Private water wells supply roughly 10 percent of Tennessee’s population with drinking and household water, according to the Tennessee Department of Environment and Conservation (TDEC). Rural properties across the eastern ridges, middle basin counties, and western lowlands rely on groundwater drawn through properly constructed boreholes, and the geology beneath each region shapes everything from drilling depth to long-term yield. East Tennessee’s folded limestone and dolomite formations, part of the Valley and Ridge Province, often require rotary or air-hammer techniques to penetrate bedrock that can exceed 300 feet before reaching a productive aquifer. Middle Tennessee sits on the Nashville Basin’s Ordovician limestone, where karst features such as sinkholes and underground streams complicate well siting but can also produce high-yield water sources when drilled by an experienced contractor. West Tennessee’s Coastal Plain sediments, including the Memphis Sand aquifer, generally allow shallower completions with sand-screen installations.
Tennessee’s Water Well Act of 1963 (TCA Section 69-10-101 et seq.) established a licensing framework that remains the backbone of the industry. TDEC’s Division of Water Resources issues four categories of driller licenses: water well (W), geothermal borehole (G), monitoring well (M), and well closure (WC). Pump installers and water treatment device installers carry separate licenses. Each license expires on July 31 and requires five continuing education credit hours for annual renewal. Before a single bit turns at any drill site, the licensed driller must file a Notice of Intent with the Division of Water Resources, accompanied by a $75 fee per property site. After completion, the driller submits a Water Well Driller’s Report (Form CN-0825) within 60 days, documenting construction details, well depth, casing specifications, and yield data.
Construction standards under Rule 0400-45-09 mandate minimum setback distances from contamination sources: 200 feet from sewage lagoons, 100 feet from animal confinement lots, 75 feet from pit privies, and 50 feet from septic tank systems. New wells must sit at least 10 feet from any property line, with additional casing requirements for wells placed between 10 and 25 feet of a boundary. Watertight casing must extend a minimum of two feet above the 100-year flood elevation in flood-prone areas. These protections matter because Tennessee has extensive karst topography, particularly in the middle and eastern portions of the state, where surface contaminants can travel rapidly through fractured rock into groundwater supplies.
A complete private well system in Tennessee typically costs between $4,000 and $15,000 depending on depth, geological conditions, pump selection, and any water treatment equipment. Property owners planning a new well should obtain quotes from at least two or three licensed drillers and confirm each contractor’s current TDEC license number. The Board of Ground Water Management maintains oversight authority and can revoke, suspend, or deny licenses for violations of state statutes or departmental regulations. Verifying a driller’s license status through TDEC before signing a contract is a straightforward step that protects both the property and the investment.
Top Well Drilling Contractor Providers in Tennessee
1. Henry Drilling
- Address: 1401 Adams St, Franklin, TN 37064
- Phone: (615) 794-1784
- Website: https://henrydrillingandpump.com
- Rating: 4.6/5 (36 reviews)
- Services: Water well drilling, geothermal energy installation, pump installation and service, water filtration and treatment, pond aeration, irrigation systems
- Description: Henry Drilling is a family-owned company founded in 1945 and headquartered in Franklin. The firm serves residential, commercial, and government clients across Middle Tennessee, including Williamson, Davidson, Wilson, Sumner, Rutherford, and several surrounding counties.
2. B&R Drilling and Pump
- Address: 1148 Topside Rd, Louisville, TN 37777
- Phone: (865) 984-2961
- Website: https://brdrill.com
- Rating: 4.8/5 (148 reviews)
- Services: Water well drilling, pump installation and repair, pressure tank service, hand pump installation, irrigation well construction
- Description: B&R Drilling and Pump is a fourth-generation well drilling company operating from Louisville in Blount County. The business traces its roots to the McCall Well Drilling operation established in 1939, and it serves Knoxville, Maryville, Sevierville, Pigeon Forge, Lenoir City, Clinton, and surrounding East Tennessee communities.
3. Carter Services
- Address: 5305 Big Springs Rd, Lebanon, TN 37090
- Phone: (615) 484-0193
- Website: https://carterservicestn.com
- Rating: 4.9/5 (248 reviews)
- Services: Water well drilling, pump installation and maintenance, water testing and treatment, bulk water delivery, plumbing, electrical
- Description: Carter Services is a family-owned operation based in Lebanon that has served Middle Tennessee since 2017. Owner Jameson Carter brings second-generation drilling expertise to residential well construction, pump service, and water quality testing across Wilson County and neighboring areas.
Frequently Asked Questions About Well Drilling Contractors in Tennessee
Q: Do well drillers in Tennessee need a state license?
Yes. The Tennessee Water Well Act of 1963 (TCA Section 69-10-101 et seq.) requires any person who manages or supervises the drilling, redrilling, or closure of a water well to hold a license issued by TDEC’s Division of Water Resources. Separate licenses apply to pump installers and water treatment device installers. Licenses are issued to individuals rather than companies, and each licensed driller must carry a wallet-sized license card on site. Property owners can verify a driller’s active license status by contacting TDEC at 1-888-891-TDEC.
Q: How much does it cost to drill a well in Tennessee?
A complete private well system, including drilling, casing, pump installation, and pressure tank, typically ranges from $4,000 to $15,000 (DrillerDB, 2025). Costs vary by region because geological conditions differ significantly. East Tennessee’s bedrock formations often require deeper drilling and specialized equipment, while the Coastal Plain sediments in West Tennessee may allow shallower, less expensive completions. Factors such as well depth, pump type, and any water treatment equipment also affect the final price.
Q: What permits are required before drilling a water well in Tennessee?
Before drilling begins, the licensed driller must file a Notice of Intent with TDEC’s Division of Water Resources, accompanied by a $75 fee per property site (Rule 0400-45-09). The Notice of Intent is valid for 180 days from the filing date. Within 60 days of completing the well, the driller must submit a Water Well Driller’s Report (Form CN-0825) documenting construction details. Some local jurisdictions with private-act or home-rule authority may impose additional permitting requirements or fees.
Q: How deep are typical residential wells in Tennessee?
Depth varies widely depending on the geological province. In Middle Tennessee’s Nashville Basin, wells commonly reach 100 to 300 feet through Ordovician limestone. East Tennessee’s Valley and Ridge formations may require drilling 200 to 500 feet or more to reach a productive zone in folded sedimentary rock. Parts of the Highland Rim can produce water at shallower depths. A licensed driller familiar with local conditions can estimate probable depth based on nearby well completion records maintained by TDEC.
Q: Is Tennessee well water safe to drink?
Tennessee does not require private well owners to test their water, and the quality of water from private wells is unregulated (TDEC). TDEC’s Division of Water Resources recommends annual bacteriological testing and periodic testing for other parameters such as nitrates, hardness, iron, and pH. Areas with karst topography carry higher contamination risks because surface water can enter groundwater rapidly through sinkholes and fractured rock. Installing appropriate filtration or treatment equipment based on test results helps ensure safe household use.
Q: What setback distances apply to new wells in Tennessee?
Tennessee construction standards (Rule 0400-45-09) require new wells to maintain minimum distances from contamination sources: 200 feet from sewage lagoons, 100 feet from animal lots, 75 feet from pit privies, 50 feet from septic tank systems, and 10 feet from property lines and buildings. Wells placed 10 to 25 feet from a property line require at least 35 feet of casing below land surface with impervious backfill in the annular space. These setbacks protect the aquifer from surface contamination.