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Türkiye’s water use, wastewater output continue to rise, TurkStat report shows

A smartphone screen displays economic indicators, including Türkiye’s GDP growth rate and unemployment figures, on the Turkish Statistical Institute (TurkStat) mobile application. (Adobe Stock Photo)
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A smartphone screen displays economic indicators, including Türkiye’s GDP growth rate and unemployment figures, on the Turkish Statistical Institute (TurkStat) mobile application. (Adobe Stock Photo)
December 10, 2025 10:29 AM GMT+03:00

Türkiye’s latest environmental indicators reveal sustained increases in both water extraction and wastewater discharge, reflecting heightened pressure from industrial operations and thermal energy production, according to newly released figures from the Turkish Statistical Institute (TurkStat).

Total water withdrawal increased to 20.3 billion cubic meters in 2024, up from 19.2 billion cubic meters in 2022.

TurkStat’s breakdown shows:

  • 54.6% of all water withdrawn came from seawater.
  • 93.8% of that seawater was used exclusively for cooling at thermal power plants.
  • Freshwater sources accounted for 45.4% of overall withdrawal.
  • Municipalities accessed 81% of Türkiye’s total freshwater.

These figures underscore the dominant impact of thermal energy production on national water usage trends.

Wastewater discharge climbs to 17.2 billion cubic meters

Wastewater discharge reached 17.2 billion cubic meters, with the majority released into natural bodies:

  • 75.9% discharged into the seas
  • 19.5% discharged into rivers

Cooling water again formed the bulk of total wastewater volumes:

  • 80.1% of wastewater released into marine environments was cooling water
  • Thermal power plants accounted for 50.2% of all wastewater discharged nationwide

    Turkish Statistical Institute data shows water abstraction for municipal water supply network by water resources, 2022-2024, photo accessed on Dec. 10, 2025. (Photo via Turkish Statistical Institute)
    Turkish Statistical Institute data shows water abstraction for municipal water supply network by water resources, 2022-2024, photo accessed on Dec. 10, 2025. (Photo via Turkish Statistical Institute)

Wastewater treatment remains stable

Excluding cooling water, 78.3% of wastewater was treated before release, a level indicating continued compliance with Türkiye’s national standards and EU-aligned requirements.

Municipal wastewater systems maintained extensive coverage, reaching 98.8% of urban residents.

Municipal consumption and daily per capita use

Municipal consumption figures reported:

  • 255 liters of potable water supplied per capita per day
  • 210 liters of wastewater are discharged per capita per day

Among major cities, Istanbul recorded the highest per capita wastewater discharge, a reflection of its dense population and concentrated industrial load.

December 10, 2025 10:29 AM GMT+03:00
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