Septic system requirements in Allen County, Kansas
The septic rules landplan.io applies in Allen County, what a septic tank costs there, and the parcel data we hold.
Updated
Design a septic system for an address in Allen County
Kansas's state rules apply in Allen County: landplan.io has no county rules of its own here. State rules: Reviewed See Kansas's rules
Septic systems allowed in Allen County
The system types landplan.io permits in Allen County:
- Mound System
- Conventional Trench System
- Subsurface Drip Dispersal (SDD) System
- Low Pressure Distribution
- In-Ground Bed
- In-Ground Bed Pressure Distribution
- At Grade Distribution
- Surface Discharging System
Septic tank size in Allen County
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 Allen County
| From | To | Distance |
|---|---|---|
| LineString | Private Water Line | 10 ft |
| LineString | Public Water Line | 25 ft |
| LineString | Watercourse (river, stream, etc) | 50 ft |
| Point | Public Well | 100 ft |
| Polygon | Building (foundation) | 20 ft |
| Polygon | Existing Septic Component to be Abandoned | 5 ft |
| Polygon | Surface Water | 50 ft |
Soil loading rates in Allen County
| Table | Lowest | Highest | Soil groups |
|---|---|---|---|
| Soil Loading Rate | 0.25 gal/day/ft² | 1.1 gal/day/ft² | 13 |
landplan.io picks the rate from the soil test: texture, structure and percolation.
These are the values the landplan.io design engine applies in Allen County. Confirm a design with the Kansas health department or your county's before you build.
Parcel data in Allen County
landplan.io has parcel boundaries for Allen County (100% of its area): type an address and the design starts from the parcel.
Septic companies, designers and jobs in Kansas
Where the rules come from
The regulations and documents landplan.io's Allen County, Kansas rules are read from:
- Sewage and Excreta Disposal (K.A.R. 28-5-1 to 28-5-9)
- Bulletin 4-2 (March 1997) - Minimum Standards for Design and Construction of Onsite Wastewater Systems (full bulletin with Table 5, separation distances) (KDHE Bulletin 4-2, Table 5)
- Bulletin 4-2: Minimum Standards for Design and Construction of Onsite Wastewater Systems (KDHE Bulletin 4-2 (incorporated by reference via K.A.R. 28-5 county sanitary code procedure))
Near Allen County
- Neosho County
- Anderson County
- Woodson County
- Bourbon County
- Wilson County
- Linn County
- Coffey County
- Crawford County
- All of Kansas
Questions
What septic systems are allowed in Allen County?
landplan.io designs by Kansas's state rules there and permits: Mound System, Conventional Trench System, Subsurface Drip Dispersal (SDD) System, Low Pressure Distribution, In-Ground Bed, In-Ground Bed Pressure Distribution, At Grade Distribution and Surface Discharging System.
What size septic tank do I need in Allen County?
landplan.io sizes the septic tank in Allen County 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.
How far must a septic system be from a well in Allen County?
landplan.io keeps these distances in Allen County: Point to public well: 100 ft.
Does landplan.io have parcel data for Allen County, Kansas?
Yes: parcel boundaries cover Allen County (100% of its area).