Słowa kluczowe: plastic waste, energy, prestressed tanks, geodetic monitoring of structures, spatiotemporal hydrochemical analysis, surface water quality, water system, water supply system, water demand, underground base outflow, hydraulic flownet, riverbed drainage, sludge processing, water treatment, sludge disposal, sustainable development, cytostatic drugs, cyclophosphamide, ifosfamide, 5-fluorouracil, wastewater, surface water, alkaline wastewater, groundwater quality protection