![]() ![]() In modern-day India, Dholavira had an intricate water-management system with 16 reservoirs and dams. Egyptians also built dams, such as Sadd-el-Kafara Dam for flood control. ![]() The earliest known dam is the Jawa Dam in Jordan, dating to 3,000 BC. The word dam can be traced back to Middle English, and before that, from Middle Dutch, as seen in the names of many old cities, such as Amsterdam and Rotterdam.Īncient dams were built in Mesopotamia and the Middle East for water control. 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. A dam can also be used to collect or store water which can be evenly distributed between locations. Hydropower is often used in conjunction with dams to generate electricity. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. ![]() The Edersee Dam in Hesse, Germany Small dam near Groningen, NetherlandsĪ dam is a barrier that stops or restricts the flow of surface water or underground streams. Barrier that stops or restricts the flow of surface or underground streams ![]()
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