What is the typical lifespan of cast iron water pipes in a distribution system?

The typical lifespan of cast iron water pipes in a distribution system is generally accepted to be between 50 to 100 years. This durability is attributed to the material properties of cast iron, which is known for its strength and resistance to many forms of corrosion and environment-related degradation. Over time, these pipes have been found to withstand the pressures and conditions common in water distribution systems. Proper installation and maintenance can further extend their lifespan, making cast iron a reliable choice for long-term infrastructure. While some other materials may have shorter lifespans or may be more susceptible to corrosion, cast iron has historically demonstrated a robust performance over extended periods.