Well Systems

Well Systems

Water well pumps and pumping systems come in a wide variety of sizes and configurations.  Well contractors consider several factors when installing pump systems or making water well pump repairs.   For new pump installations your well contractor will need to consider how many gallons per minute (GPM) is required to meet the demand or usage. How large of a home will it be feeding and is there going to be an irrigation system? Is the customer looking to have constant or consistent water pressure, comparable to town water pressure? The contractor will need to know the depth of the well and the static water level.  When installing a water well pump contractors need to match the capacity of the well with the output of the pump.

Water Well Drilling Rigs Worcester

Having conducted an accurate well yield test will be necessary. A well yield test report will have all the important information regarding the well depth, the static water level, and the well’s GPM. calculating the amount of water a well pump will need to deliver, one key factor is knowing the total well depth.  Average wells are 6” in diameter, a 6” well can hold approximately 1.5 gallons per foot. The Static Water Level (SWL) is where the water level in the well raises to when the well is completely full. This number can vary dramatically to where it can be anywhere from over 100 Ft. down from the top or up to where the well will naturally flow over the top. For repairing and/or replacing a well pump, the water pressure tank size and wiring size are very important aspects to consider.  A properly sized well pump will continually deliver water without running the well down. Will be able to have longevity because the pressure tank is of proper size for the output of the pump and the wiring is compatible for the pump motor.
Well pumps can only put out the amount of flow that they are manufactured to pump.  The pump is a mechanical device that is made to put out a certain amount of water at a certain footage elevation.  This is called the pump curve and the pump manufacturers supply the pump curve for every pump they make.  As a contractor we can look up a pump curve and determine which pump size is appropriate for the application at hand. 

On average submersible well pumps last anywhere from 15-18 years.  There are instances where less perfect well conditions will shorten the anticipated pump life span and the more perfect well conditions will also extend the life of a pump.  Some examples are water quality; water production; usage and of course regular proper maintenance of the system.

Water Storage Tanks
Expansion tanks are necessary for the life of the pump.  Though tanks have shorter life expectancy of 12-15 years.  The more vital aspect is they need regular maintenance checkups to insure the proper air charge is being maintained.  Tanks come in a wide range of sizes from small as 20 gallons to as large as 120 gallons.  Contractors use a number of variables when sizing a tank such as; the size of the pump for proper run time; the application or usage of the well and of course the tank location and available space. 
When the pumping system is properly sized for the well and application and is accurately calibrated well owners can expect to receive decades of service from their well pumping service. 

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