3D Landworks/ Joshua Davis
Verified · Lic. 19312Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Sullivan County, TN · Septic Repair
Septic Repair in Sullivan County
Most septic problems in Sullivan County are far cheaper to repair early than to ignore.
Septic repair covers everything between a routine pump-out and a full system replacement: a failed pump, a cracked baffle, a broken or root-invaded pipe, or a drainfield that's starting to fail. Caught early, most are modest fixes.
The expensive end is the drainfield. The whole point of catching a repair early — odors, slow drains, a soggy yard — is to fix the system before the drainfield is damaged beyond rehabilitation.
Local conditions in Sullivan County
Sullivan County's ground shapes the failures we see: Steep slopes, shallow soils, and rock outcrops sharply limit conventional drainfields; mountain lots often need alternative systems or are unbuildable for septic Steep terrain causes effluent to surface or move laterally; karst valleys (Knox/Hamilton) carry the same fracture-flow contamination risk as Middle TN
How a repair visit works
- Diagnose the system. The tank is pumped and inspected; a camera or dye test may be used to find the failure.
- Pinpoint the failed part. Pump, baffle, filter, pipe, or drainfield — the specific component is identified before any quote.
- Repair vs. replace. You get an honest call on whether a targeted repair will hold or the component needs replacing.
- Permit if required. Drainfield and structural repairs typically need a county permit.
- Repair and verify. The fix is made and the system is tested to confirm normal flow.
What drives the cost
- Which component failed (a pump is far cheaper than a drainfield)
- Whether a permit is required
- Parts and pump horsepower
- Excavation and access
- How far the problem has progressed
How to choose a pro
- Use a licensed contractor who diagnoses before quoting
- Get an honest repair-vs-replace recommendation
- Make sure drainfield work is permitted
- Ask for the diagnosis in writing
30 septic repair providers in Sullivan County
License-verified contractors (active state license) are listed first.
4 Seasons Contracting
Verified · Lic. 18233Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
A & R Backhoe
Verified · Lic. 13062Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
A and P Excavating and Materials
Verified · Lic. 11723Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
A Plus Plumbing Inc
Verified · Lic. 146Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
A&B Kern Septic Service
Verified · Lic. 13733Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
A&S Sanitation, Inc
Verified · Lic. 155Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Pumper · TN TDEC · verified 2026-06-25
AA Land Development
Verified · Lic. 14833Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Action Excavating and Land Clearing
Verified · Lic. 19019Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Adriel
Verified · Lic. 14350Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
AKR Rice
Verified · Lic. 1080Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Alex gibson
Verified · Lic. 19576Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
All Out Hardscaping
Verified · Lic. 19246Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
All Season Lawn and More llc
Verified · Lic. 18122Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
All Seasons Lawncare & Landscaping
Verified · Lic. 13155Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Allen's excavating and construction
Verified · Lic. 10515Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Alpha Industries
Verified · Lic. 19433Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Appalachian Works
Verified · Lic. 19126Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Appetite For Construction
Verified · Lic. 18502Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Arc
Verified · Lic. 14064Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
AT Sitework, LLC
Verified · Lic. 14065Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Atkins hauling and excavation
Verified · Lic. 19188Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
B & R CONSTRUCTION
Verified · Lic. 10617Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
B&B Construction
Verified · Lic. 14346Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Baileys Land Service
Verified · Lic. 19018Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Barkley Lumber Company, INC.
Verified · Lic. 1609Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Barrett’s excavating
Verified · Lic. 19061Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Big Ben Enterprise LLC
Verified · Lic. 18403Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Billy Stout & Sons Excavating
Verified · Lic. 13509Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Blake Stout Construction
Verified · Lic. 10324Blountville, TN
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Installer · TN TDEC · verified 2026-06-25
Septic Repair in Sullivan County — FAQ
How much do septic repairs cost in Sullivan County?
It depends entirely on the part: a pump or baffle repair may run a few hundred dollars, while drainfield repairs reach into the thousands. Diagnosis comes first.
Can a failing drainfield be saved?
Sometimes — rest, jetting, or aeration can rehabilitate a field caught early. Once it's fully clogged, replacement is usually the only fix.
Is it a clog or a drainfield problem?
If a pump-out fixes it for months, it was likely a clog or full tank. If it backs up again within days, the drainfield is the suspect.