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3
Selecting the Correct Pump
Before you remove and reinstall your submersible well pump, let’s review
your well condition and the pumps capabilities.
WELL LOG INFORMATION
The driller that drilled your well should have given you a ‘well log’
summarizing the:
A. Depth that the well was drilled, ie 170 ft. from the surface.
B. Depth to what level the water rose in well, ie 130 ft. from the
surface
C. Depth to what level the water dropped to with the test pump
pumping in your well, ie dropped 20’ to 150’ from the surface
when pumping continuously
D. The gallons per minute your pump pumped, ie 10 GPM
In some counties this information is recorded at the health oce or other
oces of the county and/or the driller may have retained the information in
the driller’s le.
You need a copy of the well log or this information from the well log.
If you can not nd the well log, you will need to drop a weighted string in
the well to:
A. Record the depth when it hits the bottom of the well.
B. The depth at which water is standing in the well, ie the length of
string from the weighted end of the string that is wet.
NOTE, your pump needs to be installed at minimum 5’ above the bottom of
the well and 15-20’ below the surface of the water column in the well.
STOP
Before you start
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