only by how much water the dam stores, but by how effectively that water connects with roads, markets, farms, towns, industry and technology.

That is the essence of corridor economics: infrastructure becomes transformative when different forms of infrastructure reinforce one another.  For instance, a road opens access to a market.

Water enables production. Energy supports processing. Processing creates value addition and jobs. Urban centres provide markets and services.  The economic return is created in the connections between them.

The two dam projects fit squarely into the Bottom-Up Economic Transformation Agenda (BETA).

The administration of President William Ruto has placed water storage, irrigation, agricultural productivity and value addition at the centre of its strategy to expand opportunities from the bottom up. 

Reviving the two projects aligns with the government's broader strategy to develop 50 mega dams, positioning the country as a leading renewable energy hub in East Africa.

Will a farmer earn more? Will a young person find a job without leaving the region? Will a small trader find a bigger market?

Will a cottage factory have enough raw material to expand? Will families have reliable water in their homes?

Will industries find a reason to invest? Those are the questions that will define the measure of success.

Umaa dam's long implementation history is a reminder that infrastructure benefits are realized only when projects are completed, commissioned and made operational.

The current Administration has prioritized funding and completion of this project, despite earlier delays and changes in implementation causing stalling.

Thwake, meanwhile, has reached a decisive stage, following the securing of additional financing.  Phase One is now substantially advanced, and efforts continue towards completion and the development of its wider components.

The larger opportunity for lower Eastern Kenya is therefore clear. For a region long associated with water scarcity and food relief, the objective should no longer be simply to survive the dry season, but to produce through it. 

Umaa and Thwake provide the water revolution for that transition. Their ultimate success will not be measured by the dams themselves.

It will be measured by the farms that become productive, the businesses that become viable, the industries that locate nearby, the towns that expand, the young people who find work and the families whose incomes rise.  That is when water ceases to be merely a scarce resource. 

It becomes an engine of growth and shared prosperity for generations.

The author, Sitati Olando, is the Head of Government Delivery Unit in the Executive Office of the President, Kenya. (sitatiolando@gmail.com , www.delivery.go.ke)