Colorado Well Drilling Cost 2026: $10,500 Avg + $28-$65/ft

Bottom line: Water well drilling in Colorado costs $28–$65 per foot in 2026, with the average residential project running $10,500 complete. Colorado’s typical well depth is 250 feet (range: 50–700 ft), and the primary aquifer is the Denver Basin Aquifer System / Ogallala (High Plains) Aquifer.

This guide covers 2026 Colorado well drilling pricing — by depth, region, and project scope — plus the geology, permit rules, licensing requirements, and seasonal considerations that affect every Colorado well project.

Colorado Well Drilling Cost at a Glance

Cost Factor	Colorado 2026
Average total project cost	$10,500
Cost per foot (drilling only)	$28–$65
Average residential well depth	250 feet
Typical depth range	50–700 ft
Primary aquifer	Denver Basin Aquifer System / Ogallala (High Plains) Aquifer
Water table depth	50-400 feet along the Front Range; 100-500 feet on the Eastern Plains; highly variable in mountain regions
Permit cost range	$200-$600
Best drilling months	April through October in most areas

Cost by Well Depth in Colorado

These ranges use Colorado’s typical per-foot cost ($28–$65, average $42) plus standard pump/casing/electrical hookup ($2,500–$5,000). Final cost depends on geology, water yield, and pump sizing.

Well Depth	Colorado Drilling Cost	Complete System
100 ft (shallow)	$2,800–$6,500	$5,300–$11,500
250 ft (typical)	$7,000–$16,250	$9,500–$21,250
300 ft (moderate)	$8,400–$19,500	$10,900–$24,500
500 ft (deep)	$14,000–$32,500	$16,500–$37,500

For a complete national breakdown, see our well drilling cost per foot guide or the main well drilling cost guide.

Colorado Geology and Drilling Conditions

Colorado’s Front Range sits atop the Denver Basin aquifer system with interbedded sandstone and shale layers. The Eastern Plains overlie the Ogallala Formation’s sand and gravel, while the Western Slope taps fractured crystalline rock and sedimentary formations.

The Denver Basin Aquifer System / Ogallala (High Plains) Aquifer is Colorado’s primary source of residential well water. Water table depth ranges from 50-400 feet along the Front Range; 100-500 feet on the Eastern Plains; highly variable in mountain regions, which directly affects how deep your well must be drilled. Wells targeting deeper aquifers cost proportionally more — both for the additional drilling time and for heavier-duty pumps required to lift water from greater depths.

Common Water Quality Issues in Colorado

Colorado well water frequently contains: uranium, radon, arsenic, iron, manganese, and selenium.

These contaminants don’t always make water unsafe — many are aesthetic (iron staining, hardness) rather than health concerns — but they affect treatment system requirements:

• Iron and manganese are the most common nuisance contaminants. Treatment: oxidation filter or water softener with iron-removing resin ($800–$2,500 installed).
• Hardness (calcium, magnesium) requires a water softener ($800–$2,500 for whole-house systems). See our water softeners guide.
• Hydrogen sulfide (“rotten egg” smell) is treated with aeration or chlorination ($500–$2,000).
• Bacteria (coliform, E. coli) require shock chlorination plus UV disinfection or chlorination injection ($500–$1,500).
• Arsenic, uranium, radon are health-critical contaminants requiring specific treatment systems and ongoing testing.

Always test new wells for the full panel before connecting to your home’s plumbing. See our well water test kits guide for testing options.

What’s Included in a Colorado Well Drilling Quote

A typical Colorado well drilling quote covers:

• Drilling and casing — the well bore (steel or PVC casing)
• Well screen — filters out sand and sediment at the water-bearing zone
• Grout seal — cement seal around the casing to prevent surface contamination
• Development — flushing to maximize water yield
• Well cap — sanitary seal at the top

Not typically included (budget separately):

Additional Cost	Price Range
Submersible pump + installation	$1,000–$3,500
Pressure tank	$300–$1,500
Electrical hookup	$500–$1,500
Water line to house	$500–$3,000
Water testing (full panel)	$200–$500
Treatment system (if needed)	$500–$5,000

A complete Colorado well system with pump, pressure tank, and connections typically runs $13,000–$48,000 for average depths.

Permits and Licensing in Colorado

Permitting: Well drilling permits in Colorado are administered by Colorado Division of Water Resources (State Engineer’s Office); every well requires a permit before drilling. Permit costs run $200-$600 depending on county and well type.

Licensing: Colorado requires all water well contractors to be licensed by the State Board of Examiners of Water Well Construction and Pump Installation Contractors. No homeowner exemption exists.

Water rights: Colorado follows the Prior Appropriation; Colorado is the strictest Prior Appropriation state — all groundwater use requires a decree or permit, and exempt well status has been significantly restricted doctrine for groundwater. Understand the rules before drilling — exempt wells (typically domestic under a stated GPM threshold) often have simpler permitting, while higher-yield or commercial wells require full appropriation procedures.

Best Time to Drill in Colorado

April through October in most areas; mountain locations limited to June through September

Driller schedules typically fill 4–8 weeks in advance, especially in peak season. Book early if your timing is flexible. Off-season drilling (where climate allows) sometimes captures 5–15% labor savings.

How Many Colorado Households Use Well Water

Approximately 18% of Colorado households rely on domestic wells, primarily in unincorporated areas along the Front Range and in mountain communities

This concentration directly affects driller availability — counties with high private-well density (typically rural areas, certain river basins, mountain regions) have more drillers competing for work and more competitive pricing. Metro areas with mostly municipal water often see fewer drillers and higher per-foot rates.

Top Cities for Well Drilling in Colorado

The largest residential well drilling markets in Colorado include Denver, Colorado Springs, Fort Collins, Boulder, and Grand Junction. Pricing varies more by sub-region (driven by geology and well-density) than by metro area in Colorado. For driller listings by city, browse our Colorado well driller directory.

How to Save Money on a Colorado Well

1. Get at least 3 quotes. Per-foot rates vary 20–40% between drillers for the same well. Request 3 free quotes from licensed Colorado drillers.
2. Check with neighbors first. Nearby wells give you a realistic depth estimate — the biggest cost driver. Drillers in Colorado typically have permit records you can search to find depth data near your property.
3. Ask about depth guarantees. Some Colorado drillers cap their quote at an agreed depth — if they hit water shallower, you save; if they drill deeper, they absorb the cost.
4. Bundle the work. Hiring one company for drilling + pump + electrical hookup typically saves $500–$1,500 vs separate contractors.
5. Don’t skimp on the pump. A properly sized submersible pump costs more upfront but lasts 12–20 years vs 5–8 years for budget pumps in Colorado’s typical depth range. See our submersible pumps guide.

Frequently Asked Questions

How much does a well cost in Colorado?

The average Colorado residential well costs $10,500 complete with pump and connection. Drilling alone runs $28–$65 per foot. A typical 250-foot well costs $7,000–$16,250 for drilling, plus $2,500–$5,000 for pump and hookup.

How deep are wells in Colorado?

The average residential well depth in Colorado is 250 feet, with most wells ranging from 50–700 feet depending on geology and target aquifer. Wells in the Denver Basin Aquifer System typically hit water sooner; deeper aquifers require correspondingly longer drilling.

Do I need a permit to drill a well in Colorado?

Yes — Colorado Division of Water Resources (State Engineer’s Office); every well requires a permit before drilling regulates well drilling in Colorado, with permits costing $200-$600. Some exempt wells (typically domestic use under a stated GPM threshold) have simpler procedures, but most residential wells require full permits before drilling can begin.

Can I drill my own well in Colorado?

Colorado requires all water well contractors to be licensed by the State Board of Examiners of Water Well Construction and Pump Installation Contractors.

How long does it take to drill a well in Colorado?

Most residential wells in Colorado are completed in 1–3 days of actual drilling. Including pump installation, electrical, and plumbing, plan on 1–2 weeks for the full project. Permit approval typically adds 2–6 weeks before drilling can start.

Is Colorado well water safe to drink?

Colorado well water is generally safe when properly tested and treated for the local quality issues (uranium, radon, arsenic, iron, manganese, and selenium). Private well owners are responsible for testing — there’s no government oversight like there is for municipal water. Test annually for bacteria and nitrates; do a full chemical panel every 3–5 years and immediately after any nearby construction or land use change.

How long do wells last in Colorado?

Properly drilled and maintained wells in Colorado typically last 30–50 years for the well bore itself. The pump is the most common component to fail — premium submersibles last 12–20 years; budget pumps 5–10. Pressure tanks last 8–15 years. Routine pump and pressure tank replacements add up to a fraction of the original drilling cost over the well’s life.

Get a Colorado Well Drilling Quote

The fastest way to know your actual cost is to get quotes from licensed Colorado drillers familiar with your specific area’s geology. Request 3 free estimates.

For more on related topics, see our main well drilling cost guide, well pump costs, or browse Colorado well drillers.