Is an Onsite Wastewater Treatment System (OWTS) a “septic” system?

A septic system was the primary system used for years to treat sanitary sewage. In the past 30-40 years, many new options for treatment of sewage were developed and allow for systems to be located in difficult areas and smaller locations. Septic systems are a type of OWTS, but they are no longer used.

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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?