Analysis of natural waters in the municipality of sliven

The quality of natural waters and their protection from pollution is crucial for the health of people and ecosystems. Water cleanliness in Sliven is particularly relevant today, due to the presence of numerous sources of pollutants in and around the city. This study focuses on the chemical analysis of river waters in the Sliven area.The theoretical part of the research raise questions about the chemical composition and the presence of specific ions in the natural waters examined in the city. Are these waters clean enough for daily human use, and could they pose health risks such as metabolic alkalosis or acidosis? The study was conducted using descriptive and comparative methods, along with analytical and synthetic approaches. The experiment established that some rivers contain specific types of the studied ions and are classified as so-called “hard waters.”