Properly maintaining a septic system?

/ Properly maintaining a septic system? #21  
Nevada, Highbeam ... good info ... wished I had thought about that prior to covering. Thanks though, makes good sense.
Cheers!
 
/ Properly maintaining a septic system? #22  
I imagine frost heave will try and move a septic tank upwards as well if is empty, same as it would a buried fuel tank, etc.
 
 
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