Residents in parts of Kisumu have been informed of a temporary water supply interruptions after Kisumu Water and Sanitation Company (KIWASCO) announced scheduled maintenance activities at its treatment facilities.

In a notice on Thursday, May 28, the company said the interruption is meant to facilitate routine cleaning works at reservoir tanks located at the Dunga Treatment Plant.

“For continued efficiency and water quality, we will be carrying out scheduled routine cleaning of our reservoir tanks at Dunga Treatment Plant on 2rd and 5th June, 2026,” the notice read in part.

According to KIWASCO, areas expected to be affected on June 2 include Milimani, Nyamasaria, Nyalenda, Central Business District and adjacent areas.

Meanwhile, customers in additional locations will experience supply interruptions on June 5, with the affected areas listed as Central Business District, Dunga beach, Nanga, Nyalenda A & B, Posta Flats, Ondiek, Polyview, Star Hospital, Kaloleni, and Lumumba Hospital.

Nyalenda Railways, United Mall, Kisumu Boys High school, Kisumu Girls High school, Kisumu Day, Industrial Area, Kenya Breweries, Highrise and adjacent areas will also be affected.

KIWASCO has urged residents and businesses in the affected zones to make early preparations to minimize inconvenience during the maintenance period.

“Kindly store enough water for use ahead of the stated dates as per your area,” the notice concluded.