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A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage .
They included drainage channels, rainwater harvesting, and street ducts. Sewage was disposed of through underground drains built with precisely laid bricks, and a sophisticated water management system with numerous reservoirs was established. In the drainage systems, drains from houses were connected to wider public drain laid along the main ...
The source of the aquifer is the Georgian Bay, [6] approximately 200 kilometres (120 mi) away. In 2003 it was discovered that the southern section of the Laurentian aquifer reaches under High Park in Toronto, Ontario, Canada. [6] This is believed to be where the Laurentian River System drains into Lake Ontario.
Drainage systems evolved slowly and began primarily as a means to drain marshes and storm runoff. The sewers were mainly for the removal of surface drainage and underground water. [ 1 ] The sewage system as a whole did not dramatically improve until the arrival of the Cloaca Maxima , an open channel that was later covered, and one of the best ...
A subterranean river in the Cross Cave system of Slovenia. (Scale shown by people in photograph.) A subterranean river (also known as an underground river) is a river or watercourse that runs wholly or partly beneath the ground, one where the riverbed does not represent the surface of the Earth. [1]
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He and his colleagues, including William Haywood, designed an extensive underground sewerage system that diverted waste to the Thames Estuary, downstream of the main centre of population. Six main interceptor sewers, totalling almost 160 km (100 miles) in length, were constructed, some incorporating stretches of London's "lost" rivers .
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