KelleyHarteraqueducts



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Aqueducts- The great and highly advanced Roman waterway system known as the Aqueducts, are among the greatest achievements in the ancient world. The running water, indoor plumbing and sewer system carrying away disease from the population within the Empire wasn't surpassed in capability until very modern times. The Aqueducts, being the most visible and glorious piece of the ancient water system, stand as a testament to Roman engineering. Some of these ancient structures are still in use today in various capacities. The aqueducts were built from a combination of stone, brick and the special volcanic cement pozzuolana. While their visible remains leave a definite impression, the great bulk of the Roman waterway system ran below ground. Channels bored through rock, or dug below the surface carried water where it was convenient and possible. Of the approximately 260 miles in the aqueduct system, only 30 miles consisted of the visible, mammoth arched structures. The aqueducts were built only to carry the flow of water in areas where digging, burrowing, or surface grades presented problems, such as valleys. The entire system relied upon various gradients and the use of gravity to maintain a continuous flow; and the engineering at the time was remarkable. Without the aqueducts it would've been impossible to maintain the flow of water at the proper grades required. When water reached Rome it flowed into enormous cisterns (castella) maintained on the highest ground. These large reservoirs held the water supply for the city and were connected to a vast network of lead pipes. Everything from public fountains, baths and private villas could tap into the network, sometimes provided a fee was paid. The water system was as politically motivated as any other massive public works project. Providing additional sources of incoming flow, feeding the baths or simply providing water access to more of the populace could grant great prestige. 