20-hour water outage in 6 districts of Istanbul

In Istanbul, due to the revision and faulty valve replacement works at İSKİ's Osmangazi Pumping Center, water will not be supplied to some neighborhoods of Arnavutköy, Çatalca, Eyüpsultan, Avcılar, Başakşehir and Esenyurt districts for 20 hours on 5-6 August 2026.

According to the announcement made by Istanbul Water and Sewerage Administration (İSKİ), the main transmission line will be temporarily disabled within the scope of the revision works to be carried out at Osmangazi Pumping Station and the renewal of the faulty valve. There will be a water outage in many neighborhoods in 6 districts between 23:00 on Wednesday, August 5, and 19:00 on Thursday, August 6, 2026.

Due to planned infrastructure work, some regions and neighborhoods will not be able to receive water for 20 hours.

The regions where the cuts will be made are as follows:

Arnavutköy: İmrahor, Yavuz Selim, Mareşal Fevzi Çakmak, İslambey, Fatih, Adnan Menderes, Haraççı, Sazlıbosna, Karlıbayır, Hacımaşlı, Taşoluk, Mehmet Akif Ersoy, Çilingir, Tayakadın, Balaban, Boyalık, Baklalı, Yeniköy, Terkos, Karaburun, Nene Hatun, Mustafa Kemal Paşa, Anadolu, Arnavutköy Merkez, Boğazköy İstiklal, Yunus Emre, Hicret, Atatürk, Mavigöl, Bolluca, Karaağaç, Bahşayiş, Yeşilbayır, Deliklikaya, Ömerli, Hadımköy, Dursunköy and Hastanesi Neighborhoods.

Çatalca: Nakkaş District.

Eyüpsultan: Ağaçlı, Odayeri, Işıklar, İhsaniye and Akpınar Districts.

Avcılar: Mustafa Kemal Pasha, University, Cihangir, Merkez, Firuzköy and Yeşilkent Neighborhoods.

Başakşehir: Bahçeşehir 1st Part and Bahçeşehir 2nd Part Neighborhoods.

Esenyurt: Koza, Aşık Veysel, Esenkent, Orhan Gazi, Turgut Özal, Namık Kemal, Saadetdere, Zafer, Akşemseddin, İncirtepe, Yunus Emre, İnönü, Üçevler, Fatih, Sultaniye, Balıkyolu, Yenikent, Bağlarçeşme, Çınar, Örnek, Süleymaniye, Selahaddin Eyyubi, Ardıçlı, Merkez, Talatpaşa, Pınar, Akerler and Mehterçeşme Neighborhoods.