How Water Well Pumps Work

Water from the well is not a primary source of water for those people who live in urban environments but for those people who are living in rural and remote areas, using water from the well could be their only option. 13 million people across the United States use private wells as their primary source of water.

The water pump is the heart of the water well system. It is what pumps the water from the underground source to the household.

There are a lot of different pumps in the market and they range in size as well as purpose. We can categorize water well pumps into two different types: submersible pumps and jet pumps. Both of these work as a part of a well pump pressure tank which maintains constant water pressure for your home and it keeps air and water in the plumbing system separated. To force the water upwards, both of them use centrifugal force. They use spinning rotors to create a vacuum that pushes the water through the well casing into the distribution system. The type of pump you will be using depends on the depth of the well and also the amount of water that is required for a specific house.
Jet Pumps

Jet pumps are places above the ground. Jet pumps lift the water from the ground using a suction pipe and that will create a vacuum with an impeller that drives water through a small nozzle. Jet pumps need to be primed with flowing water because they use water to pump water. Jet pumps that go down to a depth of 25 feet are called shallow jet pumps while jet pumps that go down 150 feet are called deep well jet pumps. Wells that are deeper than that require a submersible pump.
Submersible pumps

These type of pumps have a wider range of depth that they can be used in the wells. They can be used in depths as shallow as 25 feet or as deep as 400 feet. As their name says, they are submerged deep in the well under the water. They use most of their energy to push water whereas jet pumps suck water from above.

Submersible pumps are cylindrical and they use the pump motor and series of impellers that drive water up into the drop pipe. Because they are really efficient, durable, and have a huge versatility in the well depth, most modern well systems use them over other types of pumps.
Pressure Tanks

We use pressure tanks to maintain pressure throughout the distribution system and also to store a reserve of water and by doing that we will relieve the pump of continuous usage. Pressure tanks come in different sizes and it ranges from 40 gallons for domestic use and 21,000 gallons and even more for industrial use. Water is pumped in the pressure tank until the air in the tank is compressed to 40 to 60 psi and that way pressure is created. The air compressor takes care of air pressure and makes sure it’s maintained. The air pressure in the tank will force the water out of the tank into the pipes when the valve is opened via a tap.

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