A-1 Septic Tank Service
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25
Chatham County, GA · Septic System Installation
Septic System Installation in Chatham County
A new or replacement system in Chatham 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 Chatham County
Local ground is the deciding factor in Chatham County: Shallow water tables and flooding force mounded systems, fill, or pump-dosed designs near the coast and in low-lying interior flats. And the rules here matter — coastal and floodplain lots commonly require elevated, mounded, or fill-based systems under county review, 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
13 septic system installation providers in Chatham County
License-verified contractors (active state license) are listed first.
B & H Construction LLC
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
Coastal Drainage
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
Gray Septic Solutions
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
J. H. Wilson Construction
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
Olde Savannah Septic Services LLC
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
Plomeria Industries LLC
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
Prime Waste LLC
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25
Reliable Septic
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
REP Holdings Inc. DBA Restroom Trailer Solutions
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25
Septic Works Of The Low Country
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
Southeastern Sanitation LLC
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25
W L Hall Co
Verified · GA DPHSavannah, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25
Septic System Installation in Chatham County — FAQ
What does a new septic system cost in Chatham 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 Chatham County are the biggest cost driver.
Do I need a permit to install a septic system in Chatham County?
Yes. Permits are issued by the Local authorized agent / county health department in Chatham County, under Georgia Department of Public Health (DPH), Environmental Health Section., 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.