How Long Does a Well Pump Last?

The typical range, by pump type

Submersible pumps (the kind sitting down inside the well itself) typically last 8-15 years. Being fully submerged actually works in their favor — they're insulated from weather and temperature swings that wear down above-ground equipment.

Jet pumps (mounted above ground, usually in a well house or basement) typically last a shorter 8-10 years. Sitting exposed to heat, cold, and humidity accelerates wear on the motor and seals compared to a submersible pump's protected environment.

What actually shortens a pump's life

• Sandy or sediment-heavy water — grit steadily erodes the impeller, the part that physically moves water through the pump. This is the single biggest factor in premature pump failure.
• Short-cycling — when a pressure tank's bladder fails, the pump ends up turning on and off every 30-60 seconds instead of running normal cycles. That constant starting and stopping is hard on the motor and can cut years off its life. See our pressure tank page if this sounds familiar.
• Wrong pump size for the well — an oversized pump can draw in sediment it shouldn't; an undersized one works harder than it should to keep up with household demand.
• Low water table — during drought conditions, a pump can end up running dry or drawing air, which causes overheating and accelerated wear.

What actually extends it

Keeping the pressure tank in good working order is the highest-leverage thing a well owner can do — it directly prevents the short-cycling that's so hard on the motor. Beyond that, periodic well cleaning to reduce sediment intake (see our well cleaning page) and catching small issues early, before they force the pump to compensate for a failing component elsewhere in the system, both make a measurable difference.

Is your pump actually due?

Age alone isn't the whole story. A 12-year-old submersible pump showing no symptoms may have years left. A 6-year-old pump running on consistently sandy water, or one that's already been through a couple of repairs, may be closer to the end than the calendar suggests. If you're not sure which situation you're in, a diagnostic visit settles it — see our repair page for what that looks like, or use the symptom tool on our home page.