
İSKİ shared the data of September 7, 2026: Rapid decline in Istanbul dams with summer heat and increasing consumption.
AI-generated summary
Istanbul's water needs are met through dams managed by İSKİ.
In its updated statement, Istanbul Water and Sewerage Administration (ISKİ) shared the recent change in dam occupancy rates in Istanbul. So, what is the occupancy rate of Istanbul dam on September 7, 2026?
CURRENT DAM OCCUPANCY RATES 7 SEPTEMBER 2026
According to the official data shared by İSKİ as of Monday, September 7, 2026, the general average occupancy rate of the dams that meet Istanbul's water needs has decreased to 41.69 percent. The fact that the general average, measured as 58.68 percent in mid-July, entered a rapid downward trend with the beginning of September, clearly reveals the high evaporation and increased water consumption caused by summer heat.
While the Ömerli and Elmalı dams on the Anatolian Side continue to bear the city's water load, the occupancy rates in the western basins such as Istrancalar, Pabuçdere and Sazlıdere on the European Side have fallen below critical levels.
7 SEPTEMBER 2026 DAM FULL RATES
According to İSKİ's latest hydraulic measurements dated September 7, dam-based occupancy rates are as follows:
Increased pollution from wildfires and heatwaves is undermining air quality and health protection efforts, according to a new report from the WMO. Attention was drawn to the fatal risks of PM2.5 and ozone pollution.

Forest fires broke out in Muğla Menteşe and Antalya Serik for an unknown reason. A large number of vehicles and personnel are responding to the flames spread by the wind from the air and land. A worker in Serik was affected by smoke.

Three houses were evacuated, some animals evacuated and the Mugla-Delhi land road was closed to access.

The fire, which was caused by wind in the Armutchuk neighborhood of Ulla county of Mugla, is being intercepted from the air and land.

Airplanes, helicopters and many personnel are responding to the forest fire that is growing due to the wind in Menteşe and Ula districts of Muğla. Muğla-Denizli highway was closed, 3 houses and some animals were evacuated.
The forest fire, which broke out for an unknown reason in the Menteşe district of Muğla, grew under the influence of the wind. Teams continue to intervene by air and land.