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Before the Romans, who had invented techniques for collecting, storing and channeling water?
Earlier Mediterranean people
Where did people in Pompeii get their water from?
wells and cisterns (public and private)
Why did Rome need more water that wells and cisterns could provide?
Because of its huge population (reaching 1 million at its peak)
What were dug first when building the aqueduct system?
A series of shafts at intervals of around 230 feet (~70 meters)
What could be used as materials for the lining of the tunnel walls?
stone blocks, bricks, concrete
Why did the route have to be gently slope?
For gravity to do its work and carry the water to the destinations
What happened when the engineers had to cross a valley?
They built tall archways on the ground.
How many aqueduct systems did Rome have?
11
How much water did Rome's aqueduct systems deliver to the city per day?
1.5 million cubic yards (~1.15 cubic meters)
Where did Rome's waste water go?
Into the Tiber River
When did the aqueducts get finished?
Year 152
What did they do to keep water in the aqueducts clean?
The channel was covered and tanks were placed along the route to capture impurities.
How were people charged for the water use from the aqueducts?
By the diameter of their access pipes.
What was used to stop people installing larger pipes that they claimed?
A sleeved water pipe called the calix was invented.
