INDIAN GEOGRAPHY

Detailed explanation-1: -The people of the Indus Valley civilization invented new water supply and sanitation devices that were the first of their kind. They included piping and a complex sewage system. Tunnels under Mohenjo-Daro carried the city’s waste to a nearby estuary.

Detailed explanation-2: -They were first used around the 26th century BC in the Indus Valley Civilization, where the cities of Harappa and Mohenjo-daro had a flush toilet in almost every house and even had sophisticated sewage systems.

Detailed explanation-3: -In 1826, Isaiah Rogers, an architect, designed the indoor plumbing system for his hotel, The Tremont Hotel in Boston.

Detailed explanation-4: -All the streets and lanes across neighbourhoods in Mohenjo-daro had drains. In addition there was also provision for managing wastewater inside the houses with vertical pipes in the walls that led to chutes opening on to the street, as well as drains from bathing floors that flowed towards the street drains.

Detailed explanation-5: -Flush Toilet: Mohenjo-Daro circa 2800 BC is cited as having some of the most advanced, with toilets built into outer walls of homes. These toilets were Western-style, albeit a primitive form, with vertical chutes, via which waste was disposed of into cesspits or street drains.