Septic system requirements in St Charles County, Missouri
The septic rules landplan.io applies in St Charles County, what a septic tank costs there, and the parcel data we hold.
Updated
Design a septic system for an address in St Charles County
Missouri's state rules apply in St Charles County: landplan.io has no county rules of its own here. State rules: Reviewed See Missouri's rules
Septic systems allowed in St Charles County
The system types landplan.io permits in St Charles County:
- Conventional Trench System
- Drip Dispersal System
- Low Pressure Distribution
- Surface Discharging System
Septic tank size in St Charles 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 St Charles County
| From | To | Distance |
|---|---|---|
| Polygon | Existing Septic Component to be Abandoned | 5 ft |
These are the values the landplan.io design engine applies in St Charles County. Confirm a design with the Missouri health department or your county's before you build.
Parcel data in St Charles County
landplan.io has parcel boundaries for St Charles County (99.4% of its area): type an address and the design starts from the parcel.
Septic companies, designers and jobs in Missouri
- Septic companies and distributors in Missouri
- Septic designers in Missouri
- Septic design jobs in Missouri
Where the rules come from
The regulations and documents landplan.io's St Charles County, Missouri rules are read from:
- Minimum Construction Standards for On-Site Sewage Disposal Systems (19 CSR 20-3.060)
- 19 CSR 20-3.060 (1)(D) Table 1 - Minimum Set-Back Distances (transcribed from the Code of State Regulations image) (19 CSR 20-3.060(1)(D) Table 1)
Near St Charles County
- St Louis County
- Lincoln County
- Warren County
- Franklin County
- Jefferson County
- Montgomery County
- Pike County
- Gasconade County
- All of Missouri
Questions
What septic systems are allowed in St Charles County?
landplan.io designs by Missouri's state rules there and permits: Conventional Trench System, Drip Dispersal System, Low Pressure Distribution and Surface Discharging System.
What size septic tank do I need in St Charles County?
landplan.io sizes the septic tank in St Charles 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.
Does landplan.io have parcel data for St Charles County, Missouri?
Yes: parcel boundaries cover St Charles County (99.4% of its area).