High-density polyethylene (HDPE) pipes, typically used in farming practices, are an exception to this method of testing because they swell under test pressure, which causes the pressure to drop.

The AWWA C901-25 Standard detailing pressure pipe for use in potable water, reclaimed water and wastewater service lines includes a fittings section, and an overview statement affirming the use of PE ...

Georgia is inching toward joining a growing number of states permitting the use of larger-diameter corrugated high density polyethylene pipe products for municipal infrastructure.