A "Deep Well" is a type of water well that is drilled deep into the ground to access underground water sources, often referred to as aquifers. These wells can reach depths of hundreds or even thousands of feet, depending on the geological conditions and the location. Deep wells are commonly used for agricultural, industrial, and residential water supply. The construction of a deep well typically involves drilling equipment and specialized techniques to ensure stability and prevent contamination. Water from deep wells is often cleaner and more reliable than surface water, making it a vital resource in areas where surface water is scarce or polluted.