Clay vs PVC Sewer Pipe: Which Lasts Longer?

Sewer pipes don’t just have to survive water and waste—they also have to endure soil movement, traffic loads, root intrusion, corrosion, and the stresses of trenching and backfill. So when people ask whether clay or PVC sewer pipe lasts longer, the most honest answer is: both can last a long time, but in different ways.

Below is how durability typically compares, what most influences pipe lifespan, and how to choose a pipe material that fits your system and conditions.