
The average occupancy rate of ten main dams was shared in İSKİ's hydraulic report dated November 7, 2026.
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After the heavy rain in Istanbul for days, the occupancy rate in the dams became a matter of curiosity. İSKİ announced the dam occupancy rate as of November 7, 2026.
The situation in water reserves, which concerns millions of citizens in Istanbul, gained positive momentum with the reflection of autumn rains on the basins. After the heavy rain in Istanbul for days, the occupancy rate in the dams became a matter of curiosity. İSKİ announced the dam occupancy rate as of November 7, 2026.
7 NOVEMBER 2026 DAM FULL RATE
The situation in water reserves, which concerns millions of citizens in Istanbul, gained positive momentum with the reflection of autumn rains on the basins. According to the updated hydraulic reports dated November 7, 2026 shared by Istanbul Water and Sewerage Administration (ISKİ), the general average occupancy rate of the ten main dams that meet the city's water needs was recorded as 61.50 percent.
FULL RATE OF ISTANBUL DAMS
According to İSKİ's hydraulic measurements dated 7 November 2026, dam-based occupancy rates are as follows:
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According to İSKİ data, the rains that started on October 13 increased the dam occupancy rate by 23.44 points in 23 days, reaching 61.5%. This is the highest rate in the last 10 years. The amount of rainfall per dam reached the highest level of the last 10 years on the same date, at 985.54 kilograms per square meter.

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