How long does a well pump last, and how do you extend it?
Maintained lasts 18 years, left alone about 12. That gap is yours to keep.
A well pump typically lasts about 12 to 18 years. Correct sizing, a healthy pressure tank, and good water chemistry are what get you to the top of the range.
Pros who do this work near you
Local pros in St. Johns County who service well pump. Free to browse.
Two lifespans
When the pump or pressure tank fails you lose water entirely, and short-cycling burns out the motor with little warning.
Overview
A well pump is out of sight, so it is easy to forget until it fails. Most early failures come from a waterlogged pressure tank that makes the pump cycle constantly, not from the pump itself. Fix the tank and the pump lasts.
The maintenance that buys you the years
- Check the pressure tank air chargeHigh impactYearly
A waterlogged tank makes the pump short cycle, which is what usually kills it.
- Test the waterHigh impactYearly
Sand, iron, and bacteria wear the pump and screens fast.
- Do not run the well dryHigh impactAlways
Even a short dry run can burn the pump motor.
- Have the well and pump inspectedMedium impactEvery few years
Catches sanding, low output, or a failing check valve early.
Signs it is failing
- The pump runs constantly or short cycles
- Fluctuating water pressure
- Sputtering or air at the tap
- Discolored or sandy water
- A tripped breaker at the pump
Repair or replace
Check valves, pressure switches, and tanks are worth replacing on their own. A submersible pump past 12 to 15 years with a failed motor usually means replace.
The facts
Many rural St. Johns County homes are on well water. Sand and iron are common here, so an annual water test and a healthy pressure tank make a real difference in pump life.
FAQ
About 12 to 18 years, longer with a healthy pressure tank and good water chemistry.
Sources
Sources are general public references. Verify specifics for your model.
Make this one last longer
Book a pro who does this work, or add this well pump to your free home record and get reminders when it needs service.
Keep going
Lifespans and maintenance guidance are general estimates and vary by product, use, and climate. Always follow your manufacturer's instructions.