4 Seasons Contracting
Verified · Lic. 18233Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Cumberland County, TN · Septic System Installation
Septic System Installation in Cumberland County
A new or replacement system in Cumberland County starts with a soil test and a permit — not a shovel.
Installing a septic system is the largest-ticket job a septic owner faces, and the design is dictated by your land: soil type, how fast it percolates, and how high the water table sits all decide what system you're allowed to build and what it costs.
Every legal install begins with a site evaluation and a county permit. The output of that evaluation — conventional drainfield, engineered mound, or an aerobic/nitrogen-reducing unit — is what drives the final price far more than the tank itself.
Local conditions in Cumberland County
Local ground is the deciding factor in Cumberland County: Effluent reaching bedrock fractures gets little filtration before entering the karst aquifer, so soil depth and sinkhole avoidance dominate permit approval And the rules here matter — sinkhole and karst-feature setbacks are strictly enforced; fields cannot discharge toward closed depressions, which can raise the cost of a new system considerably.
How a septic installation works
- Site & soil evaluation. A licensed evaluator or engineer tests percolation and locates the seasonal high water table to determine what the soil can handle.
- System design. The system is sized to your soil and the number of bedrooms, and the type is chosen — conventional, mound/filled, or aerobic.
- County permit. Plans are submitted to the county health department for an OSTDS construction permit before any work begins.
- Tank and drainfield install. The tank is set and the drainfield is built to spec, with fill brought in where the water table requires elevation.
- Final inspection. The county inspects the open system and signs off before it's covered and put into use.
What drives the cost
- System type — conventional vs. mound vs. aerobic/nitrogen-reducing
- Soil and water table (high water tables require expensive fill)
- Drainfield size, which scales with bedroom count
- Permit and engineering/site-evaluation fees
- Site access and how much excavation is needed
- Tank material and capacity
How to choose a pro
- Use a licensed Registered or Master Septic Tank Contractor
- Make sure they pull the county permit (never skip it)
- Insist the design matches your soil/site evaluation
- Get the warranty and final county approval in writing
30 septic system installation providers in Cumberland County
License-verified contractors (active state license) are listed first.
A-1 ADVANCED ENERGY SOLUTIONS
Verified · Lic. 11700Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
A. Goedeke Services
Verified · Lic. 18094Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
A&M Septic
Verified · Lic. 18237Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
AA Land Development
Verified · Lic. 14833Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Adriel
Verified · Lic. 14350Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
American Excavation, LLC
Verified · Lic. 14286Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Armes Excavating
Verified · Lic. 11566Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Asa Patton
Verified · Lic. 18025Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Atkins hauling and excavation
Verified · Lic. 19188Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Barnwell Excavating
Verified · Lic. 10121Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Bartley Excavating and Construction
Verified · Lic. 12613Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Beth Ellison
Verified · Lic. 18516Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
BFS LLC
Verified · Lic. 19397Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Bilbrey's Backhoe
Verified · Lic. 4135Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Billy Dunn
Verified · Lic. 13100Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Blackmon construction
Verified · Lic. 19467Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Blackwell Excavation Services, LLC
Verified · Lic. 18541Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
BMC Farms & Excavation
Verified · Lic. 17872Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Brett R Parman
Verified · Lic. 19612Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Bryant Reagan
Verified · Lic. 19269Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
bubba dumps septic & sewer works
Verified · Lic. 18039Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Bucks Plumbing & Sewer Service
Verified · Lic. 12323Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
C.R. Barger & Sons, Inc.
Verified · Lic. 19537Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
c.v. contractors
Verified · Lic. 10526Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Caleb keen
Verified · Lic. 19464Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Calhoun Excavating
Verified · Lic. 13341Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Cantrell Excavating LLC
Verified · Lic. 18821Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Cantrell’s Excavation, LLC
Verified · Lic. 18032Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Carson Lewis
Verified · Lic. 19247Crossville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Septic System Installation in Cumberland County — FAQ
What does a new septic system cost in Cumberland County?
Conventional systems commonly run from several thousand dollars to well over $10,000; mound and nitrogen-reducing systems cost more. Soil and water-table conditions in Cumberland County are the biggest cost driver.
Do I need a permit to install a septic system in Cumberland County?
Yes. Permits are issued by the Local authorized agent / county health department in Cumberland County, under Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources., and the system must pass inspection before use.
How long does an installation take?
Once permitted, the install itself is often 1–3 days, but evaluation and permitting can add weeks. Plan ahead.