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Background: Corrosion and scaling are major problems in the drinking water facilities causing problems such as water loss, recued life of facilities, pipe punctures, clogging of pipes, and pressure loss in drinking water distribution system. This study aims to determine the corrosion and scaling potential in drinking water distribution system of Meshginshahr, Ardebil, Iran. Methods: This descriptive cross-sectional study was conducted during the two seasons (summer and winter) in 2019. A total of 20 water samples, which were obtained by averaging 100 samples, were analyzed to determine the corrosion and scaling potential using Langelier Saturation Index and Ryznar Stability Index. Results: The results showed that the annual average of LSI and RSI were -1.34 and 10.03, respectively, indicating that the drinking water of Meshginshahr was corrosive and scale-forming. Conclusion: Therefore, it is necessary to constantly evaluate the drinking water supply resources of this city and try to adjust the pH of water and control other factors affecting corrosion, including concentrations of chloride, dissolved oxygen, and sulfate.

journal of advances in environmental health research

Scaling and Corrosion Potential in Drinking Water Distribution Systems of Meshginshahr City, Iran Using Langelier Saturation Index and Ryznar Stability Index