Quick Comparison: Top 4 Submersible Well Pumps
| Pump | HP | Max Depth | Flow Rate | Price Range | |
|---|---|---|---|---|---|
| Grundfos SQ Series Our Pick for Most Wells | 0.5–1.5 HP | 400 ft | 5–20 GPM | $800–$1,500 | Check Price |
| Franklin Electric FPS Best Value | 0.5–2 HP | 500 ft | 5–25 GPM | $400–$900 | Check Price |
| Goulds GS Series Best for Deep Wells | 0.5–3 HP | 1,000 ft | 5–35 GPM | $600–$1,200 | Check Price |
| Wayne SWS Series Budget Pick | 0.5–1 HP | 200 ft | 5–12 GPM | $250–$500 | Check Price |
How We Chose These Pumps
We evaluated over 20 submersible well pumps and narrowed to these 4 based on five criteria:
- Reliability: Track record from plumbers and well contractors.
- Depth rating: Can it handle typical residential well depths?
- Flow rate: Will it keep up with a multi-bathroom home?
- Warranty: Does the manufacturer stand behind it?
- Parts availability: Can a local plumber get replacement parts quickly?[1]
We excluded pumps without published performance curves or those only available through specialty distributors.
Detailed Reviews
Grundfos SQ Series — Our Pick for Most Wells
The Grundfos SQ uses a permanent magnet motor with a soft-start feature[2]. It ramps up gradually instead of slamming on at full power. This reduces stress on the pump, pipes, and pressure tank.
It also has built-in overload protection and dry-run detection. If water level drops too low, the pump shuts off before it burns out.
Who this is for: Most residential wells under 400 feet. The soft-start motor extends pump and tank life.
Who should skip this: Wells deeper than 400 feet, or those needing 25+ GPM. The Grundfos maxes out earlier than some competitors.
Franklin Electric FPS Series — Best Value
Franklin Electric makes the motor in most well pumps sold in the U.S.[3]. Their FPS line uses that same motor in a complete pump package. Parts are available at nearly every well supply shop.
Who this is for: Budget-conscious homeowners who want a reliable, serviceable pump. Most plumbers know these pumps inside and out.
Who should skip this: If you want soft-start or energy-saving features, step up to the Grundfos.
Check price at Franklin Electric
Goulds GS Series — Best for Deep Wells
The Goulds GS series handles the deepest residential wells. With models rated to 1,000 feet and up to 3 HP, it powers through deep bedrock wells[4].
Stainless steel construction resists corrosion from minerals in deep-well water. Available in 4-inch and 6-inch casing sizes.
Who this is for: Deep wells (300+ feet), high-demand homes, or properties with irrigation needs.
Who should skip this: Shallow wells under 200 feet. You would overspend for capacity you do not need.
Wayne SWS Series — Budget Pick
The Wayne SWS is the most affordable submersible pump that still delivers decent performance. It is widely available at home improvement stores.
Who this is for: Shallow to moderate wells (under 200 feet), small households, and tight budgets.
Who should skip this: The 2-year warranty is half of the competition. If your well is deep, demands high flow, or you want long-term peace of mind, invest more.
What to Look for in a Well Pump
Match the pump to your well depth
Every pump has a maximum depth rating. Choose a pump rated for at least 50 feet deeper than your actual well depth. This provides a safety margin as water levels fluctuate[5].
Size the flow rate to your household
1–2 bathrooms: 5–10 GPM (gallons per minute). 3–4 bathrooms: 10–15 GPM. 5+ bathrooms or irrigation: 15–25+ GPM[6].
Choose the right horsepower
More HP pushes water from deeper and at higher flow rates. But oversizing causes short-cycling — the pump turns on and off too frequently. This shortens pump and pressure tank life.
Consider the motor type
Standard induction motors are affordable and reliable. Permanent magnet motors (like the Grundfos SQ) use less energy and start gently. The premium is $300–$600 but saves on electricity long-term.
Signs You Need a New Well Pump
- Air sputtering from faucets: The pump may be dropping below the water level.
- Sudden pressure drops: The pump cannot keep up with demand.
- Pump cycles on and off rapidly: Could be the pump or pressure tank.
- Higher electric bills: A failing pump draws more power.
- Pump is 10+ years old: Preventive replacement avoids emergency costs[1].
Read our 8 Signs Your Well Is Failing guide for more detail.
Frequently Asked Questions
How long does a well pump last?
8–15 years on average. Lifespan depends on water quality, duty cycle, and proper sizing[1]. Sand and sediment shorten pump life significantly.
How much does pump replacement cost?
Pump: $250–$1,500. Professional installation: $800–$2,500. Total: $1,050–$4,000. Deeper wells cost more because pulling the pump takes longer[5].
What size pump do I need?
Match HP and flow rate to your well depth and household size. 1-2 bathrooms: 0.5 HP, 5-10 GPM. 3-4 bathrooms: 0.75-1 HP, 10-15 GPM[6].
Can I install a well pump myself?
Submersible pump replacement is not a typical DIY job. It requires pulling 100+ pounds from the well, electrical wiring, and specialized tools. Most states require a licensed contractor.
References
- National Ground Water Association. "Private Well Owner's Guide: Well Pumps." 2024. https://www.ngwa.org
- Grundfos. "SQ/SQE Submersible Pumps: Technical Data." 2025. https://www.grundfos.com
- Franklin Electric. "FPS Submersible Pump Systems: Specifications." 2025. https://franklinwater.com
- Goulds Water Technology. "GS Series Submersible Pumps: Performance Data." 2025. https://www.xylem.com/en-us/brand/goulds-water-technology/
- Penn State Extension. "Water System Planning: Pumps for Private Wells." 2023.
- Virginia Cooperative Extension. "Selecting a Well Pump." Publication 442-670, 2022.