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water supply
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irrigation sprinklers water stress projections
Searching for sustainable water supplies in Namibia
Explore the water supply and sanitary facilities of ancient Ostia, Italy
For Students
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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
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Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.
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irrigation sprinklers
irrigation sprinklers Lettuce field with irrigation sprinklers.

water supply

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water supply, available water provided to fulfill a particular need. If the need is domestic, industrial, or agricultural, the water must fulfill both quality and quantity requirements. Water supplies can be obtained by numerous types of engineering projects, such as wells, dams, or reservoirs. See water-supply system.

This article was most recently revised and updated by Robert Curley.
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