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Well Drilling Cost Calculator

Build a well-drilling planning scenario from entered drilling depth and rate, access, casing, pump or pressure equipment, electrical or plumbing, testing or permit allowances, and available geographic factors. It does not determine whether a site can produce safe or adequate water.

Reviewed 2026-08-24

Methodology and sources

The result is derived from entered drilling depth and rate, access, casing length and rate, pump or pressure equipment, electrical or plumbing, and testing or permit allowances. Every monetary basis is a user-entered planning assumption, and the model does not infer groundwater conditions.

Planning answer

This page answers what the entered inputs produce under the calculator's documented assumptions. It does not answer what a local provider will charge, approve, diagnose, finance, or guarantee.

Use the result to compare like-for-like scenarios, then replace placeholders with current project records, bids, supplier quotes, authority requirements, or qualified professional review before acting.

Formula in plain English

The calculator adds planned drilling depth times entered drilling rate, access factor, and labor factor; casing length times entered casing rate and material factor; the pump or pressure allowance with the material factor; the electrical or plumbing allowance with the labor factor; and the testing or permit allowance with the permit factor.

Visible assumptions

  • Planned drilling depth and casing length are separate inputs that must come from the same documented site and well-design assumptions.
  • All rates and allowances are visible user inputs whose safe monetary default is zero.
  • The access selection is an illustrative drilling-effort factor and does not represent geology, yield, depth uncertainty, or a contractor surcharge.
  • Pump, pressure, electrical, plumbing, testing, permitting, and restoration scope must be documented rather than inferred from depth alone.

Worked example

Example entered-scope well scenario

  • 200 planned drilling ft at an entered $20 per foot with open access
  • 100 casing ft at an entered $10 per foot
  • $1,000 pump or pressure-system allowance
  • $500 electrical or plumbing allowance and $500 testing or permit allowance
  • neutral labor, material, and permit factors of 1.00

Drilling = 200 x $20 x 1.00 = $4,000. Casing = 100 x $10 = $1,000. Total = $4,000 + $1,000 + $1,000 + $500 + $500 = $7,000; the displayed range is 90% to 110% of that total.

The modeled planning total is $7,000, with a $6,300 to $7,700 planning range and a central value of $35 per planned drilling foot.

Limitations

  • The model does not locate groundwater, predict final depth or yield, assess geology, design a well, evaluate water quality, or verify construction requirements.
  • EPA and USGS sources support well-owner responsibility, groundwater variability, and well-component context only; they do not validate quantities or amounts.
  • The output is not a drilling proposal, safe-water determination, permit approval, well log, engineering design, or yield guarantee.

Practical next steps

  1. Check applicable state, tribal, territorial, and local siting, construction, setback, permit, testing, logging, and reporting requirements.
  2. Obtain a documented design that separates drilling, casing, completion, pump, pressure, electrical, plumbing, testing, and restoration components.
  3. Compare proposals using the same depth, access, equipment, testing, and contingency assumptions while recognizing that final conditions can differ.

Source records

Private Drinking Water Wells

Publisher
U.S. Environmental Protection Agency
Dates
Source dated 2026-06-03; retrieved 2026-08-24
Supports
Private-well owner-responsibility and regulatory context, including the need to protect household drinking water and check applicable programs.
Not price evidence
Does not support a drilling depth, well design, water-quality result, equipment choice, contractor amount, or project price.

Groundwater Wells

Publisher
U.S. Geological Survey
Dates
Source dated 2018-06-06; retrieved 2026-08-24
Supports
General groundwater-depth variability and well-component context, including drilling methods, casing, screens, adapters, and pumps.
Not price evidence
Does not support groundwater availability at a site, final drilling depth, yield, casing length, equipment amount, or project price.

Well Drilling Cost Calculator FAQs

A reliable project estimate depends on the scope and units you enter. A canned national range is withheld until a reviewed source matches this calculator's exact project type, unit, geography, and evidence date.
Use the result to compare input scenarios and prepare a budget. Confirm quantities, site conditions, included work, permits, and final pricing with itemized quotes from qualified local professionals.
Local labor availability, materials, access, project complexity, code requirements, permits, and contractor scope can change the final price. The calculator result is a planning estimate, not a contractor offer or guaranteed quote.

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Enter Your Details

Fill in the form to get your estimate

Enter a documented target depth. The calculator does not locate groundwater or predict final depth, yield, or geology.

Enter a documented drilling amount per foot for the defined method and subsurface assumptions. Access and an available labor index are applied.

Enter casing length from the documented well design. It does not have to equal total drilling depth.

Enter a documented casing and related material amount per foot. An available material index is applied.

Enter documented pump, tank, controls, adapter, and related equipment amounts in scope. An available material index is applied.

Enter documented power, controls, trenching, piping, connection, and commissioning labor amounts. An available labor index is applied.

Enter documented well logging, yield or water testing, permit, inspection, or reporting amounts. An available permit index is applied.

Visible drilling-effort factor for equipment and work-area access; it is not a supplied contractor surcharge.

Used only when applicable geographic factors are available. Well construction, setbacks, testing, permits, and reporting requirements must be verified separately.

We recommend consulting with licensed professionals in your area for accurate quotes tailored to your specific needs.

Past results do not guarantee future outcomes. Individual results may vary significantly.

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