What are the common issues that can arise with water mains pipes and how can they be prevented or repaired effectively?

Common issues with water mains pipes include leaks, corrosion, and blockages. To prevent these issues, regular inspections and maintenance are essential. Repairing water mains pipes effectively involves identifying the problem early, using appropriate materials and techniques, and ensuring proper installation. In some cases, replacement of the damaged section may be necessary to prevent further issues.