Mar 18, 2026 · dam, structure built across a stream, a river, or an estuary to retain water. Dams are built to provide water for human consumption, for irrigating arid and semiarid lands, or for use in industrial …

Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions.

Select an inventory below to get started. The National Inventory of Dams includes more than 90,000 dams in the U.S. The Low-Head Dam Inventory includes more than 10,000 low-head dams in the...

The database contains information about a dam’s location, type, size, purpose, uses and benefits, date of last inspection, other structural and geographical information and much more.

Jun 21, 2024 · A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.

View the grade report for Dam Infrastructure in the US from ASCE's 2025 Infrastructure Report Card. See conditions, safety and resilience, and more.

Water is one of our most precious resources; our lives depend on it. Throughout the history of humankind, people have built dams to maximize use of this vital resource. Dams provide a life …

Free topo maps of Dams in Florida, along with GPS coordinates, elevation, photos & more.

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A dam is a barrier across flowing water that obstructs, directs, or slows the flow, often creating a reservoir, lake, or impoundment. In Australian and South African English, the word dam may refer to …