Istanbul’s Dam Levels Show Slight Increase Amidst Recent Rainfall
Istanbul, February 21 – Recent rainfall in Istanbul has led to a limited but promising increase in the city’s water reserves. According to updated data from İSKİ (Istanbul Water and Sewerage Administration) on February 20, 2026, the average dam occupancy rate has risen by 0.51% compared to the previous day.
The metropolis, particularly its inland areas, has experienced rainfall, and it is anticipated that the increase in dam basin levels will continue. This upward trend in dam occupancy rates is expected to persist in the coming days. The latest figures indicate that Istanbul’s overall dam occupancy rate has reached 42.09%.
Dams Begin to Replenish After Critical January Levels
After reaching critical levels in January, Istanbul’s dams have begun a recovery process in February, thanks to the anticipated rainy weather. Data from İSKİ, corroborated by the Disaster and Emergency Management Presidency, shows the general occupancy rate increasing by 0.51% in the last 24 hours, reaching 42.09%. Significant increases in key dams such as Ömerli and Elmalı present a hopeful outlook for Istanbul’s water management.
Current Dam Status: February 20, 2026
İSKİ announced the dam occupancy rates for February 20, 2026. According to the latest data, the total dam occupancy rate in Istanbul was measured at 42.09%.
İSKİ Dam Occupancy Rates – February 20, 2026:
- Ömerli Dam: 57.82%
- Darlık Dam: 59.31%
- Elmalı Dam: 89.46%
- Terkos Dam: 27.05%
- Alibey Dam: 35.58%
- Büyükçekmece Dam: 31.02%
- Sazlıdere Dam: 26.33%
- Istrancalar Dam: 79.43%
- Kazandere Dam: 51.02%
- Pabuçdere Dam: 28.35%
The continuous monitoring and reporting by İSKİ provide crucial insights into the city’s water resources, especially during periods of fluctuating weather conditions. The current increase, while modest, offers a positive indication for Istanbul’s water supply in the near future.
Source: https://www.fotomac.com.tr/haberler/2026/02/20/baraj-doluluk-oranlari-20-subat-2026-iski-guncel-verileri-barajlarda-son-durum
