Birrega Main Drain

Shire of Serpentine-Jarrahdale, Australia

The Birrega Main Drain is a drainage canal in the southern suburbs of Perth, Western Australia. Construction of the canal commenced in the 1920s. The canal stretches from Darling Downs, where it starts just west of the South Western Highway, to Baldivis, where it discharges into the Serpentine River. A second major drain, the Oaklands Main Drain, flows into the Birrega Main Drain, dewatering an area south-east of the latter while a number of smaller rural drains in turn flow into both. The two main drains have a combined catchment area of 185 square kilometres (71 mi2). Like the Peel Main Drain, which also discharged into the Serpentine River, the Birrega Main Drain was part of the Peel Estate.

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Canal data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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