Well Pump Maintenance: What to Watch and When to Call a Pro

Watch for changes in water pressure, pump cycling, and visible equipment condition, and arrange an annual professional well-system review. Your observations help the contractor investigate; they cannot establish which component has failed or whether the water is safe to drink.

The National Ground Water Association recommends having wells evaluated at least annually by a licensed or certified water well systems professional. NGWA maintenance guidance

Handle urgent problems first

If harmful contamination is known or suspected, stop using well water for drinking, cooking, and food preparation. Use bottled water or another safe source for these purposes while getting health-department advice. Boiling can kill germs but does not remove chemical contaminants. CDC treatment guidance

If the well has flooded, stay away from the flooded pump because of electrical hazards. Do not drink or wash with its water. Get a well contractor’s help before restarting the pump, and arrange inspection and testing. EPA flood precautions

Burning odors near controls or repeated breaker trips require professional investigation. Do not open electrical covers or repeatedly reset a tripping breaker. NGWA electrical precautions

Observe the system without taking it apart

Look at accessible equipment from a dry, safe location. Keep covers and the well cap closed. Useful observations include:

• Cracks, corrosion, or visible damage on the casing and cap.
• Water collecting around the wellhead or runoff flowing toward it.
• Drips, rust, or damp areas around exposed piping and the tank.
• Changes in sounds, pressure readings, or apparent pump cycling during ordinary household use.

Keep fuels, pesticides, and other pollutants away from the well. Ask a professional about damaged seals or drainage problems. EPA well-protection guidance · NGWA equipment observations

What to report when something changes

Use this table as a service-call worksheet. Record what happens without trying to reproduce a malfunction repeatedly.

Observation	Details to record	Question for the contractor
Low pressure	One fixture or the whole house; constant or only during simultaneous use; any visible gauge reading	What checks will distinguish a fixture or treatment restriction from a well-system problem?
Rapid on-and-off cycling	When it happens; water being used; approximate timing if readily observable	Can you evaluate the tank, controls, valves, and overall system operation?
No water	When service stopped; whether all fixtures are affected; any outage or visible control message	What should we leave off or avoid using until you arrive?
Pump appears to run continuously	Whether household water use has stopped; sounds and gauge readings	Does the system need to remain out of service pending inspection?
Leaks or corrosion	Location and a photo taken without touching equipment	Does this require immediate attention?

Pressure changes and frequent cycling warrant evaluation; neither identifies a failed pump by itself. NGWA warning signs

What the annual professional visit should cover

Ask whether the visit includes a flow test, visual inspection, valve checks, electrical testing, and water sampling. Request a written report containing findings, recommendations, and test results. These are elements of NGWA’s recommended annual checkup. NGWA annual service scope

Before booking, clarify which equipment the contractor will evaluate and which laboratory analyses are included. A useful request is: “Please document the installed pump, tank, and controls, assess the symptoms in my notes, and explain any recommended work.” Our well inspection guide can help you prepare for the visit.

Pressure-tank precharge belongs to a licensed professional

Precharge is the tank’s air pressure under specified empty-tank conditions. It is different from the operating water pressure shown on the system gauge.

For the WX-101 through WX-350 models covered by Amtrol’s Well-X-Trol installation and operation manual, the documented precharge setting is 2 psi below the pressure-switch cut-in. Its example is 38 psi for a 40/60 switch setting: pump start at 40 psi and stop at 60 psi. The manual specifies an empty tank and power-off conditions for adjustment, and reserves checking, adjusting, and recharging precharge for licensed professionals.

Amtrol also warns against adding pressure to compromised tanks, including tanks with corrosion or lost air. Rapid cycling is a reason for inspection, not permission to add air. Amtrol installation and operation manual

That example is specific to the covered equipment and arrangement. Do not apply it as a universal setting for constant-pressure or variable-frequency-drive systems; have the contractor consult the installed equipment’s instructions.

Schedule water testing separately, including after repairs

A successful mechanical inspection does not establish drinking-water quality. CDC and EPA recommend annual testing for total coliform bacteria, nitrate, total dissolved solids, and pH, with additional tests selected for local risks. Testing is also recommended after well-system repairs or replacement, flooding, nearby disturbances, or changes in taste, color, or smell. CDC testing guidance · EPA testing guidance

Use a state-certified drinking-water laboratory and confirm that its certification covers the requested analyses in your state. Ask the laboratory and contractor to coordinate post-repair sampling instructions and timing. Results cover only the substances tested; a limited panel cannot rule out every contaminant.

Use our well-water testing guide to organize sampling, and state resources to find local guidance. EPA public-system standards may help interpret results as comparison benchmarks, but federal public-water rules do not apply to private wells. EPA results guidance · CDC private-well guidance

Keep a service folder

Save the well log, pump installation record, current equipment manuals, service reports, and laboratory results. Add dated symptom notes and treatment-maintenance records. Follow the installed treatment equipment’s manufacturer instructions instead of assigning every filter the same replacement interval. NGWA recordkeeping and treatment maintenance