Mezhova Lidiya A. RussiaVoronezhVoronezh State Pedagogical University, 86 Lenina St., Voronezh 394043, Russialidiya09@rambler.ru Author's articles Assessment of technogenic load of Nizhny Tagil city pond and environmental risk management based on multifractal dynamics Geological assessing artificial water bodies of the influence zone of metallurgical plants