The Rockingham Lateral Pipeline is a pipeline owned by APT Parmelia.

The lateral pipeline intersects with the Parmelia Gas Pipeline mainline and is a single pipeline. The lateral was built in 1971. It is a 4" (111com) diameter pipeline that is 1.2km long and has an operating pressure of 5.61Mpa MAOP. The Rockingham Pipeline is a non-scheme pipeline and is subject to the access regime for non-scheme pipelines under Chapter 6A of the NGL and Part 23 of the NGR. On 8 May 2018, the ERA granted a five-year Category 2 exemption under Part 23 of the NGR for the Rockingham Lateral Pipeline.