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The Evaluation of Kurtboğazı Dam (Ankara, Turkey) from Hydro-Geochemical and Environmental Aspects

Abstract

Kurtboğazı Dam is one of the most significant sources of drinking water sources for Ankara City. In this study, hydro-geochemical properties and pollution sources of surface waters feeding into the dam are determined. In addition, important environmental problems such as squatter’s houses and wastewater discharges within protection zones of watershed of the dam are defined and appropriate precautions are discussed. The long-term trend (1998–2007) in water quality results of the dam and the surface waters in the Kurtboğazı watershed were studied, utilizing data provided by General Directorate of State Water Works (DSI). The results indicate that waters in the watershed can be classified as waters with calcium-bicarbonate. Due to the drought conditions experienced in recent years, the concentrations of the organic materials and nitrogen and phosphorus compounds in the surface waters have increased dramatically since 2005. It is thought that wastewaters discharged by the settlements within the watershed (especially Pazar Township) are responsible for these increases. Preventing wastewater discharges from the squatter’s houses and agricultural activities on the absolute and the proximate zones of the watershed and the constructing of a sewerage and treatment plant are the first challenges for the protection of the watersheds.

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Correspondence to İsmail Hakkı Özölçer.

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Altin, A., Bakir, F. & Özölçer, İ.H. The Evaluation of Kurtboğazı Dam (Ankara, Turkey) from Hydro-Geochemical and Environmental Aspects. Water Resour Manage 24, 747–759 (2010). https://doi.org/10.1007/s11269-009-9469-3

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  • DOI: https://doi.org/10.1007/s11269-009-9469-3

Keywords

  • Kurtboğazı Dam
  • Water pollution
  • Hydro-geochemistry
  • Protection zones of watersheds