How do you determine the gallons per day of treatment?

St. Charles County utilizes the State of Missouri Department of Health and Senior Services “Green Book” for determining flow rates for sewage (specifically Table 4).

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1. Is an Onsite Wastewater Treatment System (OWTS) a “septic” system?
2. When is a permit required for an OWTS in St. Charles County?
3. How do you determine the gallons per day of treatment?
4. Can I install a lagoon?
5. Can I discharge sewage to a ditch or other location?
6. Can I install a Low-Pressure Pipe (LPP) system?
7. Can I install my own OWTS?
8. Who can design the Onsite Wastewater Treatment System (OWTS)?
9. How much property is required to install an Onsite Wastewater Treatment System (OWTS) (often referred to as a “septic” system)?
10. Can I use a septic system (actually, an Onsite Wastewater Treatment System) to service my property?