Septic System Educational Material
How a septic system works: https://www.gbra.org/presentations/septic/index.html
Septic Systems 101: https://portal.ct.gov/-/media/Departments-and-Agencies/DPH/dph/environmental_health/environmental_engineering/pdf/SepticSystems101pdf.pdf
Sewage Backup Factsheet: https://portal.ct.gov/-/media/Departments-and-Agencies/DPH/dph/environmental_health/environmental_engineering/docs/SewageBackupFactSheetpdf.pdf