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Home > Environment News > The critical situation in Istanbul's dams has changed

The critical situation in Istanbul's dams has changed

According to İSKİ data, the occupancy rate in the dams supplying water to Istanbul has risen to 54.69 percent due to recent rainfall. The water levels, which had fallen to critical levels during the winter months, have shown a recovery trend as of March.

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Published: 29.03.2026 10:46 Updated: 29.03.2026 10:46
The critical situation in Istanbul's dams has changed

The rainfall that has been effective in Istanbul has had a positive impact on the city's water resources. According to the latest data released by the Istanbul Water and Sewerage Administration (İSKİ), the average occupancy rate in the dams has reached 54.69 percent.

Occupancy rates, which had dropped below 20 percent during the dry months of November and December, have gradually increased with the rainfall that intensified after the new year. The rate, which was measured at 22.01 percent on January 12, has more than doubled by the end of March.

DAMS WITH THE HIGHEST AND LOWEST LEVELS

According to the data, the dam with the highest occupancy rate in Istanbul is Istrancalar with 94.75 percent, while the lowest level was recorded at Pabuçdere with 29.67 percent.

DAM OCCUPANCY RATES AS OF MARCH 29

• Alibey Dam: 46.29 percent

• Büyükçekmece Dam: 39.81 percent

• Darlık Dam: 70.65 percent

• Elmalı Dam: 94.37 percent

• Istrancalar Dam: 94.75 percent

• Kazandere Dam: 59.08 percent

• Pabuçdere Dam: 29.67 percent

• Sazlıdere Dam: 34 percent

• Terkos Dam: 40.49 percent

• Ömerli Dam: 76.6 percent


News Source: 12punto

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Istanbul Water and Sewerage Administration Istanbul water level in dams Istanbul's dams