Underground HDPE (High-Density Polyethylene) pipes are widely used for water supply, drainage, cable protection, and industrial applications due to their durability, flexibility, and corrosion resistance. They are especially popular in infrastructure projects across India. The Underground HDPE Pipe system is a sweet water and wastewater piping solution that uses high-density polyethylene (HDPE) pipe to transport water from the intake point to the distribution reservoir. HDPE pipes are latex-based, flexible, corrosion-resistant, and lightweight, making them ideal for underground applications. The system can cover up to 160 km of pipeline infrastructure and can accommodate water flow rates up to 1.5 m³/sec. The HDPE pipe system is known for its durability, low maintenance, and energy-efficient design, which makes it a popular choice for water supply systems worldwide.