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List Of Nairobi Estates Set To Experience Water Shortage As Sasumua Plant Shuts Down

BY Getrude Mathayo · February 19, 2026 01:02 pm

Nairobi City Water and Sewerage Company has announced a planned 24-hour water supply interruption that will affect a large section of Nairobi, as part of scheduled maintenance works at the Sasumua Water Treatment Plant.

The temporary shutdown, confirmed on Thursday, February 18, by Acting Managing Director Martin Ngarilo, is aimed at facilitating essential maintenance and system upgrades designed to improve overall production efficiency and long-term reliability of water supply across Nairobi.

According to the notice, the interruption will commence at 6:00am on February 20 and continue until 6:00am on February 21. During this period, water production from the Sasumua plant will be halted, leading to supply disruptions and reduced water pressure in several estates and commercial hubs.

In a public statement, the utility company appealed for patience and cooperation from residents and businesses likely to be affected.

“We appeal to all affected customers to use the available water sparingly during this interruption period and to store sufficient quantities where possible. Any inconvenience is highly regretted,” the statement read in part.

The shutdown is expected to impact a broad range of neighborhoods across Nairobi, including residential estates, commercial centers, learning institutions, and diplomatic zones.

Residents in Westlands and Lavington will experience a complete halt in water supply. Key roads and estates affected include Riverside Drive, Chalbi Drive, Gitanga Road, and Riara Road. Additional estates such as Hedred, Mbaazi, Masanduku, and Leloghi Gardens will also be without water during the shutdown window.

These areas, known for their mix of high-rise apartments, gated communities, and office complexes, are among the major consumers of treated water supplied from Sasumua.

In Kileleshwa, interruptions will affect residents in Kandara, Gichugu, Mazeras, and Mbooni estates. Homes and institutions near St George’s School are also included in the disruption.

Customers along Laikipia Road, Githunguri, and within the Department of Defence (DoD) estates should anticipate reduced or no water supply during the 24-hour maintenance period.

University of Nairobi and its surrounding areas will experience reduced water availability, particularly around the Main Campus, Mamlaka Line, and Valley Road.

In Kilimani, estates along Argwings Kodhek Road, Rose Avenue, and near Hurlingham Shopping Centre will also be affected. The vicinity of Daystar University has similarly been listed among areas that will face temporary supply cuts.

Parts of Dagoretti, Kawangware, and Waithaka, including Sunset Estate, Sohill City Estates, and Kagira, are set to experience disruptions. Residents in these densely populated areas have been advised to prepare early to mitigate inconvenience.

Residents in Uthiru, Mutuini, and Jamhuri have also been placed on alert. In Upper Hill, several institutions and office blocks will face reduced water supply, including areas around Kenyatta National Hospital and the Kenya Medical Research Institute (KEMRI) offices.

Given the concentration of hospitals, corporate offices, and government institutions in Upper Hill, the water utility has emphasized the need for early storage and contingency planning.

In Kibera and neighboring communities such as Makina, Karanja Road, Olympic, and parts of Gatwekera, residents will experience water shortages. Kang’ethe, Togo Flats, Kangemi, and Loresho are also on the list of affected neighborhoods.

For residents in informal settlements, where access to piped water is already limited, the shutdown is expected to increase reliance on water vendors and communal supply points.

Langata, Nairobi West, Madaraka, and Karen estates will also be impacted. Roads such as Bogani East, Magadi, Ndorobo, and Tandara have been highlighted as zones likely to experience supply reductions.

Diplomatic and high-security neighborhoods including Ngara, Gigiri, and Upper Hill will not be spared. Key institutions within these zones, such as the United Nations Environment Programme (UNEP) headquarters, Village Market, and the US Embassy, are expected to see temporary water supply reductions.

The Nairobi City Water and Sewerage Company has urged residents, businesses, schools, hospitals, and institutions to conserve the available water prior to the shutdown.

Read Also: Britam Foundation Delivers Water, Health and Jobs, Impacting 92,000 Lives

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