Like many areas of the central Iranian city of Nain in terms of climate and desert location, the water requirement of water reservoirs are provided.

The saline and unusable because the water aqueducts.

The people in the most remote areas of his times thinking and initiative to tame nature incompatible means that water is one of them.

Cisterns for building elements and components similar to each other. They all have a source or water tank, with a domed roof that two air deflector air tank and keep the water cool.

The best known reservoir in Nain are:
Khani pure water: The water storage and water storage facilities in the neighborhood of forty girls Khan (Twin) related to the Safavid era was.