Discover the pros and cons of three of the most common piping materials used by municipalities. Ductile iron, PVC, and HDPE each have unique characteristics that make them suitable for different applications. While ductile iron was once the go-to for water and sewage, many utilities are now opting for more durable and noncorrosive materials like high-density polyethylene. Explore the differences between these materials, including service life, maintenance requirements, and cost. Plus, learn why HDPE is gaining popularity for its leak-free, corrosion-resistant, and flexible benefits.