How long has HDPE been used in sewer and water applications?
Polyethylene has been used for sewer force mains, gravity flow sewers, and pressure water Main applications for approximately 50 years. After many years of field proven performance, it became a standardized material and product. The first American Water Works Association (AWWA) Standard for HDPE Pipe, C901, HDPE Pipe and Tubing inch through 3 inch was adopted in 1978. AWWA Standard for larger pipe, C906, HDPE Pipe and Fittings, 4 inch through 63 inch, was adopted in 1990.
