Compare the above systems with the probable systems in hilly/ mountainous areas or plains or plateau regions.

Answer :

Drinking water system in hilly areas:In this system, the water flowing through falls, comes to villages located in lower regions through small human made drains also the water is brought down to the lower areas of hills through bamboo drains.
Drinking water system in plains:small sources are made in various regions like Jhalaras were made in Rajasthan and Gujarat, essentially meant for community use and for religious rites.Also the use of dams is done in many areas.

Drinking water system in plateau regions:Dams or diversion which were built across rivers for the supply of water.In some regions, small pits were dug to collect water.

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