South End Reservoir

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Coordinates: 1°20′40″N 103°58′46″E / 1.34444°N 103.97944°E / 1.34444; 103.97944 The South End Reservoir is a small service reservoir located to the south of Singapore Changi Airport in Singapore. Rainfall from the runways and surrounding green areas is collected in the reservoir and used for fire-fighting drills and toilet flushing. The reservoir supplies 28–33% of the airport's water and saves the airport around S$390,000 per year. It is linked to the Changi Creek Reservoir to balance flows during incoming tides and high rainfall.[1]


  1. ^ BlueDrop Series Rain water harvesting and Utilisation (Book 3: Project Managers and Implementing Agencies). UN-HABITAT. 2005. p. 50. ISBN 92-1-131827-0.