The Water Corporation are proposing to construct a new 12.5 km pressured wastewater pipeline, primarily along Gnangara Road, from the Barrambie Way Sewerage Pumping Station in Ellenbrook to the Gnangara Branch Sewer in Wangara.
The total disturbance area for the proposal is 30 ha, with a total clearing of no more than 0.3 ha of native vegetation.