Septic system requirements in Florida
What landplan.io applies when it designs a septic system in Florida: the system types allowed, tank sizes, setbacks and soil loading rates, with what septic products cost there.
Updated
Design a septic system for an address in Florida
Reviewed landplan.io designs by Florida's own rules, which our staff reviewed against the state's regulations. Last published 5 October 2026.
Septic systems allowed in Florida
The system types landplan.io permits in Florida:
- Gravity Bed Distribution System
- Mound Soil Absorption System
- Pressurized Subsurface Absorption Field
- Aggregate and Chamber Absorption Field
- Pressure Distribution Using Emitters
- Bed Distribution System with Pressure Laterals
- Infiltrator Advanced Treatment Leachfield (ATL)
- Infiltrator Advanced Enviro-Septic® (AES)
- Discharging System
Septic tank size in Florida
The daily design flow of a home: 150 gal/day per bedroom, at least 240 gal/day. The septic tank is sized from that 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 Florida
| From | To | Distance |
|---|---|---|
| Polygon | Existing Septic Component to be Abandoned | 5 ft |
These are the values the landplan.io design engine applies in Florida. Confirm a design with the Florida health department or your county's before you build.
Parcel data in Florida
landplan.io has parcel boundaries for 67 of Florida's 67 counties: the counties where 100% of the state's people live. Type an address there and the design starts from the parcel.
Septic companies, designers and jobs in Florida
- Septic companies and distributors in Florida (81)
- Septic designers in Florida
- Septic design jobs in Florida
Where the rules come from
The regulations and documents landplan.io's Florida rules are read from:
Septic rules by county in Florida
- Alachua County
- Baker County
- Bay County
- Bradford County
- Brevard County
- Broward County
- Calhoun County
- Charlotte County
- Citrus County
- Clay County
- Collier County
- Columbia County
- Desoto County
- Dixie County
- Duval County
- Escambia County
- Flagler County
- Franklin County
- Gadsden County
- Gilchrist County
- Glades County
- Gulf County
- Hamilton County
- Hardee County
- Hendry County
- Hernando County
- Highlands County
- Hillsborough County
- Holmes County
- Indian river County
- Jackson County
- Jefferson County
- Lafayette County
- Lake County
- Lee County
- Leon County
- Levy County
- Liberty County
- Madison County
- Manatee County
- Marion County
- Martin County
- Miami-dade County
- Monroe County
- Nassau County
- Okaloosa County
- Okeechobee County
- Orange County
- Osceola County
- Palm beach County
- Pasco County
- Pinellas County
- Polk County
- Putnam County
- Santa rosa County
- Sarasota County
- Seminole County
- St johns County
- St. Lucie County
- Sumter County
- Suwannee County
- Taylor County
- Union County
- Volusia County
- Wakulla County
- Walton County
- Washington County
Questions
What septic systems are allowed in Florida?
landplan.io permits these system types in Florida: Gravity Bed Distribution System, Mound Soil Absorption System, Pressurized Subsurface Absorption Field, Aggregate and Chamber Absorption Field, Pressure Distribution Using Emitters, Bed Distribution System with Pressure Laterals, Infiltrator Advanced Treatment Leachfield (ATL), Infiltrator Advanced Enviro-Septic® (AES) and Discharging System.
What size septic tank do I need in Florida?
landplan.io sizes the septic tank in Florida 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 150 gal/day per bedroom, at least 240 gal/day.
Does landplan.io have parcel data in Florida?
Yes, for 67 of Florida's 67 counties.