Well Pump Cost by Depth: How Deep Wells Drive Up the Price
Depth is the single biggest variable in well pump replacement cost. Every additional foot of well means more drop pipe, more wire, more labor time, and sometimes specialized equipment. This guide shows the dollar-per-foot math clearly, with full cost breakdowns at seven depth points from 50 to 500 feet.
Cost Per Additional 100 Feet of Depth
Drop pipe (poly)
$200 - $350
per 100 ft
Pump wire (10/3)
$150 - $250
per 100 ft
Labor (pull + install)
$200 - $400
per 100 ft
Boom truck rental
$200 - $400
above 250 ft
Cost by Depth: Full Breakdown Table
These figures assume a standard submersible pump replacement with new poly drop pipe and pump wire. Pump size increases with depth (1/2 HP at shallow depths, up to 1.5 HP at 400 to 500 ft). Emergency premium and pressure tank are excluded.
| Depth | Pump | Drop Pipe | Wire | Pull Labor | Install Labor | Total |
|---|---|---|---|---|---|---|
| 50 ft | $300 - $600 | $100 - $175 | $75 - $125 | $200 - $350 | $150 - $250 | $825 - $1,500 |
| 100 ft | $350 - $700 | $200 - $350 | $150 - $250 | $300 - $500 | $200 - $350 | $1,200 - $2,150 |
| 150 ft | $400 - $800 | $300 - $540 | $225 - $375 | $400 - $650 | $250 - $450 | $1,575 - $2,815 |
| 200 ft | $450 - $900 | $400 - $700 | $300 - $500 | $500 - $850 | $300 - $550 | $1,950 - $3,500 |
| 300 ft | $600 - $1,200 | $600 - $1,050 | $450 - $750 | $700 - $1,200 | $400 - $700 | $2,750 - $4,900 |
| 400 ft | $800 - $1,500 | $800 - $1,400 | $600 - $1,000 | $900 - $1,600 | $500 - $900 | $3,600 - $6,400 |
| 500 ft | $1,000 - $2,000 | $1,000 - $1,750 | $750 - $1,250 | $1,100 - $2,000 | $600 - $1,100 | $4,450 - $8,100 |
Excludes boom truck rental (add $200 to $400 for wells over 250 ft), pressure tank, pitless adapter, and permit fees.
Drop Pipe Material Comparison
Poly pipe (polyethylene)
$2.00 to $3.50 per foot
- Standard for new installations and replacements
- Lightweight, flexible, corrosion-proof
- Schedule 80 (1 inch) most common for residential
- Must be replaced with the pump on deep wells (seizes together)
- Suitable for all residential depths
Galvanized steel pipe
$4.00 to $10.00 per foot
- Legacy material; installed pre-1980 in most areas
- Heavy, prone to corrosion, difficult to remove when seized
- Often becomes the most expensive part of a pump pull in old wells
- Adds $400 to $1,200 to project if it must be drilled out
- Replacement always recommended with poly when pulling galvanized
Understanding Static Level vs Total Well Depth
Many homeowners confuse total well depth with pump setting depth. The difference matters when estimating replacement costs.
Total well depth
The full depth of the drilled borehole, from surface to bottom. This is on your well driller's log.
Static water level
Where water naturally sits in the casing when the pump is not running. May be 50 to 200 ft shallower than total depth.
Pump setting depth
Where the pump is actually set: 10 to 20 ft below the pumping level, which is 10 to 30 ft below the static level. This determines pipe and wire length.
Example: A well drilled to 400 feet may have a static water level of 120 feet and a pump set at 270 feet. The pipe and wire run is 270 feet, not 400 feet. Ask your contractor for the well driller's log before accepting an estimate.
Worked Example: 200-Foot Well Replacement
A 4-bedroom home in North Carolina with a 200-foot well, 3/4 HP Franklin Electric submersible, all-new poly drop pipe and wire:
Regional variation: this job would cost roughly $2,400 in rural NC (lower labor rates) or $3,100 in suburban mid-Atlantic (higher overhead). Pressure tank replacement would add $300 to $500 if needed.
DIY Feasibility by Depth
DIY possible
Under 50 ft (shallow jet)
Shallow jet pumps sit above ground; replacement is a realistic DIY project. The suction pipe is lightweight PVC. No specialized equipment needed. Tools: pipe wrenches, pliers, multimeter.
DIY possible with caution
50 to 150 ft (submersible)
A simple pump-puller tripod can pull a pump from up to 150 feet. Physical effort is significant. 240V wiring is a safety risk. A dropped pump can destroy the well. Strongly recommend reading our full DIY guide before attempting.
Hire a pro
150+ ft (deep submersible)
Beyond 150 feet, pulling a pump safely requires a boom truck or purpose-built pump hoist. The weight of 150+ feet of water-filled drop pipe and a submersible pump exceeds what a tripod or manual effort can safely manage. The safety and equipment costs outweigh the savings.
Frequently Asked Questions
How much does a 300-foot well pump cost to replace?
Why does well depth increase the cost so much?
What is the difference between static water level and well depth?
Pump Types
Which type for your depth
HP Sizing
HP needed by depth
DIY vs Pro
DIY feasibility guide
Regional Costs
Labor rates by area
If your well needs to be drilled deeper or a new well is required, see our complete guide at WellDrillingCost.com for drilling cost by depth and state.