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Mwache Water treatment / James Keogh
This project will improve the supply of potable water to Mombasa. It is the phase 1 of the master plan for the extension of the drinking water production system of the South Coast of Kenya, which was adopted in 2013 by the Kenyan authorities and the County.

Mombasa is the second biggest city of the country, with near a million inhabitants. The port of Mombasa occupies a historic and strategic place for the servicing of the country, in particular its capital Nairobi, but also Uganda, South Sudan and Rwanda. It is a central infrastructure for the national and the regional economy.

Besides, the coastal city welcomes 800,000 tourists a year. Tourism is one of the key sectors of the country in terms of generation of foreign currencies and jobs.

Considering the population and the needs of the harbour and the tourist industry, the demand in water is considered for the city of Mombasa only to be approximately 150 000 m3/day. However, the available volume of water is at present less than 50.000 m3/day.

Furthermore, the main sources are very distant and thus expensive.


The project will allow the construction of:

.a new dam on the Mwache river, close to Mombasa (financing: World Bank);
.a new water treatment plant to produce potable water, with a capacity of 140.000 m3/day;
.the construction of transmissions pipes and reservoirs for treated waters;
.the extension of the potable water network, the reduction of water leakages, and the improvement of sewage treatment for Mombasa.


The objective of the project is to increase the access to good quality water, at a reasonable cost, for all inhabitants of Mombasa County. The water supply will be sufficient to meet the growing demand until 2030.

Project start date
5 years
Duration of funding
120 000 000
Financing amount
Kenyan Government
Mombasa Water Company