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Septic tanks don't require a lot of maintenance as long as you avoid flushing harmful chemicals and non-biodegradable items down the drain or toilet. However, you do need to ensure you are pumping the ...

A: Depending on the size of the family, every three to five years. Inspect the tank after five years, and once a year after that, and when solids and scum equal one third of the liquid depth, have the ...