This paper includes a theoretical section that focuses on the importance of water in industry, with special emphasis on its properties and applications in various industrial processes. The concepts related to wastewater are thoroughly analyzed, including their origin, characteristics, and disposal methods in industrial environments. In the section dedicated to corrosion, different types and forms of corrosion processes are presented, with a focus on chemical and electrochemical corrosion. The corrosive properties of water, mechanisms of their action, and strategies for preventing and mitigating the impact of corrosion on industrial systems are explained. The paper also describes corrosion protection methods, including the use of various protective coatings, electrochemical techniques, selection of more resistant materials, and the application of construction and technological solutions to reduce the risk of damage. In addition, the basic water treatment processes such as demineralization, decarbonization, and water softening are explained, as these methods are the most commonly used in industry due to their effectiveness in improving water quality. Finally, the paper discusses the processes of wastewater generation, proper disposal methods, and the potential environmental impact if appropriate treatment is not carried out