Pipi made of polvethylene is a cost effective solution for a broad range of piping problems in municipal, industrial. marine,mining, landifill, duct and agricultural applications. It has been tested and proven effective for above ground. surface, buried, sliplined, floating, and sub-surface marine applications. High-density polyethylene pipe (HDPE) can carry potable water, wastewater, slurrles, chemicals, hazardisous wastes, and compressed gases. Polyethylene is strong, extremely tough and very durable.