Septic system requirements in Leon County, Texas
The septic rules landplan.io applies in Leon County, what a septic tank costs there, and the parcel data we hold.
Updated
Design a septic system for an address in Leon County
Texas's state rules apply in Leon County: landplan.io has no county rules of its own here. State rules: Reviewed See Texas's rules
Septic systems allowed in Leon County
The system types landplan.io permits in Leon County:
- Absorptive Drainfields
- ET Drainfields
- Low Pressure-dosed Drainfields
- Drip Irrigation
- Mound
- Surface application disposal
- Soil Substitution System
Septic tank size in Leon County
The daily design flow of a home: 75 gal/day per bedroom, at least 225 gal/day. The septic tank is sized from that flow:
| Daily design flow | Minimum tank |
|---|---|
| up to 250 gal/day | 750 gallons |
| 250 to 350 gal/day | 1,000 gallons |
| 350 to 500 gal/day | 1,250 gallons |
Septic setbacks in Leon County
| From | To | Distance |
|---|---|---|
| LineString | Private water line | 10 Ft |
| LineString | Streams, Lakes, Creeks | 50 Ft |
| Point | Public water wells | 50 Ft |
| Point | Wells and underground cisterns | 100 Ft |
| Polygon | Existing Septic Component to be Abandoned | 5 ft |
| Polygon | Lakes, Pond, or Retention Basin | 50 Ft |
| Polygon | Swimming Pools | 5 Ft |
| Polygon | Underground Easements | 1 Ft |
Soil loading rates in Leon County
| Table | Lowest | Highest | Soil groups |
|---|---|---|---|
| Soil Loading Rate | 0.1 gal/day/ft² | 0.5 gal/day/ft² | 5 |
landplan.io picks the rate from the soil test: texture, structure and percolation.
These are the values the landplan.io design engine applies in Leon County. Confirm a design with the Texas health department or your county's before you build.
Parcel data in Leon County
landplan.io has parcel boundaries for Leon County (98.5% of its area): type an address and the design starts from the parcel.
Septic companies, designers and jobs in Texas
Where the rules come from
The regulations and documents landplan.io's Leon County, Texas rules are read from:
- Chapter 285 - On-Site Sewage Facilities (OSSF) (30 Tex. Admin. Code (TAC) Chapter 285)
- Chapter 285 - On-Site Sewage Facilities, as adopted June 14, 2023 (TCEQ clean copy, with the full Table X, 285.91(10)) (30 TAC 285.91(10), Table X)
- North Carolina State University Sea Grant College Publication UNC-SG-82-04 (285.33(d)(3))
Near Leon County
- Madison County
- Freestone County
- Houston County
- Robertson County
- Limestone County
- Anderson County
- Walker County
- Brazos County
- All of Texas
Questions
What septic systems are allowed in Leon County?
landplan.io designs by Texas's state rules there and permits: Absorptive Drainfields, ET Drainfields, Low Pressure-dosed Drainfields, Drip Irrigation, Mound, Surface application disposal and Soil Substitution System.
What size septic tank do I need in Leon County?
landplan.io sizes the septic tank in Leon County from the daily design flow: up to 250 gal/day: 750 gallons; 250 to 350 gal/day: 1,000 gallons; 350 to 500 gal/day: 1,250 gallons. A home's design flow is 75 gal/day per bedroom, at least 225 gal/day.
How far must a septic system be from a well in Leon County?
landplan.io keeps these distances in Leon County: Point to wells and underground cisterns: 100 Ft; Point to public water wells: 50 Ft.
Does landplan.io have parcel data for Leon County, Texas?
Yes: parcel boundaries cover Leon County (98.5% of its area).