Which type of well usually requires less mechanical equipment in its construction?

A dug well typically requires less mechanical equipment in its construction compared to other types of wells. Dug wells are traditionally excavated with manual tools or simple machinery, making them accessible for construction with minimal specialized equipment. This method is more straightforward because it involves digging a hole in the ground to reach groundwater, which can often be accomplished with shovels or backhoes.

In contrast, drilled wells require more complex equipment, such as rotary drills or augers, to reach deeper aquifers, which adds to both the cost and complexity of the construction process. Spring wells also necessitate careful consideration of topography and may involve significant additional construction to channel water, while specific purpose wells can vary greatly in their requirements depending on their intended use, often necessitating specialized machinery. Thus, the manual methods and simpler equipment used for dug wells make them less mechanically intensive to construct.