Category:Upper Canal System

**Upper Canal System**
	heritage-listed operational gravity-fed aqueduct that supplies some of the potable water for Sydney, in New South Wales, Australia
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Instance of	canal;
Part of	Upper Nepean Scheme;
Location	Middleton Grange, City of Liverpool, New South Wales, AUS
Heritage designation	Heritage Act — State Heritage Register (1373); Heritage Act - s.170 NSW State agency heritage register; Local Environmental Plan;
	33° 54′ 56″ S, 150° 49′ 43″ E
Authority file
	Q43401254; NSW Heritage database ID: 5051481
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English: Upper Canal System , also called the Southern Railway Aqueduct and the Cataract Tunnel, is a heritage-listedoperational gravity-fed aqueduct that supplies some of the potable water for Sydney, in New South Wales, Australia. The aqueduct comprises 54 kilometres (34 mi) of open canals, tunnels, and closed pipelines that connect the Upper Nepean Scheme with the Prospect Reservoir. The aqueduct is managed by the Sydney Catchment Authority on behalf of WaterNSW, an agency of the Government of New South Wales.