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Sunset Reservoir

Reservoir in San Francisco, CA

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Sunset Reservoir is one of three terminal reservoirs in the Regional Water System in San Francisco, California. The reservoir, the city's largest, is located in the Sunset District at 24th Avenue and Ortega Street, and is owned and maintained by the San Francisco Public Utilities Commission. Completed in 1960, the subterranean reservoir was constructed as an 11-acre (4.5 ha), 1,000 by 500 feet (300 m × 150 m), concrete basin, now containing 720 floor-to-ceiling columns. With its maximum depth of 33 ft (10 m), the reservoir's capacity is 270 acre·ft (330,000 m3) with average daily flows of 46 acre feet (57,000 m3) through 42-inch (1.1 m) inlet/outlet pipes.

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Reservoir