The Nairobi City Water & Sewerage Company Limited has announced that residents in several parts of Nairobi will experience a temporary water shortage following a planned shutdown of a key treatment facility.
In a public notice, the utility company said it will temporarily shut down the Sasumua Water Treatment Plant from February 20, 2026, at 6:00 am to February 21, 2026, at 8:00 am to allow for essential maintenance works aimed at improving production efficiency.
The company said the interruption is part of ongoing efforts to enhance the reliability of the water supply in the city but warned that several estates will experience shortages during the shutdown period.
Among the areas expected to be affected include Westlands, Parklands, Riverside, Kileleshwa, Kilimani, Hurlingham, Dagoretti, Kangemi, Karen, Lang’ata, Southlands, and parts of Ngara and Gigiri.
Other areas likely to face disruptions include Kibera, Karanja Road, Olympic, Makina, parts of the University of Nairobi main campus and surrounding areas, as well as estates along Ngong Road, Waiyaki Way and Valley Road.
Residents in Eastlands areas such as Madaraka, Nairobi West, and parts of Mbagathi Way will also experience interruptions.
The water company explained that the temporary shutdown is necessary to facilitate essential works at the treatment plant, which plays a significant role in supplying water to the city.
“The Nairobi City Water and Sewerage Company will temporarily shut down the Sasumua Water Treatment Plant to carry out essential works aimed at improving production efficiency,” the notice stated.
The utility has advised residents and institutions in the affected areas to use available water sparingly during the interruption period and to store sufficient quantities in advance to minimise inconvenience.
Businesses, schools, hospitals, and other institutions that rely heavily on water have also been urged to put in place contingency measures to ensure continuity of their operations.
Water supply is expected to resume progressively once the maintenance works are completed and the treatment plant is brought back into operation.
The company apologised for the inconvenience caused and assured residents that the works are necessary to improve service delivery and ensure a more reliable water supply in the long term.
Nairobi has in recent years faced periodic water shortages due to growing demand, aging infrastructure, and dependence on a limited number of water sources.
Authorities have said that maintenance of key infrastructure is essential to ensure a sustainable water supply for the city’s growing population.
Residents seeking further information have been advised to contact the water company through its official customer care channels.