The Istanbul Water and Sewerage Administration (İSKİ) has announced that a planned water outage will affect certain neighborhoods in the city on Wednesday, October 21, 2026. The outage will be implemented in specific areas within the Başakşehir, Esenyurt, and Arnavutköy districts.

According to the statement from İSKİ, the work is being carried out to connect the 800-millimeter and 400-millimeter diameter drinking water transmission lines, for which relocation work has been completed in the Ömerli neighborhood of Arnavutköy, to the existing water transmission lines.
The neighborhoods that will be without water between 10:00 and 21:00 on Wednesday, October 21, as part of the planned work are as follows:
- - Başakşehir: Bahçeşehir 2nd Section Neighborhood
- - Esenyurt: Orhangazi Neighborhood
- - Arnavutköy: Ömerli, Deliklikaya, Hastane, Hadımköy, Yassıören, Yeşilbayır, and Dursunköy neighborhoods
The announcement emphasized that the outage does not cover the entirety of the three districts, but only the specified neighborhoods. Water is expected to be restored gradually starting at 21:00 following the completion of the work.
News Source: 12punto