Your well pump likely needs to be replaced if you experience no water, severe pressure fluctuations, or a pump that runs constantly. Other warning signs include strange grinding noises, sputtering air from your faucets, or sudden spikes in your energy bills.
Signs of a faulty well pump
Fluctuations in water pressure. Constantly running pump. Sputtering water flow in home. Sediment in water lines.
The average cost to replace a well pump ranges between $𝟏,𝟓𝟎𝟎 and $𝟒,𝟎𝟎𝟎, with most homeowners paying around $𝟐,𝟎𝟎𝟎 to $𝟑,𝟎𝟎𝟎 for equipment and professional installation.
Knowing how many years should a well pump last is important because it can be a signal that it's time for a new piece of equipment. With proper well maintenance, your new well pump can last, on average, 8 to 15 years, though many homeowners report their pumps lasting far longer, often between 20 and 30 years!
Testing a well pump without pulling it involves isolating whether the issue is electrical or mechanical. First, check for tripped breakers and verify the system is receiving the correct voltage at the pressure switch. Next, test the wire resistance with a multimeter and check the amperage using a clamp meter.
Early signs of a failing water pump include visible coolant leaks, a high-pitched whining or grinding noise from the front of the engine, a slow but steady drop in the coolant reservoir, and an engine temperature gauge that occasionally creeps higher than normal.
A 2-gallon-per-minute (GPM) well is considered low-yield. While it falls short of the recommended 5 to 10 GPM for standard households, it can still fully support a home if you manage water usage carefully or install a supplemental storage (cistern) system.
Overheating of the Motor
Cause: Submersible motors rely on the surrounding fluid to dissipate heat. If the pump runs dry or is only partially submerged, it can overheat quickly. Overheating can also occur due to overloading (pumping beyond capacity), a mechanical jam, or electrical issues causing overcurrent.
Replacing a well pump generally takes 2 to 6 hours for a standard job. Shallow wells (under 200 feet) can be completed in 2 to 4 hours, while deep or complex wells (400+ feet) typically take 5 to 8 hours. Complications, such as stuck pipes or corroded wiring, can sometimes extend the project to a full day or require a return visit.
Water pumps on newer vehicles can last over 100,000 miles, while older models typically require replacement between 60,000 and 100,000 miles. Signs of water pump failure include coolant leaks (visible as green puddles), elevated engine temperature readings, grinding noises under the hood, and weep hole leakage.
Problems with these parts can also cause issues that seem like pump failures. Homeowner's insurance can cover well pump repairs, but only if the damage is caused by a specific event like a storm or fire. Unfortunately, normal breakdowns, maintenance issues, and age-related failures won't be covered.
Well Pump Repairs
Often, repair costs are lower than a complete replacement, costing between $250 to $1,100, depending on the problem.
Drilling and installing a complete 200-foot residential well typically costs between $10,000 and $25,000, with most homeowners paying around $12,000 to $15,000 on average. This price includes the physical drilling, casing, pump installation, pressure tank, and local permits.
Hire a plumber when the issue involves in-house plumbing or a shallow well with a surface jet pump. For complex problems, submersible pumps, outdoor well equipment, and specialized testing, a well contractor is the better fit due to equipment, deep-well access, and diagnostics.
For a single level home or a two-story home without water fixtures on the 2nd floor a 30/50 PSI setting may be sufficient. For two or more levels with water fixtures on more than one level you may want to use 40/60 PSI setting. It's easier for a pump to supply the lower pressures and it's less strain on old plumbing.
To troubleshoot a well pump, start by checking the easiest above-ground components. First, reset tripped circuit breakers and verify voltage with a multimeter. Next, inspect and clean the pressure switch and clear its clogged sediment tubes. Finally, test the pressure tank for a ruptured bladder to fix rapid cycling or low pressure.
Well pump installation costs vary greatly based on pump type and depth. You'll pay $300-900 for shallow well jet pumps, $650-1,200 for deep well options, or $700-2,500+ for submersible models. Labor adds another $250-1,500 depending on complexity. Total installation typically ranges from $973 to over $4,000.
For a newly installed well pump, run the water continuously for 1 to 3 hours (or up to 24 hours for stubborn sediment) until it flows perfectly clean, clear, and odorless.
The water pump is in the center and they would have to remove the timing belt to replace the pump, which is typical on most cars. It's no more difficult than jobs you've done before, but a lot more time consuming. Prepare to spend at least a full day on it, possibly a weekend.
To test a submersible well pump, first verify power at the control box and pressure switch. Use a multimeter to measure voltage, resistance (ohms), and amperage. If electrical tests fail or the pump pulls no water, it must be pulled for inspection.
Following are the major reasons for pump failure:
Detecting Early Signs of Pump Failure
You should expect strong water pressure in your showers and faucets in that range when using properly-sized residential water pumps. Any lower than 40PSI and some shower heads won't operate very well. Any higher than 60PSI -70PSI and you'll have to be careful not to burst any pipes that aren't rated for high pressure.
What is Average? The water industry estimates that an average person uses 3,000 gallons of water monthly, so a family of 4 would use 12,000 gallons for bathing, cooking, washing, recreation and watering. But a lot of factors come into play when calculating average use.
The average household requires a water flow rate of 6 to 12 gallons per minute (GPM) to comfortably run daily activities like showering, cooking, and laundry without experiencing noticeable drops in water pressure.