This article focuses on water quality and its pollution sources of Kyiv Reservoir. The findings reveal the main pathways of chemical elements to enter the water body (including biogenic elements). Data on the state of water according to indicators are given by year (20162021). Based on literature research, the reservoir has considerable concentrations of biogenic substances (nitrogen, phosphorus and others). This causes organic pollution. These substances can accumulate in the reservoir. Natural factors influencing this accumulation are temperature, wind direction, intensity of currents reservoirs. Anthropogenic factors are pollution sources such as agricultural and industrial enterprises, constructions on the banks of the reservoir, discharges of household waste from residential and communal enterprises. The most important anthropogenic sources are enterprises "Agromas", and "Chipsy Lux", hydroelectric power plants, unauthorized landfills that are the result of recreation, domestic waste from communal farms and the private sector, plowing of agricultural lands. Socio-economic factors also play a role. This includes the development of the population, the level of innovative technologies to treat wastewater, political conditions
Kyiv Reservoir; hydrogeological conditions; pollution sources; anthropogenic load on rivers
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