Recent content by imported_Fredster

I can't cite any particular scientific studies, only experience. And that experience has shown that the great number of variables will determine the life expectancy of the system. An old couple lives in a house for 24 years... with absolutely no septic problems or pumping. The old man dies and...

As Anthrax101 pointed out, for a sysytem to work nearly forever, certain maintenance is required. Older septic systems didn't even have a "septic tank". they were only a leaching pit where all solids and liquid would be sent to by gravity. If the pit failed, then the owner just added another pit...