Cost by State

Well Drilling Cost in Tennessee

Tennessee sits across several distinct geological zones — the Blue Ridge in the east, the Valley and Ridge limestone belt, the Cumberland Plateau, and the West Tennessee Coastal Plain. Each has different drilling costs.

Average Total Cost

$7,000 – $16,000

Cost Per Foot

$22 – $55

Average Depth

150 – 400 ft

Regulator

TN TDEC

TN Well Cost by Region

East Tennessee (Knoxville area, Valley and Ridge): Limestone and dolomite aquifers, 100–250 feet deep, $25–$45/ft. Middle Tennessee (Nashville area): Limestone karst, 150–300 feet, $28–$50/ft. West Tennessee (Memphis area): Thick sand aquifer, very productive at 100–200 feet, $20–$35/ft. Cumberland Plateau: Sandstone, 200–400 feet, $30–$55/ft.

Tennessee TDEC Regulations

Tennessee wells are regulated by TDEC Division of Water Resources. A permit is required before drilling. Drillers must be licensed. A completion report must be filed within 30 days. Minimum 50-foot setback from any septic system.

Common Questions

Most Tennessee residential wells cost $7,000–$16,000 installed. West Tennessee wells near Memphis are less expensive due to the productive Memphis Sand aquifer. East Tennessee and plateau wells run higher.

Yes. A permit from TDEC is required before drilling begins. Your licensed driller handles the application. Fee is typically $50–$150.