WA Soils

The Swan Coastal Plain

The Swan Coastal Plain stretches from Gingin Brook in the north to
Dunsborough in the south.The eastern boundary being the Darling Scarp and
Gingin Scarp. Most of the Perth metropolitan area is located on the Swan
Coastal Plain.

Quindalup soils are the white limey sands which occur near the coast, such
as those found at Rockingham, Scarborough and Quinns Beach. Quindalup
soils form the most recent dunes along the coastline.

Cottesloe soils are brown or yellow sand with limestone close to the surface,
often breaking through to form an outcrop. Fremantle and Neerabup are
examples of where this occurs.

Karrakatta soils are yellow sands. Kings Park and Tuart Hill are examples of
where you can see this soil type.

Bassendean soils are pale grey.

Herdsman soil is found around a series of wetlands and swamps within the
Cottesloe, Karrakatta and Bassendean soil types. They are found in low –lying
areas where the groundwater is close to the surface, even breaking through in
places such as the lakes in Yanchep National Park, Lake Joondalup and Star
Swamp in the suburb of North Beach.

Guildford soils are found in flat terrain and comprise sandy loams over a
layer of clay. Kenwick and Middle Swan provide examples.

Beermullah soils are comprised of sand, which is occasionally saline, and
loam over clay, which become waterlogged in winter. They are typically found
in flat terrain.

Information adapted from "The soil types and plant communities of the Perth Metropolitan Region.

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