Septic tank pumping

How often a tank needs pumping depends on its size, the household and what goes down the drains; the levels found at each visit guide the next interval.

What this covers

Pumping out the tank, checking baffles and the effluent filter, and noting sludge and scum levels.

Do this first

• Cut water use: spread out laundry, showers and the dishwasher.
• Keep people, pets and vehicles off wet spots and away from any sewage.
• Never enter or lean into a septic tank: the gases inside can be deadly.
• Note when the tank was last pumped and where the lids are, if you know.