Septic system requirements in Georgia

What landplan.io applies when it designs a septic system in Georgia: the system types allowed, tank sizes, setbacks and soil loading rates, with what septic products cost there.

Updated 5 October 2026

Design a septic system for an address in Georgia

Reviewed landplan.io designs by Georgia's own rules, which our staff reviewed against the state's regulations. Last published 5 October 2026.

7system types permitted

1,000 gallonssmallest septic tank

119septic companies located here

119 of 159counties with parcel data

Septic systems allowed in Georgia

The system types landplan.io permits in Georgia:

Wisconsin Mound Soil Absorption System
Pressurized Subsurface Absorption Field
Aggregate and Chamber Absorption Field
Pressure Distribution Using Emitters
Infiltrator Advanced Treatment Leachfield (ATL)
Infiltrator Advanced Enviro-Septic® (AES)
Discharging System

Septic tank size in Georgia

The daily design flow of a home: 120 gal/day per bedroom, at least 240 gal/day. The septic tank is sized from that flow:

Septic Tank: minimum size by daily design flow
Daily design flow	Minimum tank
up to 240 gal/day	1,000 gallons
240 to 360 gal/day	1,500 gallons
360 to 600 gal/day	2,000 gallons
600 to 720 gal/day	2,500 gallons
720 to 840 gal/day	2,750 gallons
840 to 920 gal/day	3,000 gallons
920 to 1,040 gal/day	3,250 gallons

Septic setbacks in Georgia

Minimum distances
From	To	Distance
Polygon	Existing Septic Component to be Abandoned	5 ft

These are the values the landplan.io design engine applies in Georgia. Confirm a design with the Georgia health department or your county's before you build.

Parcel data in Georgia

landplan.io has parcel boundaries for 119 of Georgia's 159 counties, and part of 2 more: the counties where 92.8% of the state's people live. Type an address there and the design starts from the parcel.

Septic companies, designers and jobs in Georgia

Where the rules come from

The regulations and documents landplan.io's Georgia rules are read from:

Septic rules by county in Georgia

Questions

What septic systems are allowed in Georgia?

landplan.io permits these system types in Georgia: Wisconsin Mound Soil Absorption System, Pressurized Subsurface Absorption Field, Aggregate and Chamber Absorption Field, Pressure Distribution Using Emitters, Infiltrator Advanced Treatment Leachfield (ATL), Infiltrator Advanced Enviro-Septic® (AES) and Discharging System.

What size septic tank do I need in Georgia?

landplan.io sizes the septic tank in Georgia from the daily design flow: up to 240 gal/day: 1,000 gallons; 240 to 360 gal/day: 1,500 gallons; 360 to 600 gal/day: 2,000 gallons; larger flows need larger tanks. A home's design flow is 120 gal/day per bedroom, at least 240 gal/day.

Does landplan.io have parcel data in Georgia?

Yes, for 119 of Georgia's 159 counties, and part of 2 more.