Where are deep-well pumps typically installed?

Deep-well pumps are commonly installed above the ground surface, with the pump mechanism itself situated within a well casing deep underground. This design allows the pump to draw water from significant depths while enabling easy access for maintenance and monitoring.

Well pumps are typically positioned above ground to protect them from flooding or potential damage from natural elements. The primary components of a deep-well pump often include a motor that is located above ground, with a long shaft extending down to the pump located deeper in the well. This setup not only facilitates ease of access but also contributes to operational efficiency, as it allows for the motor to be serviced without needing to deal with the well itself.

In contrast, the other options involve configurations that could either be impractical or unsuitable for deep-well pumping systems, such as being completely submerged underwater or placed in a pressurized tank, which do not align with standard deep-well system designs.