Çavuş, AsudeŞen, Fazıl2025-05-102025-05-1020202148-268310.31590/ejosat.766166https://doi.org/10.31590/ejosat.766166https://search.trdizin.gov.tr/en/yayin/detay/364400/application-of-ccme-wqi-to-assess-drinking-water-quality-under-turkish-national-legislations-lake-aygirhttps://hdl.handle.net/20.500.14720/18631In this study, different guidelines have been determined in many legislations for the evaluation of drinking water of Lake Aygır in Bitlis.In monitoring water quality, CWQI was chosen as a model. In this model, the guideline values in Turkish national legislation, whichdetermine the quality of drinking water, are used. Selected legislations: \"Regulation on Water for Human Consumption\", \"Water-Waterfor Human Consumption\", \"Regulation on Surface Water Quality Management\", \"Regulation on Quality and Purification of DrinkingWater Supply Water\" and their index values are 86.21, 86.23, 88.88 and 84.71 respectively. ${CWQI}_{ASQ-Y}$ has been determined as 72.48and ${CWQI}_{ASQ-M}$ has been determined as 81.75 within the “Regulation on the Amendment of the Surface Water Quality Regulation”.Lake Aygır waters are classified in medium quality according to ${CWQI}_{ASQ-Y}$ and in good quality according to all other guidelines.eninfo:eu-repo/semantics/openAccessSu KaynaklarıHalk Ve Çevre SağlığıÇevre BilimleriÇevre MühendisliğiArticle019N/AN/A836842364400