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Maruba Dam – Machakos County

Maruba Dam is the source of water for Machakos and is located across River Maruba in Machakos District.  The dam was constructed in the late 1950’s to supply water to Machakos Municipality covering an area of 10 km2

In June 2010, NWCPC finalized rehabilitation of Maruba dam by raising the height of the embankment wall and spillway by 6 m. This increased the dam’s storage capacity from 0.60 Million m3 to 2.45 Million m3.  Increase in storage volume has ensured increase in water supply to Machakos Town and its environs from 2,050 m3/day to 8,700m3/day.

It is approximated that the project serves more than 200,000 people in Machakos County.  Machakos Peoples Park is majorly successful due to the beautiful scenery provided by Maruba Dam. 

Project components

This project was built entirely by the Corporation using its internal capacity.  The scope of the project entailed construction of the following: –

  • Increasing the height of the dam by 6 meters
  • Construction of new water treatment plant to meet the increased water demand in Machakos Town and environs.
  • Refurbishment of the existing treatment works.
  • Laying of a new pipeline to existing water storage tanks

The Dam was commissioned in the year 2010 and is currently main water supply source for the Machakos town.