How do you maintain a well pump?
Updated August 2026
A well pump is mostly maintained by listening: check the pressure gauge and listen for rapid on-off cycling every month, and confirm the pressure tank's air charge once a year. The pump itself is a sealed unit hundreds of feet down that you cannot service, so the whole game is protecting it, and the tank is what protects it. Sputtering, spitting taps mean the pump is pulling air or the tank is waterlogged. A submersible pump lasts 8 to 15 years and runs $1,000 to $2,500 to replace.
| Task | Interval | Effort |
|---|---|---|
| Read the pressure gauge; note the cut-in and cut-out points | Monthly | 2 min · DIY |
| Listen for the pump snapping on and off rapidly | Monthly | 1 min · DIY |
| Task | Interval | Effort |
|---|---|---|
| Check the pressure tank air charge | Yearly | 20 min · DIY |
| Clean or inspect the pressure switch contacts | Yearly | 10 min · DIY |
| Test the water for bacteria and nitrates | Yearly | $20–100 |
| Task | Interval | Effort |
|---|---|---|
| Plan for a submersible pump replacement | 8–15 years | $1,000–2,500 pro |
What neglect costs
Short-cycling is the killer, and it almost always traces back to the pressure tank, not the pump. When the tank loses its air charge, the pump has no reserve to draw on, so it fires every few seconds instead of running in steady cycles. Each start stresses the motor and the controls; a pump rated for years of normal starts can burn through that budget in weeks of cycling. The pump has no local repair, it is a full pull-and-replace at $1,000 to $2,500, so a $30 can of compressed air in the tank is the cheapest pump insurance there is. See what neglecting a well pump costs.
Leave these to a pro
The monthly listen and the yearly tank and switch checks are DIY. Pulling a submersible pump is not: it takes a hoist or truck to lift hundreds of feet of pipe and wire, so replacement is always a well-contractor job at $1,000 to $2,500 for a typical residential depth, more for very deep wells. Call a pro sooner if the pump runs constantly, will not build pressure, or trips its breaker, and do not keep resetting a breaker that trips, since that usually means the motor is failing. For the replacement timeline, see how long a well pump lasts.
This whole checklist ships as reminders in OnOtto: every task above, on the right schedule for your home, snooze-proof.
Load this checklist as remindersFrequently asked questions
How do I know if my well pump is failing?
Watch for pressure that will not build, air spitting and sputtering from the taps, muddy or sandy water, a pump that runs nonstop or short-cycles, and a breaker that trips. A rising electric bill can also flag a pump working too hard. Rule out the pressure tank first, since a waterlogged tank mimics several of these symptoms. The well pump test page walks through the checks.
How long does a well pump last?
A submersible pump typically lasts 8 to 15 years, a jet pump around 10. Water quality drives it: sand and heavy sediment wear the impellers, and frequent short-cycling from a bad tank cuts life dramatically. A pump babied by a healthy pressure tank reaches the top of that range; one fighting a waterlogged tank rarely makes it halfway. See how long a well pump lasts for the full breakdown.
Why is my well water sputtering from the faucet?
Air in the lines. The usual causes are a waterlogged pressure tank that has lost its cushion, a dropping water table letting the pump draw air, or a leak on the suction side of a jet pump. Start at the tank, since a failed bladder is the cheapest and most common cause. If the tank checks out, call a well pro before the pump runs dry, which can destroy it in short order.
Can I service a well pump myself?
Not the pump. Everything you can safely reach is above ground: the pressure tank, the pressure switch, the gauge, and the wiring at the switch. Those you can inspect and adjust. The pump itself sits at the bottom of the well casing and needs a contractor's rig to pull, so any pump problem is a service call. Put your DIY energy into the tank, since that is what usually kills the pump anyway. See when to replace a well pump.