Tennessee Well Drilling Cost 2026: $8,880 Avg + $28-$58/ft

Bottom line: Water well drilling in Tennessee costs $28–$58 per foot in 2026, with the average residential project running $8,880 complete. Tennessee’s typical well depth is 222 feet (range: 60–500 ft), and the primary aquifer is the Mississippi Embayment Aquifer System (western TN) / Highland Rim Carbonate Aquifers / Crystalline Rock Aquifers (eastern TN).

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

Tennessee Well Drilling Cost at a Glance

Cost Factor	Tennessee 2026
Average total project cost	$8,880
Cost per foot (drilling only)	$28–$58
Average residential well depth	222 feet
Typical depth range	60–500 ft
Primary aquifer	Mississippi Embayment Aquifer System (western TN) / Highland Rim Carbonate Aquifers / Crystalline Rock Aquifers (eastern TN)
Water table depth	30-100 feet in west Tennessee; 80-300 feet in the Central Basin and Highland Rim; 100-500 feet in the eastern mountains
Permit cost range	$50-$200
Best drilling months	Year-round in the lowlands

Cost by Well Depth in Tennessee

These ranges use Tennessee’s typical per-foot cost ($28–$58, average $40) plus standard pump/casing/electrical hookup ($2,500–$5,000). Final cost depends on geology, water yield, and pump sizing.

Well Depth	Tennessee Drilling Cost	Complete System
100 ft (shallow)	$2,800–$5,800	$5,300–$10,800
222 ft (typical)	$6,216–$12,876	$8,716–$17,876
300 ft (moderate)	$8,400–$17,400	$10,900–$22,400
500 ft (deep)	$14,000–$29,000	$16,500–$34,000

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

Tennessee Geology and Drilling Conditions

Tennessee’s geology varies dramatically from the Unaka Mountains’ crystalline rock in the east to the Nashville Basin’s Ordovician limestone in the center and the Coastal Plain’s unconsolidated sand and gravel in the west. The Highland Rim surrounding Nashville has thick chert-bearing limestone that yields moderate well production.

The Mississippi Embayment Aquifer System (western TN) / Highland Rim Carbonate Aquifers / Crystalline Rock Aquifers (eastern TN) is Tennessee’s primary source of residential well water. Water table depth ranges from 30-100 feet in west Tennessee; 80-300 feet in the Central Basin and Highland Rim; 100-500 feet in the eastern mountains, 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 Tennessee

Tennessee well water frequently contains: iron, manganese, hardness, hydrogen sulfide in limestone, bacteria in karst areas, and radon in eastern crystalline rock.

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 Tennessee Well Drilling Quote

A typical Tennessee 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 Tennessee well system with pump, pressure tank, and connections typically runs $11,380–$31,500 for average depths.

Permits and Licensing in Tennessee

Permitting: Well drilling permits in Tennessee are administered by Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources. Permit costs run $50-$200 depending on county and well type.

Licensing: Tennessee requires water well drillers to be licensed by TDEC. Separate licenses exist for drilling, pump installation, and monitoring well construction. No homeowner exemption.

Water rights: Tennessee follows the Reasonable Use (with a registration requirement for withdrawals exceeding 10,000 gallons per day) 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 Tennessee

Year-round in the lowlands; March through November in the eastern mountains

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 Tennessee Households Use Well Water

About 20% of Tennessee households use private wells, with the highest rates in the rural Highland Rim and eastern mountain counties

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 Tennessee

The largest residential well drilling markets in Tennessee include Nashville, Memphis, Knoxville, Chattanooga, and Murfreesboro. Pricing varies more by sub-region (driven by geology and well-density) than by metro area in Tennessee. For driller listings by city, browse our Tennessee well driller directory.

How to Save Money on a Tennessee 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 Tennessee drillers.
2. Check with neighbors first. Nearby wells give you a realistic depth estimate — the biggest cost driver. Drillers in Tennessee typically have permit records you can search to find depth data near your property.
3. Ask about depth guarantees. Some Tennessee 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 Tennessee’s typical depth range. See our submersible pumps guide.

Frequently Asked Questions

How much does a well cost in Tennessee?

The average Tennessee residential well costs $8,880 complete with pump and connection. Drilling alone runs $28–$58 per foot. A typical 222-foot well costs $6,216–$12,876 for drilling, plus $2,500–$5,000 for pump and hookup.

How deep are wells in Tennessee?

The average residential well depth in Tennessee is 222 feet, with most wells ranging from 60–500 feet depending on geology and target aquifer. Wells in the Mississippi Embayment Aquifer System (western TN) typically hit water sooner; deeper aquifers require correspondingly longer drilling.

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

Yes — Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources regulates well drilling in Tennessee, with permits costing $50-$200. 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 Tennessee?

Tennessee requires water well drillers to be licensed by TDEC.

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

Most residential wells in Tennessee 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 Tennessee well water safe to drink?

Tennessee well water is generally safe when properly tested and treated for the local quality issues (iron, manganese, hardness, hydrogen sulfide in limestone, bacteria in karst areas, and radon in eastern crystalline rock). 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 Tennessee?

Properly drilled and maintained wells in Tennessee 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 Tennessee Well Drilling Quote

The fastest way to know your actual cost is to get quotes from licensed Tennessee 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 Tennessee well drillers.