Water well pumps are necessary to draw water from underground wells for use in homes and other structures. Different designs are available, including jet and submersible pumps. Clogging and priming are common issues that need to be considered in their design and installation. The pump should not exceed the power of the well and may need protection in extremely cold climates. A well specialist can install, maintain, and repair water well pump systems.
A water well pump is a device used to draw water from a well for delivery to a home or other structure. Pumps are necessary in underground wells because the water cannot rise to the surface by itself. Different designs are available for various applications, including solar pumps and wind pumps for off-grid water systems. A well specialist can install, maintain, and repair water well pump systems.
Two common designs of water well pumps are the jet pump and the submersible pump. Both involve extending a line into the well and using an electric motor to pull water to the surface when required. Some models fill a reserve tank with water so there’s always water available, while others deliver water on demand. When people in a facility use water at taps and other places, they run the well pump, bringing in more water for their use.
There are some specific needs of water well pumps that need to be considered in their design and installation. One is clogged. Wells can have debris, especially in the dry season when water is near its low point, and some are also very rich in minerals that can be deposited on pump components. This can clog the pump head, slowing the water flow and possibly stopping it altogether. The pumping mechanism may have a cage or screen to limit blockages.
Another problem is priming. The water well pump is designed to work with water in the line. When pockets of air develop, as might happen if the power goes out and someone flushes the line, the pump can’t draw water. The operator must manually prime the line to refill it with water so that the pump can start running. Some water well systems shut off automatically if the top of the pump rises above the water or the power goes out, to keep the line primed until the problem can be fixed.
The water well pump is usually small and cannot exceed the power of the well, otherwise it would quickly drain the well in daily operation. It can be housed in a pump room separate from the building. In extremely cold climates, it may be necessary to wrap the pump and hoses to prevent freezing in the winter. The pump can also directly feed a water tank for fire and emergency purposes.
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